Herbarium LE - Specimens

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

FLORA OF VIETNAM

FLORA OF VIETNAM Convallariaceae Rohdea wattii (C.B.Clarke) Yamashita & M.N.Tamura (= Tupistra wattii (C.B. Clarke) Hook.f.) 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. Flowers and flower bracts green. Very common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1579.

FLORA OF VIETNAM Euphorbiaceae Trigonostemon thyrsoideus Stapf 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. Treelet of shrub 3-5 m tall and 3-4 cm in diameter. Fruits light green. Common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1582.

FLORA OF VIETNAM Gesneriaceae Ornithoboea wildeana Craib 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 herb to 1 m tall on steep rocky slope. Very common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1584.

FLORA OF VIETNAM Polypodiaceae s.l. Asplenium unilaterale Lam. 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 occasionally lithophytic fern on shady very steep rocky slope. Common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1587.

FLORA OF VIETNAM Poaceae (Bambusoideae) Neomicrocalamus prainii (Gamble) Keng f.* 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 with pendulous stems to 10 m long on very steep rocky slopes and cliffs. Locally very common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1580.

FLORA OF VIETNAM Gesneriaceae Hemiboea malipoensis Y.H. Tan 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 to 1.5 m tall on shady very steep rocky slope. Flowers yellow. Common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1589.

FLORA OF VIETNAM

FLORA OF VIETNAM Vitaceae Cayratia corniculata 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. Herbaceous or semiwoody vine to 4 m long in open rocky place. Fruits white. Common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1592.

FLORA OF VIETNAM Convallariaceae Aspidistra obliqua K.S. Nguyen & Aver., sp. 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. Terrestrial rhizomatous herb in shady place among rocks. Leaves rigid, velvety dark green with unclear yellowish spots, pale green below. Flowers almost entirely black, stigma at apex yellow, below black. Not common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1548 (holotype – LE 01067134, isotype – HN).

From most close Aspidistra clausa var. latifolia and A. zhangii new species differs in velvetyleaves, almost black perianth lobes, 1–3 filaments fused with stile andstrongly oblique pistil with light yellowish transversely elliptic or circularunlobed stigma.

New species?

FLORA OF VIETNAM
Orchidaceae
Eria coronaria (Lindl.) Rchb.f.

Son La Prov., Yen Chau Distr., Muong Lum Municipality, Xao village, around point 20°59′54″N 104°38′47″E.

Broad-leaved and coniferous (with Pinus kwangtungensis and Calocedrus rupestris) evergreen forest on steep slopes and on tops of ridge composed with rocky crystalline solid marble-like highly eroded limestone at elev. 1100-1300 m a.s.l.

Lithophytic herb on mossy rocks along ridge edge. Flowers white, lip with purple striped side-lobes and yellow center. Very common.

HAL 9502 04 Nov. 2006
Coll.: Nguyen Tien Hiep, L.Averyanov, Pham Van The.

FLORA OF VIETNAM
Orchidaceae Juss.
Eria foetida Aver.

N. Vietnam, Son La prov., Moc Chau distr., Van Ho municipality, near
Hua Tat village (20°46′35′'N, 104°46′31′'E). Coniferous forest with
Pinus kwangtungensis, Podocarpus sp. and Calocedrus macrolepis along
remnant limestone highly eroded ridge at elev. 1400-1500 m a.s.l.
Epiphyte. Flowers with sweetish unpleasant smell, yellow, tip of the
lip purple-violet. Very common.

DKH 7367 6 March 2001

Collectors: P.K.Loc, N.X.Tam, L. Averyanov.

FLORA OF VIETNAM
Plants of Phong Nha - Ke Bang National Park
Orchidaceae
Epigeneium labuanum (Lindl.) Summerh.

Vietnam, Quang Binh Prov., Bo Trach Distr., Tan Trach Municipality, about 1.5 km to SE of A Rem village (17°23′32′'N, 106°12′46′'E). Primary closed coniferous forest (with Calocedrus rupestris) on steep slopes and on tops of rocky ridge composed with solid marble-like highly eroded stratified crystalline limestone at elevation about 750-900 m a.s.l. Creeping lithophyte and epiphyte (Calocedrus rupestris, Podocarpus neriifolius). Very common.
HAL 6123 25 January 2005. Photo.
Collectors: L.Averyanov, P.K.Loc, P.V.The, A.Averyanova, N.T.Vinh, N.Q.Vinh, N.T.Binh.

FLORA OF VIETNAM
Orchidaceae Juss.
Epigeneium amplum (Lindl.) Summerhayes

N. Vietnam, Son La prov., Moc Chau distr., Van Ho municipality, near
Hua Tat village (20°46′35′'N, 104°46′31′'E). Coniferous forest with
Pinus kwangtungensis, Podocarpus sp. and Calocedrus macrolepis along
remnant limestone highly eroded ridge at elev. 1400-1500 m a.s.l.
Creeping lithophytic and epiphytic vine 1-2 m lg. Abundant.
DKH 7373a 6 March 2001
Collectors: P.K.Loc, N.X.Tam, L. Averyanov.

FLORA OF VIETNAM
Plants of the Pu Huong Nature Reserve
Orchidaceae
Gastrochilus calceolaris (Sm.) D.Don

Nghe An Prov., Con Cuong Distr., Binh Chuan Municipality, top ridge of Pu Pha Cau limestone mt., 19(18′13.3′'N, 104(53′50.2′'E, ca 1100-1250 m a.s.l. Epiphyte on trees in forest with the dominance of Calocedrus rupestris. Flowers yellow with red traces.

Collectors: Vo Minh Son, Nguyen Tien Vinh.
HLF 3138 26 Feb 2004

Collected with financial support from Luce Foundation (U.S.A)