Гербарий БИН РАН - Образцы

Rubiaceae

Ridsdalea sp.nov.?

Ridsdalea vietnamensis (Tirveng.) J.T.Pereira (=Rothmannia vietnamensis Tirveng.) aff.

Bac Kan Province, Ba Be District, Ba Be National Park. Dray evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu, Streblus asper and Arenga pinnata on crystalline highly eroded rocky limestone near the boat station at elevation 250–300 m a.s.l. Tree 10-15 on shady rocky steep slope. Flower tube white outside, inside white with many reddish purple marks, pistil and anthers white. Not common.

18 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1682.

Rubiaceae

Ridsdalea sp.nov.?

Ridsdalea vietnamensis (Tirveng.) J.T.Pereira (=Rothmannia vietnamensis Tirveng.) aff.

Bac Kan Province, Ba Be District, Ba Be National Park. Dray evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu, Streblus asper and Arenga pinnata on crystalline highly eroded rocky limestone near the boat station at elevation 250–300 m a.s.l. Tree 10-15 on shady rocky steep slope. Flower tube white outside, inside white with many reddish purple marks, pistil and anthers white. Not common.

18 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1682.

Begoniaceae

Begonia sp. (“grandifolia rupestris”)

Bac Kan Province, Ba Be District, Nam Mau Municipality, central part of Ba Be National Park.

Rather dray evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu and Streblus asper on crystalline highly eroded rocky limestone at elevation 600-750 m a.s.l.

Lithophytic herb of shady vertical cliff near hill top. Leaves uniform light green, sometimes with unclear palmate white spots. Not common.

16 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1666.

Rubiaceae

Ophiorrhiza sp.nov.?

Bac Kan Province, Ba Be District, Nam Mau Municipality, central part of Ba Be National Park.

Rather dray evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu and Streblus asper on crystalline highly eroded rocky limestone at elevation 600-750 m a.s.l.

Lithophytic herb to 0.6 m tall on exposed wet rocks in humid valley between limestone hills. Leaves dark green above, dark purple brown below. Flowers white to pale pink, flower tube white with violet tint. Locally common.

16 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1663.

Burmanniaceae

Burmannia sp.

Lam Dong Province, Bao Lam District, B 40 Pass, around point N11.4366 E107.4266. Fractionally logged primary evergreen broad-leaved and mixed forest with Dacrydium, Dacrycarpus and Pinus latteri on granite at elevation 800–900 m a.s.l. Achlorophyllous terrestrial white saprophytic herb in shady wet place along rocky forest stream. Not Common.

28 November 2022, L. Averyanov, Nguyen Van Canh, T. Maisak, Truong Ba Vuong, Nguyen Quoc Bao, AL 2028.

Convallariaceae

Aspidistra sp.

Binh Thuan Province, Tanh Linh District, Lac Tanh Village, around point N11.1616 E107.5200.

Dense secondary evergreen broad-leaved forest on granite on very steep slopes of small stream at elevation about 400 m a.s.l. Terrestrial herb in shady places with leaves to 1 m long, flowers dirty violet with yellowish apices of tepals. Locally abundant. 29 November 2022, L. Averyanov, Nguyen Van Canh, T. Maisak, Truong Ba Vuong, Nguyen Quoc Bao, AL 1865 (photo).

Convallariaceae

Aspidistra sp.

Binh Thuan Province, Tanh Linh District, Lac Tanh Village, around point N11.1616 E107.5200.

Dense secondary evergreen broad-leaved forest on granite on very steep slopes of small stream at elevation about 400 m a.s.l. Terrestrial herb in shady places with leaves to 1 m long, flowers dirty violet with yellowish apices of tepals. Locally abundant. 29 November 2022, L. Averyanov, Nguyen Van Canh, T. Maisak, Truong Ba Vuong, Nguyen Quoc Bao, AL 1865 (photo).

Lowiaceae

Orchidantha sp.

Binh Thuan Province, Ham Thuan Bac District, around point N 11.2704566, E 107.8676430.

Dense secondary evergreen broad-leaved forest on granite on very steep slopes of small stream at elevation about 400 m a.s.l. Terrestrial herb in shady places with leaves to 1.2 m long, flowers bad smelled, yellowish with dirty violet stripe on median tepal. Locally abundant.

29 November 2022, L. Averyanov, Nguyen Van Canh, T. Maisak, Truong Ba Vuong, Nguyen Quoc Bao, AL 1864.

Lowiaceae

Orchidantha sp.

Binh Thuan Province, Ham Thuan Bac District, around point N 11.2704566, E 107.8676430.

Dense secondary evergreen broad-leaved forest on granite on very steep slopes of small stream at elevation about 400 m a.s.l. Terrestrial herb in shady places with leaves to 1.2 m long, flowers bad smelled, yellowish with dirty violet stripe on median tepal. Locally abundant.

29 November 2022, L. Averyanov, Nguyen Van Canh, T. Maisak, Truong Ba Vuong, Nguyen Quoc Bao, AL 1864.

Orchidaceae

Bulbophyllum alcicorne C.S.P.Parish & Rchb.f.

Binh Thuan Province, Tanh Linh District, Lac Tanh Village, around point N10.5600 E107.4800.

Open Dipterocarp grassy woodlands on ferralithe soil at elevation about 100 m a.s.l. Epiphyte on tall trees. Locally common.

30 November 2022, L. Averyanov, Nguyen Van Canh, T. Maisak, Truong Ba Vuong, Nguyen Quoc Bao, AL 1878.

Gesneriaceae

Microchirita hamosa (R.Br.) Yin Z.Wang?

Bac Kan Province, Ba Be District, Ba Be National Park. Evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu, Streblus asper and Arenga pinnata on crystalline highly eroded rocky limestone near the boat station at elevation 250-300 m a.s.l. Annual terrestrial and lithophytic herb to 40 cm tall on vertical wet exposed road limestone cliff. Flowers blue to blue violet. Very common.

18 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1683.

Gesneriaceae

Microchirita hamosa (R.Br.) Yin Z.Wang?

Bac Kan Province, Ba Be District, Ba Be National Park. Evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu, Streblus asper and Arenga pinnata on crystalline highly eroded rocky limestone near the boat station at elevation 250-300 m a.s.l. Annual terrestrial and lithophytic herb to 40 cm tall on vertical wet exposed road limestone cliff. Flowers blue to blue violet. Very common.

18 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1683.

Begoniaceae

Begonia baviensis Gagnep.

Hanoi City Area, Ba Vi District, southern prat of Ba Vi National Park, Ba Vi Mountain Range. Primary and old secondary broad-leaved evergreen forest on steep slopes composed with solid shaly limestone at elevation 900–950 m a.s.l. Terrestrial and lithophytic herb to 1 m tall on steep rocky slope in shady wet place, leaves and stems uniform green with dense red hairs, flowers white to light pinkish, tepals and ovary outside with long red hairs, anthers and stigma yellow. Very common.

12 November 2022, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL 1623.

Convallariaceae

Peliosanthes sp. (P. yunnanensis?)

Living plant obtained and herbarium prepared at 25 Nov. 2022, Nguyen Van Canh, L. Averyanov, T. Maisak, AL 1688. Plant originated from Dak Lak Province, Chu Yang Sinh Mountains, broad-leaved evergreen forest at elevations about 700 m a.s.l., 2018, Nguyen Van Can.

Orchidaceae

Singchia malipoensis Z.J. Liu & L.J. Chen

N. Vietnam, Lai Chau Province, broad-leaved limestone forest. Plant collected by local collector for Loc Bao Sang, who cultivated plant in Lam Dong, Di Linh Town. 26 October 2019, L. Averyanov, Nguyen Van Canh, T. Maisak, AL 1187.

Fl. in cult 05 01 2023, L. Averyanov, AL 1187.

Orchidaceae

Cheirostylis glandulosa Aver.

Dak Lak Province, Lak District, Krong No Municipality, around point 12.1408 N 108.1325 E. Dry evergreen broad-leaved secondary forest on hill slopes composed with granite at elevation 800–900 m a.s.l. Lithophytic rootless herb on shady mossy rocks in dray secondary scrub on exposed granite cliffs along stream canyon. Leaves pale reddish brown. Occasional.

24 November 2022, L. Averyanov, Nguyen Van Canh, T. Maisak, Truong Ba Vuong, et al., AL 1767.

Fl. in cult., 05 01 2023, Flowers white, lip center green, L. Averyanov, AL 1767.