Справочные данные LE - Этикетки Аверьянова Л. В.

FLORA OF VIETNAM
Lauraceae

Nghe An Prov., Ky Son Distr., Na Ngoi Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Primary broad-leaved and mixed forest (with Cunninghamia) on very steep mountain slopes on granite at elevation about 1900 m a.s.l. around point 19°13′37.5″N 104°06′11.8″E.

Tree about 20 m tall.

20 October 2013 CPC 6004
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Lamiaceae

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Riparian and subaquatic erect herb to 20 cm tall in shallow water of small stream. Flowers purple. Leaves with very strong pleasant fragrance. Occasional.

20 October 2013 CPC 6003
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Polypodiaceae s.l.
Onichyum sp.?

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Lithophytic and terrestrial fern on very steep rocky open road cut slope. Very common.

20 October 2013 CPC 6002
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Melastomataceae
Medinilla sp.

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Shrub 1.5-2 m tall on open wet slopes. Flowers pink-violet. Occasional.

20 October 2013 CPC 6001
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Rubiaceae
Spiradiclis caespitosa Blume

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Terrestrial herb on wet shady rocky slope along waterfall. Flowers white. Not common.

20 October 2013 CPC 6000
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Melastomataceae
Sonerila sp.

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Terrestrial herb on wet shady rocky slope along waterfall. Flowers purple-violet, leaves with purple nerves. Not common.

20 October 2013 CPC 5500
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Rubiaceae
Oldenlandia sp.

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Herbaceous vine 2-3 m long among open shrubs. Flowers white. Very common.

20 October 2013 CPC 5499
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Araliaceae
Aralia armata?

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Climbing shrub 2 m tall in wet open place. Fruits black. Common.

20 October 2013 CPC 5498
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Fabaceae
Dalberghia sp.

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Woody vine or climbing shrub with shoots 3-4 m long in rather open place. Not common.

20 October 2013 CPC 5497
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Tiliaceae
Colona sp.

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Tree about 15m tall. Common.

20 October 2013 CPC 5496
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Caprifoliaceae
Viburnum sp.

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Srub of treelet to 4 m tall in rather open wet slope. Fruits red. Very common.

20 October 2013 CPC 5495
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Orchidaceae
Malaxis ophrydis

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Terrestrial herb on wet shady steep slope. Occasional.

20 October 2013 CPC 5494
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Polypodiaceae s.l. (Blechnaceae)
Blechnum orientale

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Terrestrial fern with fronds to 2 m long on steep wet slopes. Abundant.

20 October 2013 CPC 5493
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Polypodiaceae
Pyrrosia sp.

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Creeping lithophytic fern on open mossy rocks. Common.

20 October 2013 CPC 5492
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Fabaceae
Desmodium sp.

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Terrestrial herb or undershrub in open road cuts. Flowers light violet to lilac. Abundant.

20 October 2013 CPC 5491
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Sauraiaceae
Sauraia tristyla DC.?

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Tree 4-10 m tall in rather open wet slopes. Flowers light pink. Very common.

20 October 2013 CPC 5490
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan
Photos

FLORA OF VIETNAM
Marattiaceae
Angiopteris sp.

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Terrestrial fern on shady wet slope os small streamlet. Fronds to 2 m long. Not common.

20 October 2013 CPC 5489
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Cucurbitaceae
Gymnopetalum sp.?

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Herbaceous vine 6-8 m long. Flowers whitish. Occasional.

20 October 2013 CPC 5488
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Cordiopteridaceae
Cordiopteris sp.

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Herbaceous vine 6-8 m long. Flowers whitish. Occasional.

20 October 2013 CPC 5487
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Cyatheaceae
Cyathea contuminalis

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Woody fern 3-6 m tall with fronds to 3 m long. Very common. Co-dominant of the second forest stratum on steep humid slopes.

20 October 2013 CPC 5486
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Rosaceae
Rubus alceifolius Poir.

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Climbing shrub or woody vine to 5 m long in open places. Flowers white, fruits red. Very common.

20 October 2013 CPC 5485
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan
Photos

FLORA OF VIETNAM
Fabaceae
Urera prurens?

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Herbaceous vine to 10 m long. Flowers dark violet with yellow center. Very common.

20 October 2013 CPC 5484
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Commelinaceae
Murdannia sp.?

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Terrestrial creeping and ascending herb in rather open wet place along small stream. Flowers light violet. Common.

20 October 2013 CPC 5483
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Araceae
Aglaonema sp.?

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Terrestrial herb in shady wet place along small stream. Spathe light green. Occasional.

20 October 2013 CPC 5482
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Araliaceae
Aralia chinensis?

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Treelet 2-3 m tall in rather open wet place on road cut. Flowers greenish. Common.

20 October 2013 CPC 5481
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Araliaceae
Aralia sp.

Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.

Treelet 2-3 m tall in rather open wet place on road cut. Flowers greenish. Common.

20 October 2013 CPC 5480
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Cycadaceae
Cycas brachycantha

Bac Kan Prov., Ba Be Distr., Ba Be national park, on mountains. Cultivated plant, female cone.

10 October 2013 CPC 5479
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

FLORA OF VIETNAM
Cycadaceae
Cycas brachycantha

Bac Kan Prov., Ba Be Distr., Ba Be national park, on mountains. Secondary broad-leaved dry forest on very steep rocky slopes of remnant mountains composed by solid marble-like crystalline limestone at elevation about 300 m a.s.l.

Trunk 20 cm.

10 October 2013 CPC 5478 A
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

FLORA OF VIETNAM
Convallariaceae
Aspidistra babensis

Bac Kan Prov., Ba Be Distr., Bab Be national park, on mountains near headquarter.

Secondary broad-leaved dry forest on very steep rocky slopes of remnant mountains composed by solid marble-like crystalline limestone at elevation about 300 m a.s.l.

Terrestrial and lithophytic herb with thick semi-woody creeping underground rhizome in shady places. Leaves very dark green, to almost black, fleshy, coriaceous. Locally common.

10 October 2013 CPC 5478
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

Flowered in 01.07.2020, flowers dark purple, L. Averyanov, CPC 5478.1.

FLORA OF VIETNAM
Araliaceae
Schefflera sp.

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.

Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.

Tree 4-5 m tall on rather open rocky slope. Flower buds and flowers yellowish, fragrant. Not common.

8 October 2013 CPC 5477
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

FLORA OF VIETNAM
Rubiaceae
Luculia yunnanensis S.Y.Hu

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.

Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.

Shrub 203 m tall on rather open rocky slope. Flowers white with light purple tint. Very common, particularly among open secondary scrub.

8 October 2013 CPC 5476
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

FLORA OF VIETNAM
Magnoliaceae
Magnolia sp.

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.

Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.

Tree about 5 m tall on rather open rocky slope. Not common.

8 October 2013 CPC 5475
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

FLORA OF VIETNAM
Verbenaceae
Callicarpa sp.?

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.

Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.

Undershrub 1 m tall on open mossy cliff. Flowers blue-violet. Common.

8 October 2013 CPC 5474
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

FLORA OF VIETNAM
Convallariaceae
Ophiopogon sp.

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.

Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.

Terrestrial and lithophytic rosulate herb on shady very steep slope and on cliff shelves. Leaves very dark green to almost black. Locally common.

8 October 2013 CPC 5473
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets
3 living plants

FLORA OF VIETNAM
Begoniaceae
Begonia sp.

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.

Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.

Lithophytic rosulate herb on vertical cliffs in shady humid place in rocky valley. Leaves dark green with light green palmate markings above, light green with purple nerves below. Flowers pink, anther yellow. Locally very common.

8 October 2013 CPC 5472
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

FLORA OF VIETNAM
Gesneriaceae
Rhynchothecum sp.?

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.

Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.

Terrestrial and lithophytic herb to 0.5 m tall in shady humid place in rocky valley. Flowers violet. Occasional.

8 October 2013 CPC 5471
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

FLORA OF VIETNAM
Convallariaceae
Aspidistra sinuata Aver. et al., sp.nov.

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.

Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.

Terrestrial herb with short creeping rhizome in shady humid place in rocky valley. Flower buds dirty dark purple-green. Occasional.

8 October 2013 CPC 5470
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets
3 living specimen.

Flowered in 10 Nov. 2017. Photos. L. Averyanov.

Flowered in 05 Nov. 2020. Photos. L. Averyanov. CPC 5470.2. Garden number 17469.

FLORA OF VIETNAM
Polypodiaceae s.l.
Lepisorus sp.?

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.

Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.

Creeping epiphytic vine in shady humid place in rocky valley. Locally common.

8 October 2013 CPC 5469
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

FLORA OF VIETNAM
Orchidaceae
Phalaenopsis braceana (Hook.f.) Christenson

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E. Primary fractionally logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l. Epiphyte. Occasional.
8 October 2013 CPC 5468a (TM 1092)
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

Fl. in September 2014 and July 2015. Flowers odorless; tepals brown with yellowish margin; lip white, yellowish at the base, epichile purple-violet; column and anther pure white. L.Averyanov. Photos

FLORA OF VIETNAM
Cupressaceae
Xanthocyparis vietnamensis Farjon et T.H.Nguyen

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.

Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.

Tree 8-10 m tall on very steep cliffy rocky north-faced slope. Very rare, 5 alive trees were only found, many old felled and died trees were observed. Tree was extensively logged in the past for timber sale to Chinese dealers.

8 October 2013 CPC 5468
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

FLORA OF VIETNAM
Eria scabrilinguis Lindl.

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E. Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l. Epiphyte.
8 October 2013 CPC 5467c / TM 1081
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

Flowered in cultivation 22 January 2016. Flowers yellowish, lip speckled with purple and purple keels. L.Averyanov

FLORA OF VIETNAM
Orchidaceae
Eria apertiflora Summerh.

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E. Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l. Epiphyte.
8 October 2013 CPC 5467b
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

Flowered in cultivation 10 December 2014. Flowerts white, lip apex yellow. Photos.

FLORA OF VIETNAM
Orchidaceae
Bulbophyllum hymenanthum Hook.f.

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E. Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l. Creeping epiphyte. Not common.
8 October 2013 CPC 5467a
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

FLORA OF VIETNAM
Orchidaceae
Gastrochilus pseudodistichus (King et Pantl.) Schltr.

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.

Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.

Short ascending lithophytic vine to 0.5 m long on mossy rocks along ridge edge. Flowers yellowish, tepals with orange marks, lip epichile white with dull purple marks. Leaves dirty purple spotted. Locally very common.

8 October 2013 CPC 5467
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

FLORA OF VIETNAM
Orchidaceae
Liparis stricklandiana Rchb.f.

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.

Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.

Lithophytic clustering herb on shady rocks. Flowers green. Very common along ridge edge.

8 October 2013 CPC 5466
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

FLORA OF VIETNAM
Orchidaceae
Cymbidium ensifolium (L.) Sw.

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.

Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.

Terrestrial and lithophytic rosulate herb. Flowers yellowish, lip with purple-brown marks. Very common along ridge edge.

8 October 2013 CPC 5465
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

FLORA OF VIETNAM
Magnoliaceae
Michelia sp.

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.

Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.

Treelet 4-5 m tall. Common on ridge edge.

8 October 2013 CPC 5464
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

FLORA OF VIETNAM
Magnoliaceae
Magnolia liliifera (L.) Baill.?

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.

Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.

Treelet 3 m tall. Not common.

8 October 2013 CPC 5463
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

FLORA OF VIETNAM
Polypodiaceae s.l.
Polystichum sp.

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.

Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.

Lithophytic rosulate fern on vertical shady cliff near ridge edge. Locally common.

8 October 2013 CPC 5462
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

FLORA OF VIETNAM
Podophyllaceae
Podophyllum tonkinense Gagnep.

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.

Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.

Terrestrial herb in shady places among rocks. Not common.

8 October 2013 CPC 5461
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets