Herbarium LE - Specimens

FLORA OF VIETNAM Ranunculaceae Clematis sp? Ha Giang province, Quan Ba district, Can Ty commune, Dau Cau 1 village, around point 23°05′45.1′′N, 105°01′02.7′′E, at elevation of 1050 m a.s.l Primary evergreen broad-leaved forest mixed with conifers (Xanthocyparis vietnamensis, Nageia fleuryi, Pseudotsuga sinensis, Calocedrus rupestris) at the top of rocky limestone mountain. Liana about 2-4 m, flower dull white adaxial, greenish abaxial. Not common. NSK 868, May 11, 2017 Collectors: Nguyen Sinh Khang, Chu Thi Thu Ha & Nguyen Phuong Hanh.

FLORA OF VIETNAM. Asparagaceae. Aspidistra sp. Ha Giang province, Quan Ba district, Can Ty commune, Dau Cau 1 village, around point 23°06?20.5??N, 105°01?04.5??E, at elevation of 1100 m a.s.l. Primary evergreen broad-leaved forest mixed with conifers (Xanthocyparis vietnamensis, Nageia fleuryi, Pseudotsuga sinensis, Calocedrus rupestris, Taxus chinensis) at the top of rocky limestone mountain, under shaded places at the middle of mountains. Terrestrial or lithophytic perennial herb; single flower at adaxial leaf base, tepals green and turn brown when dried. Very common,. VP 053, December 19, 2016. Collectors: Nguyen Sinh Khang, Nguyen Phuong Hanh, Ly Ngoc Sam & Thomas Haevermans

FLORA OF VIETNAM Cupressaceae Xanthocyparis vietnamensis Farjon & T.H. Nguyen Ha Giang prov., Quan Ba distr., Bat Dai Son Nature Reserve, Bat Dai Son commune, Pai Chu Phin village, around point 23º07ʹ54.9ʺN 104º59ʹ24.1ʺE, 1000-1220 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen broad-leaved and coniferous (with Pseudotsuga sinensis) humid forest on steep rocky slopes near mountain tops. Tree about 10 m tall, 25 cm DBH on rocky mountain top. Rare (5 trees seen). 16 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 267.

All photos © L. Averyanov & K.S. Nguyen

FLORA OF VIETNAM Cupressaceae Xanthocyparis vietnamensis Farjon & T.H. Nguyen Ha Giang prov., Quan Ba distr., Bat Dai Son Nature Reserve, Bat Dai Son commune, Pai Chu Phin village, around point 23º07ʹ54.9ʺN 104º59ʹ24.1ʺE, 1000-1220 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen broad-leaved and coniferous (with Pseudotsuga sinensis) humid forest on steep rocky slopes near mountain tops. Tree about 10 m tall, 25 cm DBH on rocky mountain top. Rare (5 trees seen). 16 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 267.

All photos © L. Averyanov & K.S. Nguyen

FLORA OF VIETNAM Cupressaceae Xanthocyparis vietnamensis Farjon & T.H. Nguyen Ha Giang prov., Quan Ba distr., Bat Dai Son Nature Reserve, Bat Dai Son commune, Pai Chu Phin village, around point 23º07ʹ54.9ʺN 104º59ʹ24.1ʺE, 1000-1220 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen broad-leaved and coniferous (with Pseudotsuga sinensis) humid forest on steep rocky slopes near mountain tops. Tree about 10 m tall, 25 cm DBH on rocky mountain top. Rare (5 trees seen). 16 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 267.

All photos © L. Averyanov & K.S. Nguyen

FLORA OF VIETNAM Cupressaceae Xanthocyparis vietnamensis Farjon & T.H. Nguyen Ha Giang prov., Quan Ba distr., Bat Dai Son Nature Reserve, Bat Dai Son commune, Pai Chu Phin village, around point 23º07ʹ54.9ʺN 104º59ʹ24.1ʺE, 1000-1220 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen broad-leaved and coniferous (with Pseudotsuga sinensis) humid forest on steep rocky slopes near mountain tops. Tree about 10 m tall, 25 cm DBH on rocky mountain top. Rare (5 trees seen). 16 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 267.

All photos © L. Averyanov & K.S. Nguyen

FLORA OF VIETNAM Rubiaceae Spiradiclis purpureocaerulea H.S. Lo Ha Giang province, Quan Ba district, Can Ty commune, Dau Cau 1 village, around point 23°05?45.1??N, 105°01?02.7??E, at elevation of 1050 m a.s.l Primary evergreen broad-leaved forest mixed with conifers (Xanthocyparis vietnamensis, Nageia fleuryi, Pseudotsuga sinensis, Calocedrus rupestris) at the top of rocky limestone mountain. Perennial herb 20-40 cm, flower purple to red on abaxial corolla, and white – purplish adaxial corolla. Common. NSK 872, May 11, 2017. Nguyen Sinh Khang, Chu Thi Thu Ha & Nguyen Phuong Hanh.

FLORA OF VIETNAM Rubiaceae Spiradiclis purpureocaerulea H.S. Lo Ha Giang province, Quan Ba district, Can Ty commune, Dau Cau 1 village, around point 23°05?45.1??N, 105°01?02.7??E, at elevation of 1050 m a.s.l Primary evergreen broad-leaved forest mixed with conifers (Xanthocyparis vietnamensis, Nageia fleuryi, Pseudotsuga sinensis, Calocedrus rupestris) at the top of rocky limestone mountain. Perennial herb 20-40 cm, flower purple to red on abaxial corolla, and white – purplish adaxial corolla. Common. NSK 872, May 11, 2017. Nguyen Sinh Khang, Chu Thi Thu Ha & Nguyen Phuong Hanh.

FLORA OF VIETNAM Myrtaceae Decaspermum sp. Ha Giang province, Quan Ba district, Can Ty commune, Dau Cau 1 village, around point 23°05?45.1??N, 105°01?02.7??E, at elevation of 1050 m a.s.l Primary evergreen broad-leaved forest mixed with conifers (Xanthocyparis vietnamensis, Nageia fleuryi, Pseudotsuga sinensis, Calocedrus rupestris) at the top of rocky limestone mountain. Treelet 3-5 m, flower red-purple. Not common. NSK 869, May 11, 2017. Nguyen Sinh Khang, Chu Thi Thu Ha & Nguyen Phuong Hanh.

FLORA OF VIETNAM Gesneriaceae Calcareoboea coccinea C.Y. Wu ex H.W. Li Ha Giang province, Quan Ba district, Can Ty commune, Dau Cau 1 village, around point 23°05?45.1??N, 105°01?02.7??E, at elevation of 1050 m a.s.l Primary evergreen broad-leaved forest mixed with conifers (Xanthocyparis vietnamensis, Nageia fleuryi, Pseudotsuga sinensis, Calocedrus rupestris) at the top of rocky limestone mountain. Perennial herb 20-30 cm, flower bright red. Common. NSK 873, May 11, 2017. Nguyen Sinh Khang, Chu Thi Thu Ha & Nguyen Phuong Hanh.

FLORA OF VIETNAM Myrtaceae Decaspermum sp Ha Giang province, Quan Ba district, Can Ty commune, Dau Cau 1 village, around point 23°05?45.1??N, 105°01?02.7??E, at elevation of 1050 m a.s.l Primary evergreen broad-leaved forest mixed with conifers (Xanthocyparis vietnamensis, Nageia fleuryi, Pseudotsuga sinensis, Calocedrus rupestris) at the top of rocky limestone mountain. Treelet 3-5 m, flower red-purple. Not common. NSK 869, May 11, 2017. Nguyen Sinh Khang, Chu Thi Thu Ha & Nguyen Phuong Hanh.

FLORA OF VIETNAM Sterculiaceae Sloanea mollis Gagnep. Ha Giang Prov., Quan Ba Distr., Can Ty Commune, Sin Suoi Ho Village, around point 23.09566ºN 105.02142ºE. Very steep mountain slopes composed of solid highly eroded karstic limestone at elevation 800–1000 m a.s.l. Remnants of primary evergreen broad-leaved and coniferous (with Calocedrus rupestris and Xanthocyparis vietnamensis) humid forest. Tree 15-20 m tall. Young fruits light green, old fruits brown, with soft hairs. Occasional. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1554.

FLORA OF VIETNAM Tiliaceae Burretiodendron hsienmu W.Y. Chun & F.C. How ( = Excentrodendron tonkinense (A. Chevalier) Hung T. Chang & R. H. Miao) Ha Giang Prov., Quan Ba Distr., Can Ty Commune, Sin Suoi Ho Village, around point 23.09566ºN 105.02142ºE. Very steep mountain slopes composed of solid highly eroded karstic limestone at elevation 800–1000 m a.s.l. Remnants of primary evergreen broad-leaved and coniferous (with Calocedrus rupestris and Xanthocyparis vietnamensis) humid forest. Tree to 35 m tall an diameter more than I m. Very common. Many seedling and saplings were observed. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1595 (LE01061312 – photo).

All photos © L. Averyanov & K.S. Nguyen

FLORA OF VIETNAM Cupressaceae Xanthocyparis vietnamensis Farjon & T.H. Nguyen Ha Giang prov., Quan Ba distr., Bat Dai Son Nature Reserve, Thanh Van commune, Tan village, Thong (Conifer) Mountain, around point 23º07ʹ40.3ʺN 104º57ʹ11.2ʺE, at elevation 1000-1195 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen broad-leaved and coniferous (with Pseudotsuga sinensis) humid forest on steep rocky slopes near mountain tops. Tree to 15 m tall. Rare due to logging. 19 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 445.

All photos © L. Averyanov & K.S. Nguyen

FLORA OF VIETNAM
Orchidaceae
Cryptostylis arachnites (Blume) Hassk.

N.Vietnam, Ha Giang Prov., Quan Ba Distr., Can Ty Municipality, Tia Sung Valley Bat Dai Son Natural Reserve around point 22005′792 N 1050 01′010 E. Near primary closed evergreen dry broad-leaved mixed needles forest on steep slopes of remnant or top mountains limestone at elevation 1220 m a.s.l. Terrestrial herb up to 20- 30 cm tall. lip red. on top with Nageia fleury, Taxus chinensis, Xanthocyparis Vietnamensis, Paphiopedilum henryanum, P. malipoensae, P. micranthum (Photos) NTH 5420 January 2003.
Coll. Nguyen Tien Hiep, To Quang Thao

All photos © L. Averyanov & K.S. Nguyen

FLORA OF VIETNAM

All photos © L. Averyanov & K.S. Nguyen

All photos © L. Averyanov & K.S. Nguyen

All photos © L. Averyanov & K.S. Nguyen

All photos © L. Averyanov & K.S. Nguyen

FLORA OF VIETNAM

All photos © L. Averyanov & K.S. Nguyen

FLORA OF VIETNAM

All photos © L. Averyanov & K.S. Nguyen

FLORA OF VIETNAM

All photos © L. Averyanov & K.S. Nguyen

FLORA OF VIETNAM

All photos © L. Averyanov & K.S. Nguyen

All photos © L. Averyanov & K.S. Nguyen

FLORA OF VIETNAM

FLORA OF VIETNAM

FLORA OF VIETNAM Cupressaceae Calocedrus rupestris Aver. & T.H.Nguyên & P.K.Lôc Ha Giang Prov., Quan Ba Distr., Can Ty Commune, Sin Suoi Ho Village, around point 23.09566ºN 105.02142ºE. Very steep mountain slopes composed of solid highly eroded karstic limestone at elevation 800–1000 m a.s.l. Remnants of primary evergreen broad-leaved and coniferous (with Calocedrus rupestris and Xanthocyparis vietnamensis) humid forest. Tree 7 m tall on mountain top. Common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1577.

FLORA OF VIETNAM Polypodiaceae s.l. (Aspleniaceae) Asplenium dianguiense X.C. Zhang Ha Giang Prov., Quan Ba Distr., Can Ty Commune, Sin Suoi Ho Village, around point 23.09566ºN 105.02142ºE. Very steep mountain slopes composed of solid highly eroded karstic limestone at elevation 800–1000 m a.s.l. Remnants of primary evergreen broad-leaved and coniferous (with Calocedrus rupestris and Xanthocyparis vietnamensis) humid forest. Terrestrial and lithophytic fern on steep rocky slope. Occasional. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1555.

FLORA OF VIETNAM Convallariaceae Ophiopogon tonkinensis L. Rodr. Ha Giang Prov., Quan Ba Distr., Can Ty Commune, Sin Suoi Ho Village, around point 23.09566ºN 105.02142ºE. Very steep mountain slopes composed of solid highly eroded karstic limestone at elevation 800–1000 m a.s.l. Remnants of primary evergreen broad-leaved and coniferous (with Calocedrus rupestris and Xanthocyparis vietnamensis) humid forest. Terrestrial herb in shady place among rocks. Occasional. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1551.

FLORA OF VIETNAM Ebenaceae Diospyros curranii Merr. Ha Giang Prov., Quan Ba Distr., Can Ty Commune, Sin Suoi Ho Village, around point 23.09566ºN 105.02142ºE. Very steep mountain slopes composed of solid highly eroded karstic limestone at elevation 800–1000 m a.s.l. Remnants of primary evergreen broad-leaved and coniferous (with Calocedrus rupestris and Xanthocyparis vietnamensis) humid forest. Tree 10-15 m tall. Fruits light dull brownish. Common. Timber of a good quality. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1550.

FLORA OF VIETNAM

FLORA OF VIETNAM Euphorbiaceae Phyllanthus elegans Wall. Ha Giang Prov., Quan Ba Distr., Can Ty Commune, Sin Suoi Ho Village, around point 23.09566ºN 105.02142ºE. Very steep mountain slopes composed of solid highly eroded karstic limestone at elevation 800–1000 m a.s.l. Remnants of primary evergreen broad-leaved and coniferous (with Calocedrus rupestris and Xanthocyparis vietnamensis) humid forest. Shrub 2-3 m tall in open place. Fruits light yellowish-green. Occasional. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1557.

FLORA OF VIETNAM Fagaceae Quercus glauca Thunb. Ha Giang Prov., Quan Ba Distr., Can Ty Commune, Sin Suoi Ho Village, around point 23.09566ºN 105.02142ºE. Very steep mountain slopes composed of solid highly eroded karstic limestone at elevation 800–1000 m a.s.l. Remnants of primary evergreen broad-leaved and coniferous (with Calocedrus rupestris and Xanthocyparis vietnamensis) humid forest. Tree 7-10 m tall on mountain top. Seeds glossy green. Not common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1559.

FLORA OF VIETNAM Poaceae (Bambusoideae) Vietnamcalamus sp. Ha Giang Prov., Quan Ba Distr., Can Ty Commune, Sin Suoi Ho Village, around point 23.09566ºN 105.02142ºE. Very steep mountain slopes composed of solid highly eroded karstic limestone at elevation 800–1000 m a.s.l. Remnants of primary evergreen broad-leaved and coniferous (with Calocedrus rupestris and Xanthocyparis vietnamensis) humid forest. Woody grass about 3 m tall on rocky top of mountain. Very common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1567.

FLORA OF VIETNAM Gesneriaceae Paraboea nutans D. Fang & D.H. Qin Ha Giang Prov., Quan Ba Distr., Can Ty Commune, Sin Suoi Ho Village, around point 23.09566ºN 105.02142ºE. Very steep mountain slopes composed of solid highly eroded karstic limestone at elevation 800–1000 m a.s.l. Remnants of primary evergreen broad-leaved and coniferous (with Calocedrus rupestris and Xanthocyparis vietnamensis) humid forest. Lithophytic rosulate herb on shady mossy vertical cliff. Leaves dark green above, almost gray-white below. Not common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1569.

FLORA OF VIETNAM Polypodiaceae s.l. (Tectariaceae) Tectaria polymorpha (Wall. ex Hook.) Copel. Ha Giang Prov., Quan Ba Distr., Can Ty Commune, Sin Suoi Ho Village, around point 23.09566ºN 105.02142ºE. Very steep mountain slopes composed of solid highly eroded karstic limestone at elevation 800–1000 m a.s.l. Remnants of primary evergreen broad-leaved and coniferous (with Calocedrus rupestris and Xanthocyparis vietnamensis) humid forest. Terrestrial fern in shady rocky place. Common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1573.

FLORA OF VIETNAM Begoniaceae Begonia pseudodryadis C.Y. Wu var. bitepala Aver., var. nov. Ha Giang Prov., Quan Ba Distr., Can Ty Commune, Sin Suoi Ho Village, around point 23.09566ºN 105.02142ºE. Very steep mountain slopes composed of solid highly eroded karstic limestone at elevation 800–1000 m a.s.l. Remnants of primary evergreen broad-leaved and coniferous (with Calocedrus rupestris and Xanthocyparis vietnamensis) humid forest. Rosulate lithophytic herb on vertical shady mossy cliff. Leaves dark olive-green with irregular whitish spots above, pale purple with light greenish spots below. Flowers light pink-purple, anther yellow. Locally common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1571.

FLORA OF VIETNAM

FLORA OF VIETNAM Polypodiaceae s.l. Antrophyum callifolium Blume Ha Giang Prov., Quan Ba Distr., Can Ty Commune, Sin Suoi Ho Village, around point 23.09566ºN 105.02142ºE. Very steep mountain slopes composed of solid highly eroded karstic limestone at elevation 800–1000 m a.s.l. Remnants of primary evergreen broad-leaved and coniferous (with Calocedrus rupestris and Xanthocyparis vietnamensis) humid forest. Lithophytic fern on shady mossy cliff. Common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1575.

FLORA OF VIETNAM