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Orchidaceae

Paphiopedilum dianthum Tang & F.T.Wang

Houphan Prov., Hem Distr., Nacoc village, Puphadeng mountain, around point 20°09'52.6''N 103°10'19.4''E. Primary and secondary broad-leaved evergreen open dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 1000-1200 m a.s.l. Lithophyte on mossy rocks and epiphyte on old trees on mountain top. Common.

LA-VN 1443 12 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF VIETNAM
Orchidaceae
Paphiopedilum dianthum

N. Vietnam, Ha Giang prov., Dong Van distr., Tu Tinh municipality (N 23°05′ E 105°15′), 40.7 km to 43° of Ha Giang city. Remnants of dry broadleaved evergreen forest on steep slopes and cliffs near the top of karst limestone isolated mesae at elev. 600-750 m a.s.l. Lithophyte forb on open mossy rocks and cliffs of N exposition. Flowers of typical coloration. Very rare.
NTH 3539 10 Oct. 1999
Collectors: N.T. Hiep, N.Q. Binh, L. Averyanov, P. Cribb.

Fam. Orchidaceae

Paphiopedilum dianthum

N. Vietnam, Ha Giang prov., Dong Van distr., Ta Phin municipality, vicinities of Sa Tung Chu village (N 23º11' E 105º17'), 51.5 km to 38º of Ha Giang city. Remnants of primary mossy mixed and coniferous forest with Pseudotsuga brevifolia on tops of remnant limestone karst ridge at elev. 1300 m a.s.l. Lithophytic forb on very steep mossy open rocky slopes and cliffs. Flowers of typical coloration. Not common.

No NTH 3364 06 Oct. 1999

Collectors: N.T. Hiep, N.Q. Binh, L. Averyanov, P. Cribb.

Orchidaceae

Thai Nguyen province, Dong Hy district, evergreen broad-leaved forest on rocky limestone at elev. 500-600 m a.s.l. Collected in June 2015 by Ngo Trung Kien. Flowered in May 2016 and 2017. Voucher herbarium sample collected from cultivated plant 2 May 2017 by Chu Xuan Canh and Nguyen Hoang Tuan, C.X.Canh 107 (LE).

d-EXSICCATES OF VIETNAMESE FLORA 0278/C.X.Canh 107 © L.Averyanov

Fl. et coll. in horto 18.04.1988

Orchidaceae

Paphiopedilum dianthum Tang et F.T.Wang

Vientiane Prov., Kasi Distr., Namken village, Phachao Mt., around point 19°18’45.5”N 102°22’31.4”E. Primary broad-leaved evergreen forest on very steep rocky slopes of remnant mountain composed with highly eroded solid crystalline limestone at elevations 1500-1750 m. Clustering lithophyte on mossy exposed rocks on mountain top. Very common.

LA-VN 781 24 March 2013

Coll.: L.Averyanov, N.S.Khang, S.Lorphengsy

FLORA OF VIETNAM
Orchidaceae
Paphiopedilum dianthum Tang & F.T.Wang

Son La Prov., Moc Chau Distr., Van Ho Municipality, Hua Tat village, around point 20°46′18″N 104°47′29″E. Broad-leaved evergreen forest with Pinus kwangtungensis and Podocarpus pilgeri on tops of ridge composed with rocky crystalline solid marble-like highly eroded limestone at elev. 1200-1350 m a.s.l. Lithophytic herb on open mossy rocks. Not common.
HAL 9328 28 Oct. 2006 Photo.
Coll.: Nguyen Tien Hiep, L.Averyanov, Pham Van The.

FLORA OF VIETNAM

Orchidaceae

Paphiopedilum daoense (Aver.) Aver. & O.Gruss⁣.

Northern Vietnam, sine loc.

Averyanov L., Maisak T., AL 313

17.10.2017

FLORA VIETNAMICA
Soviet – Vietnamese Expedition
LX-VN 3747
Orchidaceae

Paphiopedilum concolor (Batem.) Pfitz.

Vietnam. Prov. Hai Phong. Cat Hai, Cat Ba, Cai Lang Ha, 07.01.1988, L. Averyanov et al.

Det.: Averyanov L.

ORCHIDACEAE

Paphiopedilum dianthum T. Tang & F.T. Wang

Hoa Binh, Mai Chau District, Hang Kia Municipality; near Pa Co municipal buildings, trail west to one of tallest

peak in Pa Co; trail from building approx. 2 km, then up ridge. Collections from highly impacted forest close to

logging, all large valuable trees removed and no valuable orchids left. Forest on limestone between 20.45.37 N, 104.53.37 E, 1344m to peak at 20.45.41 N, 104.53.59 E at 1400m. Collected with N.T. Hiep, L.V. Averyanov, B. Hall, P.H. Hoang, N.Q. Hung and T.V. Thao. 20°45'37"N 104°53'37"E 1344 - 1400 m 20°45'41"N 104°53'59"E

Rare at site; sterile plants light green-yellow.

7 Dec 2002

D.K. Harder & et al. 7871

Supported by National Geographic Society

MISSOURI BOTANICAL GARDEN HERBARIUM (MO)

FLORA OF VIETNAM
Orchidaceae
Paphiopedilum dianthum Tang & F.T.Wang

Vietnam, Lam Dong Prov., Da Lat city. Wild collected plant, originated from Vietnam. Flowers olive-greenish.
HAL 8636 25 October 2005. Photo.
Coll. L.Averyanov, P.K.Loc.
Grant from Henry Luce Foundation.

FLORA OF VIETNAM

Fam. Orchidaceae

Paphiopedilum concolor (Bateman) Pfitzer

N. Vietnam, prov. Son La, distr. Moc Chau, municipality Chieng Hac, vicinities of Co Liu village (N 20º51' E 104º38'). Remnants of primary evergreen broadleaved forests on vertical limestone bluffs along Xap river canyon at 550-600 m elev. Lithophyte forb on shady vertical limestone cliffs of N exposition. Flowers dull yellow; tepals and lip inside with few sparsely purple smallest dots. Leaves pale green with fine white tessellation above, dirty purple-violet spotted below. Not rare on inaccessible vertical bluffs.

No NTH 2922 28 May 1999

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)

Collectors: N.T.Hiep, P.H.Hoang, Averyanov L.

FLORA OF VIETNAM
Orchidaceae
Paphiopedilum concolor (Bateman) Pfitzer

N. Vietnam, prov. Quang Ninh, distr. Hon Gai, Halong bay, Dan Go island. Secondary broadleaved evergreen forest on steep limestone slopes and vertical bluffs on elevations 0-100 m above s.l. Lithophyte forb on vertical shady cliffs of N exposition. Leaves fine light-green/whitish tessellated from above; light greenish, fine spotted with violet from below. Flowers fine apple-sweet smelled, sepals, petals and lip dull yellow, with numerous smallest purple marks. Not rare.
NTH 2631 12 May 1999
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)
Collectors: N.T.Hiep, Averyanov L.

Orchidaceae

Paphiopedilum dianthum Tang et F.T.Wang

Dien Bien Prov., Muong Cha Distr., Mua Ngai Municipality, around point 21°52’19”N 103°10’01”E. Remnants of primary evergreen broad-leaved forest on very steep rocky slopes and on tops of remnant mountain composed with highly eroded marble-like solid crystalline limestone at elevation 1150-1250 m a.s.l. Rosulate lithophytic herb on shady mossy rocky outcrops and on on vertical mossy cliffs. Not rare.

CPC 1087 18 December 2010 Photos

Coll.: L.Averyanov, P.K.Loc, P.V.The, N.T.Vinh.

FLORA OF VIETNAM
Orchidaceae
Paphiopedilum dianthum Tang & F.T.Wang

Son La Prov., Yen Chau Distr., Muong Lum Municipality, Xao village, around point 20°59′54″N 104°38′47″E. Broad-leaved and coniferous (with Pinus kwangtungensis and Calocedrus rupestris) evergreen forest on steep slopes and on tops of ridge composed with rocky crystalline solid marble-like highly eroded limestone at elev. 1100-1300 m a.s.l. Clustering lithophytic herb on mossy open rocks along ridge edge. Common. Tree up to 20 m tall. Main dominant of coniferous forest along ridge edge and on ridge tops.
HAL 9500 04 Nov. 2006
Coll.: Nguyen Tien Hiep, L.Averyanov, Pham Van The.

FLORA OF VIETNAM
Orchidaceae
Paphiopedilum concolor

N. Vietnam, Lang Son prov., Huu Lung distr., Huu Lien municipality (N 21°40′ E 106°22′). Primary evergreen broadleaved wet forest on steep slopes of remnant karst limestone ridge at elev. 400-450 m a.s.l. Lithophytic forb on open rocks and cliffs of N exposition. Leaves above glossy, white-green tersselated, uniformly deep violet-black below. Not rare.
NTH 3259 01 Oct. 1999
Collectors: N.T. Hiep, N.Q. Binh, L. Averyanov, P. Cribb.

FLORA VIETNAMICA
Soviet – Vietnamese Expedition
LX-VN 3393/7
Orchidaceae
Paphiopedilum concolor (Bateman) Pfitzer⁣

Vietnam. Prov. Hai Phong. Cat Hai. Cat Ba, 23.12.1986, L. Averyanov et al.

Fl. et coll. in horto 05.06.1987
Det.: L. Averyanov

FLORA OF VIETNAM
Orchidaceae
Paphiopedilum concolor

N.Vietnam, Bac Kan Prov., Cho Don Distr., Ban Thi Municipality, Cho Dien village, Then Su mt., 22°14′28′'N 105°29′50′'E. Heavily logged primary closed evergreen wet broadleaved forest on very steep slopes and cliffs of remnant mountains composed with highly eroded crystalline limestone near top of ridge at elev. 250-350 m a.s.l.
Lithophyte herb in mossy open rocks. Occasional.
HLF 841 26 Dec. 2002.
Coll. Phan Ke Loc, L.Averyanov, Nguyen Anh Duc, To Van Thao, Mai Van Xinh, Nguyen Tien Vinh.
Grant from Henry Luce Foundation.

VIETNAM

ORCHIDACEAE

Paphiopedilum concolor (Bateman) Pfitzer

Hoa Binh, Mai Chau District, Van Mai Municipality along road between Van Mai and Thanh Hoa, approx. 2 km SW of Van Mai municipal buildings, then trail E between 2 ridges approx. 5 km E then SW to top of near two ridges. Collections from disturbed secondary forest on ridgetop with bamboo and lack of mosses on rocks. Remnants of primary forest and herbaceous vegetation on upper slopes, on limestone and shale soils with large,

14 Dec 2002

D.K. Harder, N.T. Hiep & L.V. Averyanov, DKH 8178

Supported by National Geographic Society

MISSOURI BOTANICAL GARDEN HERBARIUM (MO)

FLORA OF VIETNAM
Orchidaceae
Paphiopedilum concolor.

N.Vietnam, Bac Kan Prov., Ba Be Distr., Nam Mau Municipality: mountaine near Ban Cam, from Northern slope to the top (423 m a.s.l.) Ba Be National Park around point 22(26′596 N 105(36′ 198 E. Selectly logged primary evergreen closed broad-leaved forest on top mountain ( almost on Northern slope and top).composed with crystalline highly eroded marble-like limestone at elevation 423 m a.s.l. Epilith. Flower yellow with black spots. Very common on Northern slope and top.
HLF 702 27 Dec. 2002.
Coll.Nguyen Tien Hiep, Do Hoang Chung, Vu Hong Van, Nguyen Tap,Nguyen Van Thong.
Grant from Henry Luce Foundation.

FLORA OF VIETNAM
Orchidaceae
Paphiopedilum concolor (Batem.) Pfitz.

N.Vietnam, Bac Kan Prov., Ba Be Distr., Nam Mau Municipality, Ba Be National Park around point 22o23′22′'N 105o37′09′'E. Selectly logged primary evergreen dry broad-leaved forest on very steep slopes and cliffs composed with crystalline highly eroded marble-like limestone near the top of ridge at elevation 500 m a.s.l. Lithophytic and terrestrial herb. Locally common.
HLF 615 23 Dec. 2002.
Coll. J.Regalado, Nguyen Tien Hiep, L.Averyanov, Do Hoang Chung, To Van Thao, Vu Hong Van, Nguyen Tien Vinh, Mai Van Xinh.
Grant from Henry Luce Foundation.

FLORA OF VIETNAM
Orchidaceae
Paphiopedilum concolor (Batem.) Pfitzer

Vietnam, Quang Tri Prov., Huong Hoa Distr., Huong Viet Municipality, to N of Sa Mui pass, around point 16°51′14″N 106°34′13″E at elevation 550-650 m a.s.l. Remnants of primary broad-leaved evergreen lowland forest on rocky remnant highly eroded solid marble-like limestone hills and low mountains with very steep slopes and vertical cliffs. Lithophytic rosulate herb on mossy vertical cliffs. Flowers light to bright yellow with very small purple-brownish marks. Not common.
HLF 5935 31 March 2006. Photo.
Coll. N.T.Hiep, L.Averyanov, P.K.Loc, P.V.The, N.S.Khang, P.H.Duc, L.T.Son, S.Bounphanmy, T.K.Ratana, O.Sonliya, T.Q.Dang, N.V.Hien, H.T.N.Trang, L.T.Chau.
Grant from Henry Luce Foundation.

d-EXSICCATES OF VIETNAMESE FLORA 0074/HLF5935 (HN, LE)
© Nguyen Tien Hiep, L.Averyanov, Phan Ke Loc

FLORA OF VIETNAM

Fam. Orchidaceae

Paphiopedilum concolor (Bateman) Pfitzer

N. Vietnam, prov. Son La, distr. Moc Chau, municipality Chieng Hac, vicinities of Co Liu village (N 20º51' E 104º38'). Remnants of primary evergreen broadleaved forests on vertical limestone bluffs along Xap river canyon at 550-600 m elev. Lithophyte forb on shady vertical limestone cliffs of N exposition. Flowers dull yellow; tepals and lip inside with few sparsely purple smallest dots. Leaves pale green with fine white tessellation above, dirty purple-violet spotted below. Not rare on inaccessible vertical bluffs.

No NTH 2922 28 May 1999

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)

Collectors: N.T.Hiep, P.H.Hoang, Averyanov L.

FLORA OF LAOS

Orchidaceae

Paphiopedilum concolor (Lindl.) Pfitzer

Vientiane Prov., Kasi Distr., Tam Tai village, about 10 km to the NW of Kasi town (19°12’57”N 102°14’59”E). Remnants of primary and secondary broad-leaved evergreen forest on very steep rocky slopes of remnant mountain composed with highly eroded solid crystalline limestone at elevation 500-650 m. Lithophyte (and occasionally epiphyte near ground) on steep rocky slope near mountain top. Leaves dark/light tessellated above, dark purple –violet spotted below. Flowers light yellow to almost white, finely purple spotted. Locally common.

LA-VN 743 24 March 2013

Coll.: L.Averyanov, N.S.Khang, S.Lorphengsy

FLORA OF LAOS
Orchidaceae
Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Houphan Prov., Hem Distr., Nacoc village, Puphadeng mountain, around point 20°09′52.6′'N 103°10′19.4′'E. Primary and secondary broad-leaved evergreen open dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 1000-1200 m a.s.l. Lithophyte on shady mossy rocks on mountain top. Leaves distinctly tessellated, dirty violet marked below. Not common.
LA-VN 1401 12 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF VIETNAM

Orchidaceae

Paphiopedilum concolor (Batem.) Pfitzer

Son La Prov., Van Ho Distr., Xuan Nha Municipality, Pu Lau village, territory of Xuan Nha natural reserve.

Remnants of primary and secondary broad-leaved evergreen dry forest on cliffs and on very steep slopes of remnant hill composed by highly eroded stratified dark gray shale limestone at elevation 500-700 m a.s.l. around point 20°40’35.4’’N 104°48’14.3’’E. Lithophytic rosulate clustering herb on shady cliffs, particularly on travertine deposits near mountain top. Leaves finely tessellated with green and light gray-green below, above dark violet. Common.

16 November 2013 CPC 7208

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, N.D.Thang, L.D.Qui

FLORA OF VIETNAM

Orchidaceae

Paphiopedilum concolor (Batem.) Pfitzer

Son La Prov., Van Ho Distr., Xuan Nha Municipality, Pu Lau village, territory of Xuan Nha natural reserve.

Remnants of primary and secondary broad-leaved evergreen dry forest on cliffs and on very steep slopes of remnant hill composed by highly eroded stratified dark gray shale limestone at elevation 500-700 m a.s.l. around point 20°40’35.4’’N 104°48’14.3’’E. Lithophytic rosulate clustering herb on shady cliffs, particularly on travertine deposits near mountain top. Leaves finely tessellated with green and light gray-green below, above dark violet. Common.

16 November 2013 CPC 7208

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, N.D.Thang, L.D.Qui

FLORA OF LAOS

Orchidaceae

Paphiopedilum concolor (Lindl.) Pfitzer

Vientiane Prov., Kasi Distr., Tam Tai village, about 10 km to the NW of Kasi town (19°12’57”N 102°14’59”E). Remnants of primary and secondary broad-leaved evergreen forest on very steep rocky slopes of remnant mountain composed with highly eroded solid crystalline limestone at elevation 500-650 m. Lithophyte (and occasionally epiphyte near ground) on steep rocky slope near mountain top. Leaves dark/light tessellated above, dark purple –violet spotted below. Flowers light yellow to almost white, finely purple spotted. Locally common.

LA-VN 743 24 March 2013

Coll.: L.Averyanov, N.S.Khang, S.Lorphengsy

FLORA OF LAOS

Orchidaceae

Paphiopedilum concolor (Lindl.) Pfitzer

Vientiane Prov., Kasi Distr., Tam Tai village, about 10 km to the NW of Kasi town (19°12’57”N 102°14’59”E). Remnants of primary and secondary broad-leaved evergreen forest on very steep rocky slopes of remnant mountain composed with highly eroded solid crystalline limestone at elevation 500-650 m. Lithophyte (and occasionally epiphyte near ground) on steep rocky slope near mountain top. Leaves dark/light tessellated above, dark purple –violet spotted below. Flowers light yellow to almost white, finely purple spotted. Locally common.

LA-VN 743 24 March 2013

Coll.: L.Averyanov, N.S.Khang, S.Lorphengsy

FLORA OF LAOS
Orchidaceae
Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Luang Prabang prov., Ngoy distr., Nong Khiew village, Ta Nang Non Mountain around point 20°33′29.2″N 102°36′54.5″E. Secondary semideciduous and evergreen dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 600-650 m a.s.l. Lithophytic rosulate herb with tessellated leaves on mossy rocky mountain top. Rare.
LA-VN 1926 31 March 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.

FLORA OF LAOS
Orchidaceae
Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32′31.6′N 103°39′40.4′E. Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l. Lithophytic herb on shady cliff near mountain top. Common.
LA-VN 1048 4 April 2015 photos
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Orchidaceae
Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Houphan Prov., Hem Distr., Na Puok village, Pu Tham Nhon mountain around point 20°10′00.0′'N 103°24′37.0′'E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky mountain slopes composed by solid marble-like highly eroded limestone at elev. 1050-1150 m a.s.l. Lithophytic herb on mossy shady rocks on mountain top. Leaves dark violet mottled below, light / dark green tessellated above. Not common.
LA-VN 1310 11 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Orchidaceae
Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Luang Prabang prov., Pon Xay distr., Houay Man village, Phou Pak Sang Mountain, around point 19°59′03.8′'N 102°25′09.0′'E. Degraded primary evergreen and semideciduous forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 1000-1150 m a.s.l. Lithophytic rosulate herb in crevices of mossy cliff. Leaves contrast green / whitish tessellated. Locally common.
LA-VN 2043 4 April 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.

FLORA OF LAOS

Orchidaceae

Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Xiangkhouang Prov., Peak Distr., Khoang village, Pa Khao mt., around point 19°33’02.2’N 103°39’56.3’E. Primary and secondary broad-leaved evergreen dry forest on solid rocky highly eroded limestone at elev. 1200-1450 m a.s.l. Lithophytic rosulate herb on mossy cliffs on middle part of mt. slope. Leaves distinctly tessellated, dark violet spotted below to almost entirely dark purple-violet. Flowers pale yellow with small purple spots. Not common.

LA-VN 967 3 April 2015 photos

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Orchidaceae
Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Houphan Prov., Xon Distr., Nong Hua Pa Noi village, around point 20°13′02.1′'N 103°24′23.3′'E. Primary and secondary broad-leaved evergreen forest on very steep rocky mountain slopes composed by shaly limestone at elev. 1100-1200 m a.s.l. Lithophytic rosulate herb on shady rock and cliffs. Flower buds white to yellowish. Occasional.
LA-VN 1277 11 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS

Orchidaceae

Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Xiangkhouang Prov., Peak Distr., Khoang village, Pa Khao mt., around point 19°33’02.2’N 103°39’56.3’E. Primary and secondary broad-leaved evergreen dry forest on solid rocky highly eroded limestone at elev. 1200-1450 m a.s.l. Lithophytic rosulate herb on mossy cliffs on middle part of mt. slope. Leaves distinctly tessellated, dark violet spotted below to almost entirely dark purple-violet. Flowers pale yellow with small purple spots. Not common.

LA-VN 967 3 April 2015 photos

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS

Orchidaceae

Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Luang Prabang prov., Ngoy distr., Ngoy village, Pha Noi Mountain, around point 20°42'53.6''N 102°40'34.7''E. Remnants of primary evergreen forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 400-450 m a.s.l. Lithophytic rosulate herb on steep cliffs on mossy rocky mountain top. Flower buds light yellow, leaves contrast tessellated. Locally common.

LA-VN 1978 1 April 2017 Photos

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.

FLORA OF LAOS

Orchidaceae

Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Luang Prabang prov., Ngoy distr., Ngoy village, Pha Noi Mountain, around point 20°42'53.6''N 102°40'34.7''E. Remnants of primary evergreen forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 400-450 m a.s.l. Lithophytic rosulate herb on steep cliffs on mossy rocky mountain top. Flower buds light yellow, leaves contrast tessellated. Locally common.

LA-VN 1978 1 April 2017 Photos

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.

FLORA OF LAOS
Orchidaceae
Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Luang Prabang prov., Ngoy distr., Nong Khiew village, Pha Deng Mountain around point 20°34′14.3′'N 102°37′31.8′'E. Secondary semideciduous and evergreen dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-825 m a.s.l. Lithophytic rosulate herb in mossy rocky crevices in shady places on rocky mountain top. Flowers light yellowish to almost white with many small purple marks. Leaves distinctly contrasty tessellated. Locally common.
LA-VN 1885 31 March 2017 Photos
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.

FLORA OF LAOS
Orchidaceae
Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Luang Prabang prov., Pon Xay distr., along the way to Bane Phou Souong village, Pha Hiua Bin Toc Mountain, around point 19°57′37.0′'N 102°25′03.0′'E. Degraded primary evergreen and semideciduous forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 600-850 m a.s.l. Lithophytic rosulate herb in crevices of mossy rocks on open rocky mountain top. Leaves contrast green – whitish tessellated. Locally common.
LA-VN 2153 5 April 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.

FLORA OF LAOS
Orchidaceae
Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Luang Prabang prov., Pon Xay distr., between Houay Man and Nam Bo villages, Phou Hua Ben Toc Mountain, around point 19°57′33.1′'N 102°25′25.8′'E. Degraded primary evergreen and semideciduous forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 500-650 m a.s.l. Rosulate lithophytic herb on crevices of mossy rocks on rocky mountain top. Leaves contrast green – whitish tessellated. Locally common.
LA-VN 2106 5 April 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.

FLORA OF LAOS
Orchidaceae
Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Vientiane prov., Kasi distr., Si Sang Vone village, around point 19°06′10.9′'N 102°10′46.1′'E. Secondary and primary evergreen dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 600-750 m a.s.l. Lithophytic herb on open mossy rocks near mountain top. Not common.
LA-VN 1848 28 March 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla Inkhavilay, Hongthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh.

FLORA OF VIETNAM
Orchidaceae
Paphiopedilum canhii Aver. et O.Gruss

Dien Bien Prov., Dien Bien Distr., Na U Municipality, Ca Hau village, around point 21°12′51”N 102°57′20”E. Highly destroyed primary closed evergreen broad-leaved submontane forest on rocky crystalline marble-like rocky limestone at elevation 1100-1200 m a.s.l. Lithophytic rosulate herb on shady vertical cliff near top of mountain in association with P. dianthum and P. malipoense. Not common.
CPC 2373 10 April 2011
Coll.: P.V.The.

FLORA OF VIETNAM
Orchidaceae
Paphiopedilum canhii Aver. et O.Gruss

Dien Bien Prov., Dien Bien Distr., Na U Municipality, Ca Hau village, around point 21°13′08”N 102°57′14”E. Selectly logged primary closed evergreen broad-leaved submontane forest on rocky crystalline marble-like rocky limestone at elevation 950-1000 m a.s.l. Lithophytic rosulate herb. Plant cultivated in Dien Bien City.
CPC 1913 4 April 2011 Photos
Coll.: L.Averyanov, P.K.Loc, N.Q.Hieu, N.T.Vinh.

FLORA OF LAOS

Orchidaceae

Paphiopedilum canhii Aver. & O.Gruss

Vientiane Prov., Kasi Distr., Namken village, Phachao Mt., around point 19°18’45.5”N 102°22’31.4”E. Primary broad-leaved evergreen forest on very steep rocky slopes of remnant mountain composed with highly eroded solid crystalline limestone at elevations 1500-1750 m. Lithophytic rosulate herb adpressed on shady vertical cliffs. Leaves dark/light green tessellated above, dirty purple-brown spotted below. Common at elev. 1600 to mountain top.

LA-VN 793 24 March 2013

Coll.: L.Averyanov, N.S.Khang, S.Lorphengsy

FLORA OF VIETNAM
Orchidaceae
Paphiopedilum canhii Aver. et O.Gruss

Dien Bien Prov., Dien Bien Distr., Na U Municipality, Ca Hau village, around point 21°13′08”N 102°57′14”E. Selectly logged primary closed evergreen broad-leaved submontane forest on rocky crystalline marble-like rocky limestone at elevation 950-1000 m a.s.l. Lithophytic rosulate herb on vertical shady limestone cliff of NNE exposition near ridge tops. Leaves mottled with dark green / light silvery light green, dirty purple spotted below. Rarely scattered juvenile samples remained after collecting of mature plants. Common before commercial collecting. Growing in dense clones in 20-40 samples on square approximately 2 x 2 m.
CPC 851 9 December 2010
Coll.: L.Averyanov, P.K.Loc, P.V.The, N.T.Vinh, C.X.Canh

Orchidaceae

NW. Vietnam, Son La prov., mixed coniferous and broad-leaved primary forest on rocky limestone at elevations about 1500 m a.s.l., in shady places at the base of vertical limestone cliffs on deep soils rich in humus near tops of ridges Coll. Chu Xuan Canh CXC 102, 14 November 2009 (holotype).

Flowered under cultivation in Hanoi orchid nursery at 22 March 2010

Coll. Phan Ke Loc HAL 12907, 22 March 2010 (Epitype)

d-EXSICCATES OF VIETNAMESE FLORA 0170/CXC 101, HAL 12907

FLORA OF LAOS

Orchidaceae

Paphiopedilum canhii Aver. & O.Gruss

Vientiane Prov., Kasi Distr., Namken village, Phachao Mt., around point 19°18’45.5”N 102°22’31.4”E. Primary broad-leaved evergreen forest on very steep rocky slopes of remnant mountain composed with highly eroded solid crystalline limestone at elevations 1500-1750 m. Lithophytic rosulate herb adpressed on shady vertical cliffs. Leaves dark/light green tessellated above, dirty purple-brown spotted below. Common at elev. 1600 to mountain top.

LA-VN 793 24 March 2013

Coll.: L.Averyanov, N.S.Khang, S.Lorphengsy

FLORA OF VIETNAM
Orchidaceae
Paphiopedilum canhii Aver. et O.Gruss

Dien Bien Prov., Dien Bien Distr., Na U Municipality, Ca Hau village, around point 21°13′05”N 102°57′13”E. Highly destroyed primary closed evergreen broad-leaved submontane forest on rocky crystalline marble-like rocky limestone at elevation 1100-1150 m a.s.l. Lithophytic rosulate herb on shady cliffs. Rare.
CPC 2422 12 April 2011
Coll.: P.V.The.

d-EXSICCATES OF VIETNAMESE FLORA 0177/CPC 2422 (CPC, LE)
© Nguyen Tien Hiep, L.Averyanov, Phan Ke Loc

FLORA OF VIETNAM

Plants of Ta Dung Nature Reserve

Orchidaceae

Paphiopedilum callosum (Rchb.f.) Stein

Vietnam, Dak Nong Prov., Dak Glong Distr., Dak Plao Municipality, steep mountain slopes of Ta Dung mountain system at elevation 600-800 m a.s.l. around point 11º52’14’’N 107º59’34’’E. Secondary dense broad-leaved evergreen wet forest with bamboo on steep rocky W faced stream slopes composed with crystalline highly metamorphosed sandstone. Terrestrial and lithophytic rosulate herb in shady places and rocky cliffs. Leaves dark – light green tessellated. Locally common.

HLF 5575 9 November 2005. Photo.

Coll. L.Averyanov, P.K.Loc, T.V.Thao, N.T.Vinh.

Grant from Henry Luce Foundation.