Справочные данные LE - Этикетки Аверьянова Л. В.

FLORA OF VIETNAM

Grewia aff. G. bilamellata Gagnep.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake. Open dry primary mixed forest with domination of Keteleeria fortunei on
tops of limestone mesas and ridges at 850-1000 m alt.
Shrub or treelet 3-4 m hg on dry top of mesas. Not common.
VH 4884 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Coelogyne sp.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake. Open dry primary mixed forest with domination of Keteleeria fortunei on
tops of limestone mesas and ridges at 850-1000 m alt.
Epilitic and subepiphytic herb on dry rocks. Abundant on tops of mesas.
VH 4883 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Viburnum sp.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake. Open dry primary mixed forest with domination of Keteleeria fortunei on
tops of limestone mesas and ridges at 900-950 m alt.
Tree 4-5 m hg. Not common.
VH 4882 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM
Huperzia aff. H. squarrosum (Forst.) Trevis

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake. Open dry primary mixed forest with domination of Keteleeria fortunei on
tops of limestone mesas and ridges at 900-950 m alt.
Epiphyte on Rhapis humilis. Rare.
VH 4881 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM
Trichotosia velutina (Lodd. ex Lindl.) Kraenzl.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake. Open dry primary mixed forest with domination of Keteleeria fortunei on
tops of limestone mesas and ridges at 850-1000 m alt.
Epilitic herb with pendant shoots on vertical shadow bluffs near top
of ridge at 750-850 m alt. Not common.
VH 4880 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Pittosporum balansae A.DC.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake. Open dry primary mixed forest with domination of Keteleeria fortunei on
tops of limestone mesas and ridges at 850-1000 m alt.
Treelet 3-4 m hg. Common on tops of mesas at 900-1000 m alt.
VH 4879 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Cleisostoma paniculatum (Ker.-Gawl.) Garay

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake. Open dry primary mixed forest with domination of Keteleeria fortunei on
tops of limestone mesas and ridges at 850-1000 m alt.
Epiphyte and epilite. Common.
VH 4878 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Vanda fuscoviridis Lindl.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake. Open dry primary mixed forest with domination of Keteleeria fortunei on
tops of limestone mesas and ridges at 850-1000 m alt.
Epiphyte and epilite. Common.
VH 4877 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Cleisostoma williamsonii (Reichenb.f.) Garay

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake. Open dry primary mixed forest with domination of Keteleeria fortunei on
tops of limestone mesas and ridges at 850-1000 m alt.
Epiphyte. Rare.
VH 4876 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Asplenium sp.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Broadleaved evergreen closed primary forest on steep slopes and bluffs
on and near tops of limestone mesas and ridges at 800-900 m alt.
Epilitic fern on open vertical bluffs near top of mesas. Not common.
VH 4875 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Arisaema sp.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Broadleaved evergreen closed primary forest on steep slopes and bluffs
of limestone mesas and ridges at 650 m alt.
Terrestrial and epilitic herb on steep rocky slopes and on open rocks.
Spathe white with purple tint with pale green apical portion. Not
common.
VH 4874 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Arisaema balansae Engl.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Broadleaved evergreen closed primary forest on steep slopes and bluffs
on and near tops of limestone mesas and ridges at 700-1000 m alt.
Terrestrial and epilitic herb on steep rocky slopes and on open rocks.
Spathe white with green or yellow apical portion, boundary stripe
between white and green part - brown. Not common.
VH 4873 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Arisaema sp.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Broadleaved evergreen closed primary forest on steep slopes and bluffs
of limestone mesas and ridges at 650-800 m alt.
Terrestrial and epilitic herb on steep rocky slopes. Spathe deep
purple-violet with white stripes. Not rare.
VH 4872 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Acer tonkinensis Lecomte

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Broadleaved evergreen closed primary forest on steep slopes and bluffs
of limestone mesas and ridges at 500-650 m alt.
Tree up to 12 m hg. Not rare. Usual codominante in 1 forest stratum on
and near tops of ridges and mesas at 700-1000 m alt.
VH 4871 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Celastraceae sp.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Broadleaved evergreen closed primary forest on steep slopes and bluffs
of limestone mesas and ridges at 700-750 m alt.
Vine up to 15 m lg in canopy of large tree. Flowers yellowish-green.
Not common.
VH 4870 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Psychotria aff. P. siamica (Craib) Hutch.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Broadleaved evergreen closed primary forest on steep slopes and bluffs
of limestone mesas and ridges at 500-650 m alt.
Terrestrial and epilitic herb on steep rocky slopes. Flowers white.
Not common.
VH 4869 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Schefflera sp.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Broadleaved evergreen closed primary forest on steep slopes and bluffs
of limestone mesas and ridges at 700-900 m alt.
Climbing epilitic woody vine 6-8 m lg on open steep rocky bluff. Ripe
fruits orange. Not common.
VH 4868 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM
Luisia psyche Reichenb.f.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Broadleaved evergreen closed primary forest on steep slopes and bluffs
of limestone mesas and ridges at 600-650 m alt.
Epiphyte on high trees. Tepals dirty yellowish with dirty purple tint,
lip deep purple. Not common.
VH 4867 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Tectaria aff. T. subpedata Ching

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Broadleaved evergreen closed primary forest on steep slopes and bluffs
of limestone mesas and ridges at 550-650 m alt.
Terrestrial fern on steep rocky shadow slopes. Common.
VH 4866 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Begonia sinuata Wall.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Broadleaved evergreen closed primary forest on steep slopes and bluffs
of limestone mesas and ridges at 500-650 m alt.
Epilite on shadow vertical limestone bluffs. Leaves green above,
brightly deep red-purple below. Very common at 500-600 m alt.
VH 4865 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Lamiaceae

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake at 500 m alt. Open clayey alluvial banks of karst lake periodically flooded
with water.
Prostrate herb in wet places. Flowers light violet-lilac. Abundant.
Codominante on open places.
VH 4864 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Ranunculus diffusus DC.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake at 500 m alt. Open clayey alluvial banks of karst lake periodically flooded
with water.
Prostrate herb in wet places. Flowers yellow. Abundant.
Codominante on open places.
VH 4863 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Ardisia sp.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake at 500 m alt. Open clayey alluvial banks of karst lake periodically flooded
with water.
Shrub up to 2 m hg, forming very dense monodominante tuft-shrub
thickets near highest water-line of the lake. Flowers pink.
VH 4862 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Epipogium roseum (D.Don) Lindl.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Remnant closed evergreen primary broadleaved forest in foothills of
limestone ridges and mesas near karst lake at 500 m alt.
Chlorophyll less yellowish-white saprophyte on shadow rocky wet lake
slopes. Flowers pure yellowish-white. Rare.
VH 4861 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Cleisostoma melanorachis Aver. et Averyanova Type

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Remnant closed evergreen primary broadleaved forest on steep slopes and
bluffs of limestone ridges and mesas near karst lake at 500-650 m alt.
Epiphytie on shadow rocky slopes and bluffs. Tepals light pink with
yellow tint, lip and spur purple-violet, sidelobes yellow. Not common.
VH 4860 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM
Orchidaceae
Phalaenopsis mannii Reichenb.f.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Remnant closed evergreen primary broadleaved forest on steep slopes and
bluffs of limestone ridges and mesas near karst lake at 500-650 m alt.
Epiphytic and epilitic herb on shadow rocky slopes and bluffs. Tepals
yellow with brown marks, lip yellow. Not common.
VH 4859 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Amomum sp.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Remnant closed evergreen primary broadleaved forest in alluvial valley
bottom between limestone ridges and mesas near karst lake at 500 m alt.
Terrestrial and epilitic herb up to 1.2 m hg on shadow rocky wet lake
slopes. Flowers white with yellow tip of central tepal. Not common.
VH 4858 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM Pollia sp.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Remnant closed evergreen primary broadleaved forest in alluvial valley
bottom between limestone ridges and mesas near karst lake at 500 m alt.
Terrestrial and epilitic herb up to 1 m hg on shadow rocky wet lake
slopes. Flowers white. Not common.
VH 4857 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Didissandra clemensiae Pellegr.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Remnant closed evergreen primary broadleaved forest in alluvial valley
bottom between limestone ridges and mesas near karst lake at 500 m alt.
Epiphytic and epilitic shrublet with pendant shoots up to 0.6 m lg on
shadow rocky wet lake slopes. Not common.
VH 4856 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Elatostema collanieae Gagnep.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Remnant closed evergreen primary broadleaved forest in alluvial valley
bottom between limestone ridges and mesas near karst lake at 500 m alt.
Terrestrial and epilitic herb on shadow rocky wet lake slopes. Very
common at 500-600 m alt.
VH 4855 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Pellionia macroceras Gagnep.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Remnant closed evergreen primary broadleaved forest in alluvial valley
bottom between limestone ridges and mesas near karst lake at 500 m alt.
Terrestrial and epilitic herb on shadow rocky wet lake slopes. Very
common at 500-600 m alt.
VH 4854 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Pteris henryi Christ

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Remnant closed evergreen primary broadleaved forest in alluvial valley
bottom between limestone ridges and mesas near karst lake at 500 m alt.
Terrestrial and epilitic fern on steep rocky lake slopes. Very common
at 500-600 m alt.
VH 4853 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Hydnocarpus ilicifolius King

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Remnant closed evergreen primary broadleaved forest in alluvial valley
bottom between limestone ridges and mesas near karst lake at 500 m alt.
Tree 5-6 m hg on rocky lake slopes. Not common.
VH 4852 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Rhapis micrantha Becc.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Remnant closed evergreen primary broadleaved forest in alluvial valley
bottom between limestone ridges and mesas near karst lake at 500 m alt.
Palm up to 2 m hg in shadow rocky lake slopes. Not common.
VH 4851 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Elatostema ficoides Wedd.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Remnant closed evergreen primary broadleaved forest in alluvial valley
bottom between limestone ridges and mesas near karst lake at 500 m alt.
Terrestrial and epilitic herb up to 0.6 m hg on shadow wet steep rocky
slopes near lake side. Flowers white. Common.
VH 4850 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)
Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Aganope balansae (Gagnep.) P.K.Loc

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Remnant closed evergreen primary broadleaved forest in alluvial valley
bottom between limestone ridges and mesas near karst lake at 500 m alt.
Woody vine about 15 m lg in wet place near lake side. Not common.
VH 4849 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Litsea balansae Lecomte

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Remnant closed evergreen primary broadleaved forest in alluvial valley
bottom between limestone ridges and mesas near karst lake at 500 m alt.
Treelet 6-7 m hg. Flowers greenish-yellow. Not common.
VH 4848 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Ficus glaberrima Blume

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Remnant closed evergreen primary broadleaved forest in alluvial valley
bottom between limestone ridges and mesas near karst lake at 500 m alt.
Tree up to 20 m hg. Ripe cyconia dirty purple-green. Not rare.
Sometimes codominante of 1 forest stratum in alluvial valley bottom
and limestone ridge slopes up to 600-650 m alt.
VH 4847 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Caesalpinia crista L.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Broadleaved evergreen closed primary forest on steep slopes and bluffs
of limestone mesas and ridges at 500-550 m alt.
Woody vine 10-15 m lg in open rocky bluffs.
VH 4846 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Symplocos stapfiana H.Lev.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Broadleaved evergreen closed primary forest on steep slopes and bluffs
of limestone mesas and ridges at 500-550 m alt.
Shrub or treelet about 4 m hg. Not common.
VH 4845 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Laportea interrupta (Gaudich.) Chew.

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan,
vicinity of Thang Heng and Lung Tao villages near Thang Heng lake.
Broadleaved evergreen closed primary forest on steep slopes and bluffs
of limestone mesas and ridges at 500-650 m alt.
Terrestrial and epilitic herb or shrublet up to 1.5 m hg on wet rocky
slopes. Leaves green above, deep purple below, strongly urticate. Very
common, and often abundant in mt forests at 500-600 m alt.
VH 4844 25-27.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep

FLORA OF VIETNAM

Vallisneria nutans (Lour.) Hara

N. Vietnam, Prov. Quang Binh, distr. Minh Hoa, 72 km to NWW from Dong Hoi, municipalite Thuong Hoa, Yen Son village, limestone massif Ke Bang (N 17°40′ E 105°57′). In shallow slow water of small river on
alluvial valley bottom between limestone ridges and mesas at 200 m alt.
Aquatic underwater rosette plant occurring on 0.1-0.5 m depth in open
place. Common and sometimes abundant.
VH 4843 19.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep, P.K. Loc

FLORA OF VIETNAM

Potamogeton sp.

N. Vietnam, Prov. Quang Binh, distr. Minh Hoa, 72 km to NWW from Dong Hoi, municipalite Thuong Hoa, Yen Son village, limestone massif Ke Bang (N 17°40′ E 105°57′). In shallow slow water of small river on
alluvial valley bottom between limestone ridges and mesas at 200 m alt.
Aquatic floating plant with shoots up to 1 m lg occurring on 0.3-1
m depth in open place. Common and sometimes abundant.
VH 4842 19.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep, P.K. Loc

FLORA OF VIETNAM

Potamogeton aff. P. gaudichaudii Cham. et Schlecht.

N. Vietnam, Prov. Quang Binh, distr. Minh Hoa, 72 km to NWW from Dong Hoi, municipalite Thuong Hoa, Yen Son village, limestone massif Ke Bang (N 17°40′ E 105°57′). In shallow water of small karst lake on
alluvial valley bottom between limestone ridges and mesas at 200 m alt.
Aquatic floating plant with shoots up to 2 m lg occurring on 0.3-2
m depth. Common and sometimes abundant.
VH 4841 19.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep, P.K. Loc

FLORA OF VIETNAM

Ceratophyllum demersum L.

N. Vietnam, Prov. Quang Binh, distr. Minh Hoa, 72 km to NWW from Dong Hoi, municipalite Thuong Hoa, Yen Son village, limestone massif Ke Bang (N 17°40′ E 105°57′). In shallow water of small karst lake on
alluvial valley bottom between limestone ridges and mesas at 200 m alt.
Aquatic underwater plant with shoots up to 30 cm lg occurring on 0.1-1
m depth. Common and sometimes abundant.
VH 4840 19.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep, P.K. Loc

FLORA OF VIETNAM

Meringium denticulatum (Sw.) Copel.

N. Vietnam, Prov. Quang Binh, distr. Minh Hoa, 72 km to NWW from Dong Hoi, municipalite Thuong Hoa, Yen Son village, limestone massif Ke Bang (N 17°40′ E 105°57′). Remnant open evergreen primary broadleaved forest along river in alluvial valley
bottom between limestone ridges and mesas at 200-250 m alt.
Epilite on shadow wet limestone vertical bluffs. Common.
VH 4839 19.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep, P.K. Loc

FLORA OF VIETNAM

Microtrichomanes aff. M. nitidulum (van den Bosch) ?

N. Vietnam, Prov. Quang Binh, distr. Minh Hoa, 72 km to NWW from Dong Hoi, municipalite Thuong Hoa, Yen Son village, limestone massif Ke Bang (N 17°40′ E 105°57′). Remnant open evergreen primary broadleaved forest along river in alluvial valley
bottom between limestone ridges and mesas at 200-250 m alt.
Epilite on shadow wet limestone vertical bluffs. Common.
VH 4838 19.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep, P.K. Loc

FLORA OF VIETNAM

Knema pierrei Warb.

N. Vietnam, Prov. Quang Binh, distr. Minh Hoa, 72 km to NWW from Dong Hoi, municipalite Thuong Hoa, Yen Son village, limestone massif Ke Bang (N 17°40′ E 105°57′). Remnant open evergreen primary broadleaved forest along river in alluvial valley
bottom between limestone ridges and mesas at 200-250 m alt.
Tree up to 20 m hg. Fruits dirty brown-yellowish. Not rare.
VH 4837 19.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep, P.K. Loc

FLORA OF VIETNAM

Amorphophallus sp.

N. Vietnam, Prov. Quang Binh, distr. Minh Hoa, 72 km to NWW from Dong Hoi, municipalite Thuong Hoa, Yen Son village, limestone massif Ke Bang (N 17°40′ E 105°57′). Remnant open evergreen primary broadleaved forest along river in alluvial valley
bottom between limestone ridges and mesas at 200-250 m alt.
Ephemeroid herb with inflorescence stalk up to 0.8 m lg.
Ripe fruits deep blue. Rare.
VH 4836 19.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep, P.K. Loc

FLORA OF VIETNAM

Peliosanthes sp.

N. Vietnam, Prov. Quang Binh, distr. Minh Hoa, 72 km to NWW from Dong Hoi, municipalite Thuong Hoa, Yen Son village, limestone massif Ke Bang (N 17°40′ E 105°57′). Remnant open evergreen primary broadleaved forest along river in alluvial valley
bottom between limestone ridges and mesas at 200-250 m alt.
Terrestrial and epilitic herb with leaves up to 0.5 m lg in shadow wet
places. Very common and occasionally abundant. Usual monodominante of forb forest stratum in valley forests at 200 m alt., especially in
depressions filling with water during rain season.
VH 4835 19.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.T. Hiep, P.K. Loc