Справочные данные LE - Этикетки Аверьянова Л. В.

FLORA OF VIETNAM
Polypodiaceae s.l. Dryopteridaceae
Polystichum dielsii 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. Terrestrial and lithophytic fern on steep rocky mossy slope. Not rare. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 982 (HN, LE01054173).

FLORA OF VIETNAM
Solanaceae
Lycianthes biflora Bitter

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. Herb to 1.5 m tall in open place. Flowers white with violet tint. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 981 (HN, LE01054172).

FLORA OF VIETNAM
Celastraceae
Euonymus pseudovagans Pit.

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 2-3 m tall on rocky slope. Fruits dull yellowish. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 980 (HN, LE01049795, LE01054171). Det.: I. Savinov 26.04.2019.

FLORA OF VIETNAM
Convallariaceae
Ophiopogon dracaenoides (Baker) 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 undershrub to 1 m tall in shady place. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 979 (HN, LE01054170).

FLORA OF VIETNAM
Piperaceae
Zippelia begoniifolia 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 in shady place. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 978 (HN, LE01054169).

FLORA OF VIETNAM
Euphorbiaceae
Sauropus 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 2-3 m tall on shady rocky slope. Fruits purple. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 977 (HN, LE01054168).

FLORA OF VIETNAM
Polypodiaceae s.l.
Cyrtogonellum fraxinellum (Christ) 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. Terrestrial fern on shady rocky slope. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 976 (HN, LE01054167).

FLORA OF VIETNAM
Orchidaceae
Holcoglossum wangii Christenson

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 tall mossy trees. Not common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 975 (HN, LE01054247).

FLORA OF VIETNAM
Polypodiaceae s.l.
Lygodium japonicum (Thunb.) Sw.?

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 fern with vine fronds to 6 m long in open place. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 974 (HN, LE01054166).

FLORA OF VIETNAM
Cucurbitaceae
Trichosanthes tricuspidata Lour.

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. Herbaceous vine 4-5 m long in open place. Fruits green with indistinct whitish longitudinal stripes.. Occasional. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 973 (HN, LE01054165).

FLORA OF VIETNAM
Myrsinaceae
Ardisia 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. Small shrub. Fruits green, pedicels purplish. Occasional. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 972 (HN, LE01054164).

FLORA OF VIETNAM
Urticaceae
Elatostema myrtillus (H. Lév.) Hand.-Mazz.

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 and lithophytic herb along stream. Flowers whitish. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 971 (HN, LE01054163).

FLORA OF VIETNAM
Apocynaceae
Cynanchum sp.

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. Herbaceous vine 3-4 m long in open place. Flowers white. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 970 (HN, LE01054162). Det.: M. Rodda 11.10.2019.

FLORA OF VIETNAM
Pittosporaceae
Pittosporum napaulense (DC.) Rehder & E.H.Wilson

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 or shrub about 4 m tall. Fruits dull yellowish. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 969 (HN, LE01054161).

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 with stems to 1.5 m long on very steep slope. Occasional. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 968 (HN, LE01054160).

FLORA OF VIETNAM
Gesneriaceae
Paraboea sinensis (Oliv.) B.L. Burtt

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 mossy exposed rocks. Not rare. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 967 (HN, LE01054159).

FLORA OF VIETNAM
Polypodiaceae s.l. Aspleniaceae
Asplenium pulcherrimum (Baker) 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. Lithophytic fern on shady mossy cliff. Not rare. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 966 (HN, LE01054158).

FLORA OF VIETNAM
Menispermaceae
Tinospora glabra (Burm.f.) 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. Herbaceous vine to 5 m long in open place. Flowers green. Occasional. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 965 (HN, LE01054157).

FLORA OF VIETNAM
Annonaceae
Melodorum sp.

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 2 m tall. Fruits dark gray to almost black. Not common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 964 (HN, LE01054156).

FLORA OF VIETNAM
Orobanchaceae
Aeginetia sinensis Beck*

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. Achlorophyllous parasitic herb in shady place. Stem and floral bract light pale yellow, Flowers pure white, tepals on margin with purple tint. Not common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 963 (HN, LE01054155).

FLORA OF VIETNAM
Musaceae
Musa balbisiana Colla

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. Giant herb with leaves 4–5 m tall in open wet place. Common. 18 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 962 (HN, LE01054153, LE01054154).

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

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ38.6ʺN 104°56ʹ06.8ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Terrestrial and lithophytic herb to 1 m tall in rather wet shady place. Flowers bright yellow. Tepals inside with many reddish-orange small spots. Occasional. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 961. Det.: Sheng Xiang Yu & K.S. Nguyen 14.10.2019. (HN, LE01054151, LE01054152).

FLORA OF VIETNAM
Begoniaceae
Begonia subhowii S.H. Huang

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Lithophytic herb on open mossy rocks on steep rocky slope to a big cave. Locally abundant, but only inside and around the cave. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 960 (HN, LE01054149).

FLORA OF VIETNAM
Lamiaceae
Microtoena subspicata C.Y. Wu

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Erect herb to 1 m tall among open rocks along trail. Flowers yellow. Not rare. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 959 (HN, LE01054148).

FLORA OF VIETNAM
Balanophoraceae
Balanophora laxiflora Hemsl.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Achlorophyllous root ground bright red parasite on steep shady stream slope. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 958 (HN, LE01054147).

FLORA OF VIETNAM
Polypodiaceae s.l. Dryopteridaceae
Hypodematium crenatum Kuhn & Decken

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Lithophytic fern on vertical shady cliff. Not Rare. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 957 (HN, LE01054145, LE01054146).

FLORA OF VIETNAM
Urticaceae
Elatostema nasutum Hook.f.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Terrestrial and lithophytic herb on steep rocky slope. Inflorescence whitish. Common. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 956 (HN, LE01054144).

FLORA OF VIETNAM
Cucurbitaceae
Trichosanthes cucumeroides Maxim.*

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Herbaceous vine to 5 m long in open shrubs along stream. Fruits bright red, sometimes with greenish longitudinal stripes. Not common. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 955 (HN, LE01054143).

FLORA OF VIETNAM
Urticaceae
Pilea notata C.H. Wright

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Erect terrestrial and lithophytic herb on rocky stream slope. Leaves dark purple below. Inflorescences pale pinkish. Not rare. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 954 (HN, LE01054142).

FLORA OF VIETNAM
Urticaceae
Pilea elliptilimba C.J. Chen

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Erect terrestrial and lithophytic herb on rocky stream slope. Not rare. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 953 (HN, LE01054141).

FLORA OF VIETNAM
Polypodiaceae s.l.
Hymenasplenium cheilosorum (Kunze ex Mett.) Tag.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Terrestrial and lithophytic fern on shady rocky stream slope. Not rare. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 952 (HN, LE01054140).

FLORA OF VIETNAM
Marattiaceae
Angiopteris evecta (G. Forst.) Hoffm.?

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Terrestrial fern on shady rocky stream slope. Leaves to 3 m long. Not rare. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 951 (HN, LE01054138, LE01054139).

FLORA OF VIETNAM
Oleaceae
Jasminum elongatum Blume?

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Scandent shrub 1.5–2 m tall on open grassy rocky slope. Flowers white. Not rare. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 950 (HN, LE01054150).

FLORA OF VIETNAM
Rubiaceae
Luculia yunnanensis S.Y. Hu

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Shrub 1.5–2 m tall on open grassy rocky slope. Flowers white, sometime with light purple tint. Very common in secondary open scrub. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 949 (HN, LE01049836).

FLORA OF VIETNAM
Valerianaceae
Patrinia villosa (Thunb.) Dufr.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Terrestrial herb to 1.5–2 m tall on open grassy rocky slope. Flowers light yellow. Occasional. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 948 (HN, LE01049754).

FLORA OF VIETNAM
Melastomataceae
Oxyspora paniculata (D. Don) DC.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Shrub 1.5–2 m tall on open grassy rocky slope. Flowers purple. Very common in secondary open scrub. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 947 (HN, LE01049796).

FLORA OF VIETNAM
Asteraceae
Aster trinervius D. Don

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Terrestrial herb to 1 m tall in open place along agricultural field. Central flowers yellowish, marginal light violet. Common weed. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 946. Det.: A. Sennikov 12.09.2019. (HN, LE01055964).

FLORA OF VIETNAM
Orchidaceae
Holcoglossum wangii Christenson

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Epiphyte on mossy tree. Flowers light pinkish, lip with yellow and purple-brownish streaks. Not common. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 945 (HN, LE01058152).

FLORA OF VIETNAM
Lamiaceae
Elsholtzia cypriani (Pavol.) C.Y. Wu & S. Chow

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Terrestrial herb to 1 m tall in open place along agricultural field. Flowers light pink-violet. Common weed. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 944 (HN, LE01049756).

FLORA OF VIETNAM
Begoniaceae
Begonia longifolia Blume

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Terrestrial herb to 2 m tall on rocky slope. Leaves, petioles and stem uniform green. Occasional. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 943 (HN, LE01049837).

FLORA OF VIETNAM
Begoniaceae
Begonia truncatiloba Irmscher

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Terrestrial herb to 1 m tall on steep rocky slope. Flowers white, anthers yellow, leaves uniform light green, petioles light dull pinkish. Occasional. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 942 (HN, LE01049757, LE01049797).

FLORA OF VIETNAM
Carlemanniaceae
Silvianthus tonkinensis (Gagnep.) Ridsdale

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Shrub 3-4 m tall on open wet rocky place. Not common. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 941 (HN, LE01049833).

FLORA OF VIETNAM
Scrophulariaceae
Scrophularia ningpoensis Hemsl.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Terrestrial herb to 1.5 m tall on open wet rocky place along small stream. Not common. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 940 (HN).

FLORA OF VIETNAM
Begoniaceae
Begonia hemsleyana Hook.f.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Lithophytic and terrestrial herb to 1 m tall on rocky steep slope. Leaves uniform green, petioles red. Flowers pink, anthers yellow. Not rare. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 939 (HN, LE01049753, LE01049793).

FLORA OF VIETNAM
Gesneriaceae
Chirita crassifolia Aver. & K.S. Nguyen, sp. nov.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Lithophytic rosulate herb on exposed cave rocks. Flowers blue with darker streaks. Locally abundant, but only inside and around the cave. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 938 (holotype – LE01049788, isotypes – HN, LE01049828). From closest Chirita minutimaculata D.Fang & W.T.Wang new species differs in succulent densely villous leaves abaxially uniform pale green (vs. leaves leathery, thin, not succulent, sparsely puberulent) and well recurved oblong, more than tvise longer than broad free corolla lobes (free corolla lobes half circular as long as broad, hardly recurved). Our plant may be also close to poorly known C. mollifolia D.Fang & Y.G.Wei & J.Murata and C. longgangensis W.T.Wang from which differs in colorm, shape and size of flowers.

FLORA OF VIETNAM
Urticaceae
Pilea notata C.H. Wright

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Erect lithophytic herb to 1 m tall on mossy rocks. Leaves dark green above, dark purple-violet below, flowers light green. Common. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 937 (HN, LE01049748).

FLORA OF VIETNAM
Convallariaceae
Disporopsis longifolia Craib

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Lithophytic herb on mossy rocks on rocky slope. Fruits green. Not common. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 936 (HN, LE01049832).

FLORA OF VIETNAM
Begoniaceae
Begonia truncatiloba Irmscher

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Lithophytic herb on rocks in deep cave shady. Leaves dark velvety green, fluorescent with bright blue. Petioles dull reddish. Not common, found only in cave shade. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 935 (HN, LE01049752, LE01049792).

FLORA OF VIETNAM
Urticaceae
Elatostema sp. 2

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ28.9ʺN 104°55ʹ32.0ʺE, steep rocky slope to large deep cave composed with highly eroded marble-like white limestone at elevation 900–1000 m a.s.l. Secondary evergreen broad-leaved very humid forest with bamboo. Lithophytic herb on mossy rocks in shady place. Flowers light green to almost white. Common. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 934 (HN, LE01049827).

FLORA OF VIETNAM
Polypodiaceae s.str.
Microsorum superficiale (Blume) Ching

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ38.6ʺN 104°56ʹ06.8ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Lithophytic fern on mossy rocks in shady place. Common. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 933 (HN, LE01049787).