Гербарий БИН РАН - Образцы

Orchidaceae

Calanthe odora Griff.

Thua Thien Hue Province, A Luoi District, Huong Nguyen Commune, mountain range along the border with Quang Nam Province and Laos. Evergreen broad-leaved forest at elevation 950–1000 m a.s.l. Горная гряда прямо на границе с Лаосом на западе и провинцией Quan Nam на юге. Terrestrial herb along valley of small mountain stream. 10.09.2015, N.L. Orlov, s.n.

Flowered in culture 20.12.2022, L. Averyanov, AL 2031.

Fagaceae

Quercus sp.

Lam Dong Province, Di Linh District, Nui San Pass, around point N11.2566 E108.0383.

Old secondary evergreen broad-leaved forest on steep mountain slopes at elevation 1100–1200 m a.s.l.

Tree to 30 m tall. Locally common. Occasional co-dominant of the first forest stratum.

1 December 2022, L. Averyanov, Nguyen Van Canh, T. Maisak, Truong Ba Vuong, Nguyen Quoc Bao, AL 2027.

Fagaceae

Lithocarpus sp.

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. Tree to 25 m tall. Fruits ovoid, 2.5–3 cm in diameter, apiculate.

12 November 2022, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL 1635.

Orchidaceae

Plocoglottis bokorensis (Gagnep.) Seidenf.

Lam Dong Province, Di Linh District, Nui San Pass, around point N11.2566 E108.0383.

Old secondary evergreen broad-leaved forest on steep mountain slopes at elevation 1100–1200 m a.s.l.

Terrestrial herb with erect stems to 1 m tall on shady rocky slope. Locally common.

1 December 2022, L. Averyanov, Nguyen Van Canh, T. Maisak, Truong Ba Vuong, Nguyen Quoc Bao, AL 1892.

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).