Гербарий БИН РАН - Образцы

FLORA OF VIETNAM

Orchidaceae

Phaius tonkinensis (Aver.) Aver.

Hoa Binh Prov., Lac Son Distr., Tu Do Municipality, Coi Gao village, around point 20°26’07”N 105°17’19”E. Secondary rich forest on steep rocky slopes of limestone mountain at elevation about 600 m a.s.l. Terrestrial herb on shady mossy slope. Not common.

CPC 1487 24 March 2011

Coll.: N.Q.Hieu, L.Averyanov, N.T.Hiep, P.K.Loc, P.V.The, N.T.Vinh, T.B.Ngan, N.Tap, D.D.Dao, V.T.Ha.

Fl. under cultivation at October – November 2012. Flowers odorless, sepals and petals white, lip light purple-violet, with unclear fuzzy white spots. Column white.

FLORA OF VIETNAM

Fam. Orchidaceae

Phaius mishmensis (Lindl. & Paxton) Rchb.f.var. tonkinensis Aver.

N. Vietnam, prov. Cao Bang, distr. Tra Linh, municipality Quoc Toan, vicinities of Lung Tao village (N 22ш45' E 106ш19'), about 12 km from Cao Bang town to the NNE. Primary semideciduous open broadleaved forest on steep slopes and bluffs of remnant limestone ridge at 600-800 m alt. Terrestrial herb in shadow place. Not common.

No CBL 1253 14 Dec. 1998

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

Collectors: N.T.Hiep, N.Q.Binh, P.K.Loc, N.X.Tam, Averyanov L.

Orchidaceae

Phaius wenshanensis F.Y. Liu

Bac Kan Province, Chi Don District (close to Chiem Tuyen Quang)

September 2016 Bguyen Van Quyet, CXC 108

herbarium specimen was prepared from cultivated plant in Chu Xuan Canh garden in Hanoi, 25 October 2017 C.X. Canh, L. Averyanov, T. Maisak AL 403

FLORA VIETNAMICA
Soviet – Vietnamese Expedition
LX-VN s.n.
Orchidaceae
Phaius tankervilleae (Banks ex L.Her.) Blume

Vietnam. Prov. Lam Dong. Dalat, 1983.

Fl. et coll. in horto 12.04.1988
Det.: L. Averyanov 1988

FLORA VIETNAMICA
Soviet – Vietnamese Expedition
LX-VN s.n. Garden Number 201
Orchidaceae
Phaius tankervilleae (Banks ex L.Her.) Blume⁣

Vietnam. Prov. Lam Dong. Dalat, 1983

Det.: L. Averyanov 1991

Orchidaceae

Phaius wenshanensis F.Y. Liu

Bac Kan Province, Chi Don District (close to Chiem Tuyen Quang)

September 2016 Bguyen Van Quyet, CXC 108

herbarium specimen was prepared from cultivated plant in Chu Xuan Canh garden in Hanoi, 25 October 2017 C.X. Canh, L. Averyanov, T. Maisak AL 403

FLORA OF VIETNAM
Orchidaceae
Phaius tonkinensis (Aver.) Aver.

Plant cultivated a long time in Hanoi private garden of Mr Nguyen Minh Duc. Originated from northern Vietnam with no exact location.
25 October 2017 L. Averyanov, T. Maisak, AL 401 (flower in alcohol, photos)

FLORA OF VIETNAM

Orchidaceae

Phaius tonkinensis (Aver.) Aver.

Hoa Binh Prov., Lac Son Distr., Tu Do Municipality, Coi Gao village, around point 20°26’07”N 105°17’19”E. Secondary rich forest on steep rocky slopes of limestone mountain at elevation about 600 m a.s.l. Terrestrial herb on shady mossy slope. Not common.

CPC 1487 24 March 2011

Coll.: N.Q.Hieu, L.Averyanov, N.T.Hiep, P.K.Loc, P.V.The, N.T.Vinh, T.B.Ngan, N.Tap, D.D.Dao, V.T.Ha.

Fl. under cultivation at October – November 2012. Flowers odorless, sepals and petals white, lip light purple-violet, with unclear fuzzy white spots. Column white.

Orchidaceae

Phaius wenshanensis F.Y.Liu

Ha Giang Prov., Bac Me Distr., Phieng Luong municipality, around Phieng Day village. Degraded primary broad-leaved humid evergreen forest along rocky canyon of small stream at the base of mountains composed with solid crystalline highly eroded limestone at elevation 900-1000 m a.s.l. around point 22°38’43.8’’N 05°19’19.8’’E.

Terrestrial herb to 1 m tall in shady wet place. Tepals orange-brown, lip white with yellow with white. Locally very common.

14 November 2014 CPC 7466

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz

Orchidaceae

Phaius wenshanensis F.Y.Liu

Ha Giang Prov., Bac Me Distr., Phieng Luong municipality, around Phieng Day village. Degraded primary broad-leaved humid evergreen forest along rocky canyon of small stream at the base of mountains composed with solid crystalline highly eroded limestone at elevation 900-1000 m a.s.l. around point 22°38’43.8’’N 05°19’19.8’’E.

Terrestrial herb to 1 m tall in shady wet place. Tepals orange-brown, lip white with yellow with white. Locally very common.

14 November 2014 CPC 7466

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz

Phaius tankervilleae (Banks ex L.Her.) Blume

SOUTHERN VIETNAM

Dak Lak prov., Lak distr., Bong Krang municip.

Chu Yang Sin National Park

11 km S of Krong Kmar village

N 12° 24' 05'' E 108° 21' 09'' elev. 1000 m

Nuraliev M.S. № 755

01.04.2013

Plants of Nui Chua national park

Fam. Orchidaceae

Phaius tankervilleae (L.Her.) Blume

S.Vietnam, Ninh Thuan Prov., Ninh Hai Distr., Vinh Hai Municipality, E elev. about 600 m a.s.l. Steep rocky mountain slopes composed with granite. Terrestrial herb on open wet secondary grassland. Flowers: tepals

outside white, inside brown, lip deep purple-violet. Occasional.

HLF 4176 26 March 2004 Photo

Coll. J.Regalado, N.T.Hiep, P.K.Loc, L.Averyanov, N.T.Vinh, P.V.Doan, T.T.An, N.T.Hoi, T.V.Huong, N.V.Su, T.T.T.Trang, H.A.Tuan.

Grant from Henry Luce Foundation.

FLORA OF VIETNAM
Orchidaceae
Phaius longicruris Tsi

N. Vietnam, Bac Can prov., Na Ri distr., Kim Hy municipality, vicinities of Lung Hin Con village (N 22°17′ E 106°03′), 27 km to 55° of Bac Can city. Primary evergreen broadleaved closed forest on very steep rocky slope of karst remnant limestone ridge at elev. 600-700 m a.s.l. Lithophytic forb on shady rocks. Flowers odourless, tepals white, tips with green tint, later yellowish; lip light lilac-violet with whitish irregular venation. Very common.
NTH 3732 20 Oct. 1999
Collectors: N.T. Hiep, P.K. Loc, L. Averyanov.

FLORA OF VIETNAM
Orchidaceae
Phaius longicruris Tsi

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. 250-300 m a.s.l. Terrestrial and lithophytic forb up to 1.5 m hg. FL.: tepals white, lip purple-lilac, with whitish marks, column white with pink tint at
front. Not common.
NTH 3255 01 Oct. 1999
Collectors: N.T. Hiep, N.Q. Binh, L. Averyanov, P. Cribb.

FLORA OF VIETNAM
Orchidaceae
Phaius tankervilleae (Banks ex L.Her.) Blume

S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, vicinities Klong Lanh village, 32 km to NNE from Dalat city (N 12° 08′, E 108° 39′). Grassy-sedges swampy Pinus kesiya forest on high terrace of river valley at the base of hills at 1450 m alt. in 6-7 km from Bi Dup main peak to the W. Herb with inflorescence up to 2 m hg. Tepals brownish-pink inside, greenish-white outside, lip brownish-purple with yellow margin of epichile. Not common.
VH 3970 14.04.1997
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)
Collectors: L. Averyanov, N.Q. Binh

Plants of Nui Chua national park

Fam. Orchidaceae

Phaius tankervilleae (L.Her.) Blume

S.Vietnam, Ninh Thuan Prov., Ninh Hai Distr., Vinh Hai Municipality, E elev. about 600 m a.s.l. Steep rocky mountain slopes composed with granite. Terrestrial herb on open wet secondary grassland. Flowers: tepals

outside white, inside brown, lip deep purple-violet. Occasional.

HLF 4176 26 March 2004 Photo

Coll. J.Regalado, N.T.Hiep, P.K.Loc, L.Averyanov, N.T.Vinh, P.V.Doan, T.T.An, N.T.Hoi, T.V.Huong, N.V.Su, T.T.T.Trang, H.A.Tuan.

Grant from Henry Luce Foundation.

Orchidaceae

Phaius mishmensis (Lindl. et Paxt.) Reichenb.f.

N. Vietnam, Prov. Cao Bang, Distr. Tra Linh, Subdistr. Quoc Toan, wet shadow evergreen forest on N clopes of remnant limestone mountains at 650-750 m alt. near Thang Heng lake in environs of Thang Hen and Kung Tao villages. Terrestrial herb to 1.5 m high. Flowers white, then yellowish, the lip light violet. Not common.

No CB 018 22.10.1995

L. Averyanov, N.T. Hiep, D.D. Huyen

FLORA OF VIETNAM
Orchidaceae
Phaius tankervilleae (Banks ex L.Her.) Blume

N. Vietnam, prov. Cao Bang, distr. Nguyen Binh, municipality Ca Thanh (N 22°44′ E 105°50′) at about 1000 m elev. Terrestrial herb with inflorescence up to 1.5 m hg in open place on wet clay-lateritic soil on shales in open secondary shrubs and short tall grasslands. Flowers odorless: tepals outside white, inside brownish-purple, lip deep purple-violet. Not rare.
CBL 1262 13 April 1999
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)
Collectors: P.K.Loc, P.H.Hoang, Averyanov L.

Fam. Orchidaceae Juss.

Phaius tankervilleae (Banks ex L.Her.) Blume

S. Vietnam, Prov. Kontum. NW slopes of Ngoc Linh mountain system at 1200 m alt. near Ngoc Linh village. Secondary marshland with grasses and shrubs. Herb with inflorescence up to 2 m high. Tepals outside white,

purple-brownish inside.

No VH 009 23.02.1995

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5094-93)

Participants: L. Averyanov, N.T. Ban, N. Q. Binh, A. Budantzev, L. Budantzev, N.T. Hiep, D.D. Huyen, P.K. Loc, N.X. Tam, G. Yakovlev

FLORA OF VIETNAM
Orchidaceae
Phaius longicruris Tsi

N. Vietnam, Ha Giang prov., Quan Ba distr., Can Ti municipality, vicinities of Sing Xuoi Ho village (N 23°04′ E 104°59′), 26.2 km to 002° of Ha Giang city. Primary wet evergreen broadleaved closed forest on very steep rocky slope of karst remnant limestone ridge at elev. 800-1000 m a.s.l. Terrestrial forb up to 1 m hg. Not rare.
NTH 3563 12 Oct. 1999
Collectors: N.T. Hiep, N.Q. Binh, L. Averyanov, P. Cribb.

Phaius tonkinensis (Rchb. f.) Aver.

NORTHERN VIETNAM

Phú Thọ prov.,Thanh Sơn distr.,Xuân Sơn munic.

Xuân Sơn National Park

Near trail from Lấp village to the waterfall.

In the forest, epilithic on limestone rocks.

N 21° 08' 23'' E 104° 56' 20'' elev. 250 m

21.10.2014

All photos © - M.S. Nuraliev

Fam. Orchidaceae Juss.

Phaius tankervilleae (Banks ex L.Her.) Blume

S. Vietnam, Prov. Kontum. NW slopes of Ngoc Linh mountain system at 1200 m alt. near Ngoc Linh village. Secondary marshland with grasses and shrubs. Herb with inflorescence up to 2 m high. Tepals outside white,

purple-brownish inside.

No VH 009 23.02.1995

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5094-93)

Participants: L. Averyanov, N.T. Ban, N. Q. Binh, A. Budantzev, L. Budantzev, N.T. Hiep, D.D. Huyen, P.K. Loc, N.X. Tam, G. Yakovlev

FLORA OF VIETNAM
Orchidaceae
Phaius mishmensis (Lindl. et Paxt.) Reichenb.f.

S. Vietnam, Prov. Lam Dong, 14 km to NNW from Dalat city (N 12° 05′, E 108° 22′). Primary closed mixed forest with Pinus kesiya and P. krempfii at 1740-1760 m alt. Terrstrial herb up to 1 m hg. Not rare in shadow places. Flowers pink-violet.
VH 2521 11.03.1997
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)
Collectors: L. Averyanov, N.Q. Binh, N.V. Duy, P.K. Loc

Orchidaceae

Phaius takeoi (Hayata) H.J.Su

Lao PDR, Houa Phang province, Xon district, Hay Lao village, around point 20º33´33 N, 103º83´3 E, at elevation around 850 m a.s.l., 6–11 November 2017, Nikolai L. Orlov, Larissa K. Ioganssen, NLO 046. Photos in nature.

FLORA VIETNAMICA
Soviet – Vietnamese Expedition
LX-VN 3914
Orchidaceae
Phaius mishmensis Rchb.f.⁣

Vietnam. Prov. Vinh Phu. Tam Dao. 23.01.1988. L. Averyanov et al.

Fl. et coll. in horto 05.12.1988

Det.: L. Averyanov 05.12.1988

Orchidaceae

Phaius takeoi (Hayata) H.J.Su

Lao PDR, Luong Nam Tha province, Nam Tha district, Nam Kong village, Luong Nam Tha NP, around point 21º11´543 N, 101º22´874 E, at elevation about 1100 m a.s.l., 26 September – 2 October 2017, Nikolai L. Orlov, Larissa K. Ioganssen, NLO 034. Photos in nature.

FLORA OF VIETNAM
Orchidaceae
Phaius mishmensis (Lindl. et Paxt.) Reichenb.f.

S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, vicinities Klong Lanh village, 32 km to NNE from Dalat city (N 12° 08′, E 108° 39′). Old secondary dry evergreen broadleaved mt forest rich in primary elements at 1500-1550 m alt. in 8-10 km from Bi Dup main peak to the W. Terrestrial herb up to 1.5 m hg in shadow steep slope of mt stream canyon. Not common.
VH 3716 06.04.1997
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)
Collectors: L. Averyanov, N.Q. Binh

FLORA OF VIETNAM
Orchidaceae
Phaius mishmensis (Lindl. & Paxt.) Rchb.f.

N.Vietnam, Bac Kan Prov., Cho Don Distr., Ban Thi Municipality, village Phia Khao, around point 22°17′31′'N, 105°31′51′'E, Cau Muc mountain at elevation 800-900 m a.s.l. Primary broad-leaved evergreen closed forest on very steep slopes and cliffs near tops of rocky ridge composed with solid marble-like stratified limestone.
Terrestrial and lithophytic herb up to 1 m tall on shady rocky slope. Very common.
HAL 4873 24 May 2004
Collectors: L.Averyanov, N.T.Hiep, P.V.The, N.T.Vinh.

FLORA OF VIETNAM

Orchidaceae

Phaius mishmensis (Lindl. et Paxt.) Reichenb.f.

Lai Chau Prov., Sin Ho Distr., Ma Quai Municipality, Can Ti 2 village, around point 22º24’18’’N 103º22’45’’E. Remnants of broad-leaved evergreen closed primary and secondary forest on steep mountain slopes composed with sandstone and limestone at elev. about 1200 m a.s.l. Terrestrial herb up to 1 m tall on shady stream canyon. Flowers light pink-violet. Not common.

HAL 9830 16 Nov. 2006 Photo.

Coll.: Nguyen Tien Hiep, L.Averyanov, Pham Van The.

FLORA VIETNAMICA
Soviet – Vietnamese Expedition
LX-VN 3914
Orchidaceae
Phaius mishmensis Rchb.f.⁣

Vietnam. Prov. Vinh Phu. Tam Dao. 23.01.1988. L. Averyanov et al.

Det.: L. Averyanov 1988

FLORA OF VIETNAM
Orchidaceae Juss.
Phaius mishmensis (Lindl. et Paxt.) Reichenb.f.

S. Vietnam, Prov. Kon Tum, Distr. Dak Gley, about 10-12 km to the SE of Dak Gley town (4-6 km to the E of Dak Tung village). Primary evergreen very wet mountain forest on slopes of deep stream canyon at 1300-1400 m alt.
Terrestrial herb up to 1 m high. Flowers light pink-violet (old yellowish-orange). Not common.
VH 2327 06.12.1995
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5094-93)
Participants: L. Averyanov, N.T. Ban, A. Budantzev, L. Budantzev, N.T. Hiep, D.D. Huyen, P.K. Loc, G. Yakovlev

FLORA OF VIETNAM
Orchidaceae
Phaius mishmensis (Lindl. & Paxt.) Rchb.f.

Northern Vietnam, Ninh Binh Prov., Cuc Phuong National Park. Primary evergreen seasonal broad-leaved lowland dry forest on steep rocky slope of limestone hills at elev. about 500 m a.s.l. May Bac mt.
HAL 2897 08 Jan. 2003
Collectors: L.Averyanov, P.K.Loc, N.M.Cuong, N.T.Vinh.

Phaius longicornu Guillaumin (spirit)

SOUTHERN VIETNAM

Gia Lai prov., K'Bang distr., Kon Pne municip.

Kon Ka Kinh National Park

35 km NW of K'Bang town

Disturbed forest, river bank

N 14° 19' 32'' E 108° 20' 11'' elev. 910 m

Nuraliev M.S., Kuznetsov A.N., Kuznetsova S.P.

12.05.2017

FLORA OF VIETNAM
Orchidaceae
Phaius longicornu Guillaumin

Vietnam, Thua Thien – Hue Prov., A Luoi Distr., Hong Kim Municipality, Dut village, about 3 km to NE from point 16°17′54′'N, 107°12′41′'E near A Nor waterfall at elevation about 700-800 m a.s.l. Wet closed secondary broad-leaved forest on very steep slopes of A Nor stream composed with shale and granite. Lithophytic herb on open wet waterfall cliffs. Tepals white, lip light yellowish with purple striping. Occasional.
HAL 7535 26 April 2005. Photo.
Collectors: L.Averyanov, P.K.Loc, T.V.Thao, N.T.Vinh.

d-EXSICCATES OF VIETNAMESE FLORA 0020/HAL7535 (HN, LE)
© Nguyen Tien Hiep, L.Averyanov, Phan Ke Loc

FLORA OF VIETNAM
Orchidaceae
Phaius mishmensis (Lindl. & Paxt.) Rchb.f.?

Ha Giang Prov., Bac Me Distr., Thuong Tan municipality. Primary broad-leaved humid evergreen forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 1200-1285 m a.s.l. around point 22°38′19.0″N 105°17′06.5″E. Terrestrial herb along shady stream. Flowers yellowish-pink. Not common.
16 November 2014 CPC 7483
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz

FLORA VIETNAMICA
Soviet – Vietnamese Expedition
LX-VN 2292
Orchidaceae
Phaius pallidus Ridl.

Vietnam. Prov. Kon Tum & Gia Lai, Konplong, Mang Den. 28.05.1985. L. Averyanov et al.

Det.: L. Averyanov 28 05 1985

FLORA VIETNAMICA
Soviet – Vietnamese Expedition
LX-VN 2292 Garden number 247
Orchidaceae

Phaius pallidus Ridl.⁣

Vietnam. Prov. Gia Lai - Kon Tum, Konplong, Mang Den, 28.05.1985, L. Averyanov et al.

Det.: L. Averyanov 1986

FLORA OF VIETNAM

Orchidaceae

Phaius mishmensis (Lindl. et Paxt.) Reichenb.f.

Lai Chau Prov., Sin Ho Distr., Ma Quai Municipality, Can Ti 2 village, around point 22º24’18’’N 103º22’45’’E. Remnants of broad-leaved evergreen closed primary and secondary forest on steep mountain slopes composed with sandstone and limestone at elev. about 1200 m a.s.l. Terrestrial herb up to 1 m tall on shady stream canyon. Flowers light pink-violet. Not common.

HAL 9830 16 Nov. 2006 Photo.

Coll.: Nguyen Tien Hiep, L.Averyanov, Pham Van The.

FLORA OF VIETNAM
Orchidaceae
Phaius mishmensis (Lindl. & Paxt.) Rchb.f.

N.Vietnam, Cao Bang Prov., Trung Khanh Distr., Ngoc Khe Municipality, Pac Nga village, around point 22°54′59′'N, 106°31′44′'E, at elevation 700-750 m a.s.l. Secondary wet closed evergreen forest on steep rocky slopes of rocky ridges and mesae composed with light gray solid marble-like highly eroded crystalline limestone. Terrestrial herb up to 1 m tall on shady rocky slope. Common.
HAL 5534 10 June 2004
Collectors: L.Averyanov, P.K.Loc, P.V.The, N.T.Vinh.

FLORA OF VIETNAM

Fam. Orchidaceae Juss.

Pholidota convallariae (Reichenb.f.) Hook.f.

S. Vietnam, Prov. Kontum. NW slopes of Ngoc Linh mountain system

at 1700-1800 m alt. Open secondary forest.

Epiphyte.

No VH 231 23.02.1995

International Botanical Expedition of the U.S.A. National Geographic

Society (grant No 5094-93)

__________________________________________________________

Participants: L. Averyanov, N.T. Ban, N. Q. Binh, A. Budantzev, L. Budantzev, N.T. Hiep, D.D. Huyen, P.K. Loc, N.X. Tam, G. Yakovlev

FLORA OF VIETNAM

Orchidaceae Juss.
Pholidota convallariae (Reichenb.f.) Hook.f. ?
S. Vietnam, Prov. Kontum. Ericaceae-Arundinaria assiciations on
tops of ridges of mountain system on N of Ngoc Linh peak at 2400 m
alt.
Epiphyte. Dominant.
VH 567 07.03.1995
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5094-93)

Participants: L. Averyanov, N.T. Ban, N. Q. Binh, A. Budantzev, L. Budantzev, N.T. Hiep, D.D. Huyen, P.K. Loc, N.X. Tam, G. Yakovlev

FLORA OF LAOS

Hin Nam No Nature Protected Area

Orchidaceae

Bulbophyllum lilacinum Ridl.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31'11.1"N, 105°46'41.4"E. Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l. Epiphyte on tall trees near mountain top. Locally very common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 974.5.

Herbarium specimen and photos prepared in 26.10.2020, flowers almost white with yellow-green ting and brown markings, lop white or yellowish with pale purple keels, L. Averyanov & T. Maisak, AL 974.5.1

Fam. Orchidaceae

Rhomboda petelotii (Gagnep.) Ormerod

N. Vietnam, Ha Giang prov., Yen Minh distr., Lao Va Chai municipality, vicinities of Lao Va Chai village (N 23º07' E 105º08'), 35.9 km to 27º of Ha Giang city. Primary wet evergreen broadleaved closed forest on very steep slope of karst remnant limestone ridge at 1200-1300 m alt. Terrestrial forb on shady places. Leaves velvety green with median longitudinal silver stripe. Rare.

No NTH 3459 09 Oct. 1999

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

Herbarium specimen and photos prepare in 26 10 2020, L. Averyanov NTH 3459.1

FLORA OF LAOS

Orchidaceae

Ascocentropsis pusilla (Aver.) Senghas & Schildh.

Laos, Champasak prov., Bolaven plateau, дорога Paksong - Thateng, на север от Paksong, 2 км не доезжая Thateng на восток от дороги, N 15, 24.244 E 106, 21.358 elev. 1030 m a.s.l. склон южной экспозиции Эпифит.

16.12.2015 E.Konstantinov, T. Vongsa K-404. Сбор. Фото

Det. Averyanov L. 26.10.2020

Convallariaceae

Luang Prabang prov., Ngoy distr., Don Khun village, near waterfall, around point 20°31'36.9''N 102°35'15.8''E.

Remnants of primary evergreen forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 450-550 m a.s.l. along mountain stream.

Terrestrial herb on shady rocky stream slope. Young fruits green, rachis fleshy, dirty violet. Occasional.

LA-VN 2013 2 April 2017

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

Herbarium specimen and photos prepared in 26.10.2020, tepals light olive-green, corona brownish-red, L. Averyanov & T. Maisak, LA-VN 2013.1

Begoniaceae

Ha Giang Prov., Quan Ba Distr., Can Ty Commune, Sin Suoi Ho Village, around point 23.09566ºN 105.02142ºE. Very steep mountain slopes composed of solid highly eroded karstic limestone at elevation 800–1000 m a.s.l. Remnants of primary evergreen broad-leaved and coniferous (with Calocedrus rupestris and Xanthocyparis vietnamensis) humid forest. Lithophytic and terrestrial ephemeroid herb in. Not common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1575a.

Herbarium and photos prepared in 28 August 2020, L. Averyanov, T. Maisak, VR 1575.1. Rhizome very short fleshy white, petioles light pale pink, leaves above dark green with many irregular silvery marks, below pale greenish to almost white irregularly marked with purple, tepals white or white with very light purple tint, anther and stigma bright yellow, fruits grassy green with 3 triangular wings, median twice larger than two others.

Orchidaceae

Laos, Champasak, Thad Champi, 23.03.2020, E. Konstantinov, A. Chulisov, T. Vongsa, K-420.

Det.: L. Averyanov 26.08.2020

Orchidaceae

Laos, Champassak Province, Thad Champi, 29.03.2020, E. Konstantinov, A. Chulisov, T. Vongsa, K 421.

Det.: L. Averyanov 26.08.2020