Справочные данные LE - Этикетки Аверьянова Л. В.

FLORA OF VIETNAM
Equisetaceae
Equisetum diffusum D. Don

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ00.4ʺN 104°52ʹ02.2ʺE, steep rocky slopes of river valley composed with eroded limestone at elevation 1000–1060 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Terrestrial herb among wet open river rocks. Very common. 19 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Quang Ngan, VR 1031 (HN, LE01049203).

FLORA OF VIETNAM
Orchidaceae
Phaius wenshanensis F.Y. Liu

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ00.4ʺN 104°52ʹ02.2ʺE, steep rocky slopes of river valley composed with eroded limestone at elevation 1000–1060 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Terrestrial herb on shady rocky wet slope. Flowers yellow, sepals with brown center. Occasional. 19 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Quang Ngan, VR 1030 (HN, LE01050489).

FLORA OF VIETNAM
Rubiaceae
Spiradiclis sp. 6

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ00.4ʺN 104°52ʹ02.2ʺE, steep rocky slopes of river valley composed with eroded limestone at elevation 1000–1060 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Lithophytic herb on open mossy stream rocks. Flowers white with purple. Not common. 19 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Quang Ngan, VR 1029 (HN, LE01049076).

FLORA OF VIETNAM
Juglandaceae
Engelhardia spicata Blume

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ00.4ʺN 104°52ʹ02.2ʺE, steep rocky slopes of river valley composed with eroded limestone at elevation 1000–1060 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Tree 10-15 m tall along stream. Flowers and young fruits green. Common. 19 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Quang Ngan, VR 1028 (HN, LE01049036).

FLORA OF VIETNAM
Rubiaceae
Nertera sinensis F.B. Forbes & Hemsl.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ00.4ʺN 104°52ʹ02.2ʺE, steep rocky slopes of river valley composed with eroded limestone at elevation 1000–1060 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Dense herb on open mossy stream rocks. Fruits juicy, black. Common. 19 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Quang Ngan, VR 1027 (HN, LE01049071).

FLORA OF VIETNAM
Orchidaceae
Bulbophyllum longibrachiatum Z.H. Tsi

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ00.4ʺN 104°52ʹ02.2ʺE, steep rocky slopes of river valley composed with eroded limestone at elevation 1000–1060 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Creeping epiphyte on mossy tree. Flowers yellow, tepals with purple-brown streaks. Occasional. 19 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Quang Ngan, VR 1026 (HN, LE01050497).

FLORA OF VIETNAM
Melastomataceae
Medinilla assamica (C.B. Clarke) C. Chen

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ00.4ʺN 104°52ʹ02.2ʺE, steep rocky slopes of river valley composed with eroded limestone at elevation 1000–1060 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Scandent shrub 2–3 m tall on rocky slope. Common along stream. 19 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Quang Ngan, VR 1025 (HN, LE01049031).

FLORA OF VIETNAM
Gesneriaceae
Metabriggsia ovalifolia W.T. Wang

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ00.4ʺN 104°52ʹ02.2ʺE, steep rocky slopes of river valley composed with eroded limestone at elevation 1000–1060 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Terrestrial herb 0.5–0.6 m tall on rocky slope. Flowers white with light yellow inside tube. Not common. 19 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Quang Ngan, VR 1024 (HN, LE01049115).

FLORA OF VIETNAM
Balsaminaceae
Impatiens tianlinensis S.X. Yu & L.J. Zhang*

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ00.4ʺN 104°52ʹ02.2ʺE, steep rocky slopes of river valley composed with eroded limestone at elevation 1000–1060 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Terrestrial and lithophytic herb on wet places along river. Flowers yellow. Common. 19 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Quang Ngan, VR 1023 Det.: Sheng Xiang Yu & K.S. Nguyen 14.10.2019. (HN, LE01049035, LE01049075).

FLORA OF VIETNAM
Urticaceae
Lecanthus peduncularis (Royle) Weddell

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ00.4ʺN 104°52ʹ02.2ʺE, steep rocky slopes of river valley composed with eroded limestone at elevation 1000–1060 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Terrestrial and lithophytic herb on wet places along river. Flowers pale pinkish. Very common. 19 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Quang Ngan, VR 1022 (HN, LE01049070).

FLORA OF VIETNAM
Rubiaceae
Ophiorrhiza sp. 4

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ00.4ʺN 104°52ʹ02.2ʺE, steep rocky slopes of river valley composed with eroded limestone at elevation 1000–1060 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Terrestrial and lithophytic herb on wet places along river. Flowers white. Very common. 19 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Quang Ngan, VR 1021 (HN, LE01049030).

FLORA OF VIETNAM
Balsaminaceae
Impatiens sp. 1

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ00.4ʺN 104°52ʹ02.2ʺE, steep rocky slopes of river valley composed with eroded limestone at elevation 1000–1060 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Terrestrial and lithophytic herb on wet places along river, often on mossy stream rocks. Flowers yellowish-white with pink-purple. Very common. 19 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Quang Ngan, VR 1020 (HN, LE01049114).

FLORA OF VIETNAM
Gesneriaceae
Aeschynanthus acuminatus Wall. ex A. DC.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ00.4ʺN 104°52ʹ02.2ʺE, steep rocky slopes of river valley composed with eroded limestone at elevation 1000–1060 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Epiphytic undershrub with pendulous shoots to 1.5 m long. Flowers bright red. Common. 19 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Quang Ngan, VR 1019 (HN, LE01049074).

FLORA OF VIETNAM
Acanthaceae
Asystasia sp.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ00.4ʺN 104°52ʹ02.2ʺE, steep rocky slopes of river valley composed with eroded limestone at elevation 1000–1060 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Terrestrial herb to 1.5 m tall among open mossy rocks. Fruits green, 1-seeded. Not common. 19 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Quang Ngan, VR 1018 (HN, LE01049034).

FLORA OF VIETNAM
Begoniaceae
Begonia palmata D. Don

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ00.4ʺN 104°52ʹ02.2ʺE, steep rocky slopes of river valley composed with eroded limestone at elevation 1000–1060 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Lithophytic and terrestrial herb to 1 m tall on shady rocky slope. Leaves dark uniform green above. Flowers and fruits pink. Petioles green. Very common. 19 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Quang Ngan, VR 1017 (HN, LE01049029, LE01049069).

FLORA OF VIETNAM
Begoniaceae
Begonia hemsleyana Hook.f.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ00.4ʺN 104°52ʹ02.2ʺE, steep rocky slopes of river valley composed with eroded limestone at elevation 1000–1060 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Lithophytic and terrestrial herb on shady rocky slope. Leaves dark green above, often with white spots. Flowers pink. Petiole and stem dull purple. Very common. 19 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Quang Ngan, VR 1016 (HN, LE01049113).

FLORA OF VIETNAM
Convallariaceae
Tupistra nganii K.S. Nguyen, Aver. & N. Tanaka, sp. nov.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ00.4ʺN 104°52ʹ02.2ʺE, steep rocky slopes of river valley composed with eroded limestone at elevation 1000–1060 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Lithophytic herb with leaves to 2 m long in shady wet rocks. Flowers pale yellow. Not rare. 19 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Quang Ngan, VR 1015 (holotype – HN, isotypes HN, LE01042176, LE01042177, LE01042186). New species may be close to T. gracilis Aver. & N. Tanaka, but clearly differs in robust habit, leaves 1.4–2 m long (vs. leaves 0.6–1.6 m long), scape 12–18 cm long (vs. 4.5–18 cm long), bright yellow flowers and stamens as long or longer as as a pistil (vs. flowers light yellowish with almost sessile stamens much shrter than pistil).

FLORA OF VIETNAM
Balsaminaceae
Impatiens chlorosepala Hand.-Mazz.*
(=Impatiens mengtszeana Hook.f.)

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Terrestrial herb on shady rocky slope. Flowers bright yellow. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1014 (HN, LE01049073). Det.: Sheng Xiang Yu & K.S. Nguyen 14.10.2019.

FLORA OF VIETNAM
Polypodiaceae s.str.
Pyrrosia tonkinensis (Giesenh.) Ching

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Epiphyte on mossy trees. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1013 (HN, LE01049033).

FLORA OF VIETNAM
Polypodiaceae s.l.
Loxogramme scolopendrioides (Gaudich.) C.V. Morton

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Epiphyte on mossy trees. Not common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1012 (HN, LE01049024).

FLORA OF VIETNAM
Psilotaceae
Psilotum nudum (L.) P. Beauv.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Epiphyte on big mossy trees. Not common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1011 (HN, LE01049026, LE01049066).

FLORA OF VIETNAM
Polypodiaceae s.l.
Asplenium antrophyoides Christ

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Lithophyte on mossy shady cliffs. Very common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1010 (HN, LE01049108).

FLORA OF VIETNAM
Euphorbiaceae
Sauropus sp. 3.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Scandent shrub in open place. Flowers yellowish-green. Very common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1009 (HN, LE01049068).

FLORA OF VIETNAM
Euphorbiaceae
Phyllanthus sp. 1

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Shrub 1–1.5 m tall in shady place. Flowers green. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1008 (HN, LE01049028).

FLORA OF VIETNAM
Elaeagnaceae
Elaeagnus sarmentosa Rehder?

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Climbing shrub or woody vine to 10 m long in open place among secondary shrubs. Flowers dull yellow. Occasional. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1007 (HN, LE01049112).

FLORA OF VIETNAM
Rubiaceae
Ophiorrhiza sp. 4

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Terrestrial herb to 0.5 m tall in open place along trail. Flowers white. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1006 (HN, LE01049023).

FLORA OF VIETNAM
Simaroubaceae
Picrasma chinensis P.Y. Chen

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Tree 15–20 m tall in rather open place. Fruits green. Not common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1005 (HN, LE01049107).

FLORA OF VIETNAM
Lobeliaceae
Lobelia montana Blume

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Terrestrial herb on shady rocky steep slope. Flowewrs blue-violet, zygomorphic. Not common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1004a (HN, LE01049027).

FLORA OF VIETNAM
Campanulaceae
Cyclocodon lancifolius Kurz

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Terrestrial herb on shady rocky steep slope. Flowers white. Not common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1004 (HN, LE01049067).

FLORA OF VIETNAM
Pandanaceae
Pandanus urophyllus Hance

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Palm-like plant with stem about 1 m tall and leaves to 2 m long on shady rocky steep slope. Not common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1003 (HN, LE01054613).

FLORA OF VIETNAM
Orchidaceae
Podochilus khasianus Hook.f.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Lithophytic herb on shady mossy cliff. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1002 (HN, LE01050493).

FLORA OF VIETNAM
Fabaceae
Desmodium heterocarpon (L.) DC.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Terrestrial herb 1 m tall in open grassy place along trail. Flowers blue. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1001 (HN, LE01049111).

FLORA OF VIETNAM
Gesneriaceae
Paraboea sp. 1

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Terrestrial herb on shady rocky slope. Very rare. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1000 (HN, LE01049022).

FLORA OF VIETNAM
Convallariaceae
Ophiopogon pingbienensis F.T. Wang & L.K. Dai

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Terrestrial herb on shady rocky slope. Not common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 999 (HN, LE01054182).

FLORA OF VIETNAM
Orchidaceae
Bulbophyllum tipula Aver.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Epiphyte on mossy tree. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 998 (HN, LE01054257).

FLORA OF VIETNAM
Orchidaceae
Appendicula hexandra (J. Koenig) J.J. Sm.?

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Lithophyte on mossy exposed rocks. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 997 (HN, LE01054256).

FLORA OF VIETNAM
Orchidaceae
Eria globulifera Seidenf.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Epiphyte on mossy tree. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 996 (HN, LE01054255).

FLORA OF VIETNAM
Asteraceae
Gynura divaricata (L.) DC

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Lithophyte on mossy exposed rocks. Leaves light green to dark purple. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 995 (HN, LE01054181). Det. A. Sennikov 12 09 2019, Gynura divaricata (L.) DC. Det.: I. Illarionova 17.10.2019.

FLORA OF VIETNAM
Aceraceae
Acer tonkinense Lecomte

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Tree 10-12 m tall on rocky slope. Flowers green to pinkish. Very common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 994 (HN, LE01054180).

FLORA OF VIETNAM
Gesneriaceae
Paraboea nutans D. Fang & D.H. Qin

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Lithophyte on shady cliff. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 993 (HN, LE01054179).

FLORA OF VIETNAM
Orchidaceae
Coelogyne fimbriata Lindl.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Lithophyte on mossy rocks and occasionally epiphyte. Flowers pale light yellow, epichile brown. Very common to abundant. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 992 (HN, LE01054253, LE01054254).

FLORA OF VIETNAM
Ebenaceae
Diospyros morrisiana Hance?
(Diospyros curranii Merr.?)

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Tree about 10 m tall on steep rocky slope. Very common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 991 (HN, LE01054177, LE01054178).

FLORA OF VIETNAM
Orchidaceae
Pholidota yunnanensis Rolfe

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Creeping lithophyte on mossy rocks and occasionally epiphyte. Very common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 990 (HN, LE01054252).

FLORA OF VIETNAM
Orchidaceae
Bulbophyllum andersonii (Hook.f.) J.J. Sm.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Creeping lithophyte on mossy rocks. Flowers pale purple. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 989 (HN, LE01054251).

FLORA OF VIETNAM
Orchidaceae
Bulbophyllum longibrachiatum Z.H. Tsi

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Creeping epiphyte on mossy trees and occasionally lithophyte. Flowers yellowish, sepals with purple-brown streaks. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 988 (HN, LE01054250).

FLORA OF VIETNAM
Orchidaceae
Bulbophyllum apodum Hook.f.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Creeping epiphyte on mossy trees and occasionally lithophyte. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 987 (HN, LE01054249).

FLORA OF VIETNAM
Orchidaceae
Flickingeria angustifolia (Blume) A.D. Hawkes

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Epiphyte on mossy trees and occasionally lithophyte. Not rare. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 986 (HN, LE01054248).

FLORA OF VIETNAM
Oleaceae
Jasminum sp. 1

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Scandent shrub in open place along stream. Not rare. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 985 (HN, LE01054176).

FLORA OF VIETNAM
Sauraiaceae
Saurauia napaulensis DC.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Treelet 4–5 m tall in open place along stream. Flowers pink. Not rare. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 984 (HN, LE01054175).

FLORA OF VIETNAM
Melastomataceae
Phyllagathis sp. 2

Ha Giang prov., Quan Ba distr., Tung Vai commune, Lung Kho village, around point 23°02ʹ55.0ʺN 104°56ʹ01.4ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 900–980 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Terrestrial herb in shady place. Leaves almost black above, dark purple below. Not common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 983 (HN, LE01054174).