Herbarium LE - Specimens

FLORA OF VIETNAM

Rubiaceae

Xanthophytum polyanthum Pit.

Ha Giang prov., Quan Ba distr., Bat Dai Son Nature Reserve, Can Ty commune, Lung Vay village, around point 23º05ʹ46.7ʺN 105º02ʹ53.1ʺE, 1100-1280 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen broad-leaved humid forest on steep rocky slopes near mountain tops. Erect terrestrial and lithophytic herb to 1.5 m tall among shady rocks. Young flower buds light green. Occasional. 15 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 168 (HN, LE01058128, LE01067558).

FLORA OF VIETNAM

Rubiaceae

Ophiorrhiza amplifolia Drake

Ha Giang prov., Quan Ba distr., Bat Dai Son commune, Bat Dai Son Nature Reserve, San Chu village, around point 23º08ʹ55.1ʺN 104º59ʹ45.7ʺE, 1000-1200 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary and partially degraded evergreen broad-leaved humid forest on rocky mountain slopes. Terrestrial and lithophytic herb in shady place. Common. 13 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 073 (HN, LE01058104, LE01067557).

FLORA OF VIETNAM
Gentianaceae
Crowfurdtia sp.

Son La Prov., Moc Chau Distr., Chieng Son comm., Pha Luong village, Pha Luong Mountain (elevation from Pha Luong village at 930 m to Mt. peak at 1860 m a.s.l.).

Open secondary scrub after fire on flat sandy Pha Luong summit composed with eroded red-brown sandstone at elevation 1800-1850 m a.s.l. around point 20°40′23.0N 104°37′52.0E.

Herbaceous vine in open rocky place. Flowers blue. Common.

23 September 2016 CPC 7964
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.

FLORA OF VIETNAM
Plants of Xuan Son national park
Gesneriaceae
Chirita sp.

Phu Tho prov., Tan Son distr., Xuan Son municipality, Can mountain, around point 21°09′55.0″N 104°54′41.2″E.

Primary broad-leaved evergreen closed forest on solid crystalline highly eroded limestone mountains at elev. about 1000-1100 m a.s.l.

Rosulate lithophyte on crevices of vertical shady cliff near top of mountain. Flowers deep blue. Locally very common.

CPC 4642 16 November 2011
Coll.: P.V.The, N.T.Vinh

FLORA OF LAOS
Gentianaceae
Canscora sp.

Vientiane prov., Kasi distr., Si Sang Vone village, around point 19°06′10.9′'N 102°10′46.1′'E. Secondary and primary evergreen dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 600-750 m a.s.l. Lithophytic herb on open mossy rocks near mountain top. Common.
LA-VN 1847 28 March 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla Inkhavilay, Hongthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh.

FLORA OF VIETNAM
Juglandaceae
Platycarya strobilacea Siebold & Zucc.

Son La Prov., Van Ho Distr., Van Ho comm., Hua Tat village, around point 20°46′21.7N 104°47′47.5E.

Remnants of primary evergreen broad-leaved and mixed forest (with Pinus wangii) on very steep rocky slopes and on mountain tops composed with highly eroded karstic light gray marble-like limestone at elevation 1300-1350 m a.s.l.

Tree 6-8(10) m tall on rocky ridge edge. Common. First stratum forest co-dominant.

2 October 2016 CPC 8237
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.

FLORA OF VIETNAM
Hypericaceae
Hypericum hookerianum Wight & Arn.

Son La Prov., Moc Chau Distr., Chieng Son comm., Pha Luong village, Pha Luong Mountain (elevation from Pha Luong village at 930 m to Mt. peak at 1860 m a.s.l.).

Open secondary scrub after fire on flat sandy Pha Luong summit composed with eroded red-brown sandstone at elevation 1800-1850 m a.s.l. around point 20°40′23.0N 104°37′52.0E.

Undershrub 1-1.5 m tall in open rocky places. Flowers yellow. Occasional.

23 September 2016 CPC 7981
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.

FLORA OF VIETNAM
Hymenophyllaceae
Crepidomanes auriculatum (Blume) K. Iwats.

Son La Prov., Moc Chau Distr., Chieng Son comm., Hin Pen village, around point 20°42′36.7N 104°35′11.0E.

Primary and secondary evergreen broad-leaved forest on very steep slopes and cliffs of highly eroded red-brown sandstone at elevation about 1200 m a.s.l. Creeping epiphytic vine in shady place. Not common.

29 September 2016 CPC 8148
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.

FLORA OF LAOS
Gnetaceae
Gnetum sp.

Vientiane prov., Kasi distr., between San and Tham Tai villages, around point 19°17′47.9′'N 102°08′58.9′'E.

Secondary broad-leaved evergreen dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 900-1000 m a.s.l.

Large woody vine. Not common.

LA-VN 1676 25 March 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla Inkhavilay, Hongthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh.

FLORA OF LAOS
Gnetaceae
Gnetum sp.

Vientiane prov., Kasi distr., Si Sang Vone village, around point 19°06′10.9′'N 102°10′46.1′'E.

Secondary broad-leaved evergreen dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 600-700 m a.s.l.

Large woody vine to 30 m long on rocky steep slope. Inflorescences light green. Not common.

LA-VN 1798 28 March 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla Inkhavilay, Hongthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh.

FLORA OF VIETNAM
Gesneriaceae
Chirita sp.

Son La Prov., Van Ho Distr., Xuan Nha Municipality, Muong An village, territory of Xuan Nha natural reserve. Primary broad-leaved evergreen humid forest on very steep slopes and cliffs of remnant mountain composed by solid highly eroded crystalline limestone at elevation 800-1000 m a.s.l. around point 20°45′06.5″N 104°46′37.8″E. Lithophytic herb on mossy vertical shady cliffs. Flowers light blue. Very common.
13 November 2013 CPC 7053
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, N.D.Thang, L.D.Qui

FLORA OF VIETNAM
Gesneriaceae
Aeshynanthus sp.

Nghe An Prov., Ky Son Distr., Na Ngoi Municipality, eastern slopes of Phu Xai Lai Leng mountain system.

Primary broad-leaved and mixed forest (with Cunninghamia) on very steep mountain slopes on granite at elevation about 1900 m a.s.l. around point 19°13′37.5″N 104°06′11.8″E.

Small epiphytic undershrub on mossy tree. Common.

20 October 2013 CPC 6006
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan

FLORA OF VIETNAM
Gesneriaceae
Aeschynanthus sp. ?

Vietnam, Ha Giang Prov., Bac Me Distr., Phieng Luong Municipality, around Phieng Luong village about 4 km to SW of Phieng Luong Municipality headquarter 22°39′29″N, 105°19′35″E.

Slightly logged primary closed evergreen broad-leaved forest on slopes of remnant mountains composed with solid highly eroded crystalline and partially shale limestone at elev. 1000-1200 m a.s.l.

Creeping epiphyte on rocky top of ridge. Rare.

HAL 6500 5 March 2005.

Collectors: L.Averyanov, P.K.Loc, N.T.Vinh, A.Averyanova.

FLORA OF VIETNAM
Gesneriaceae
Chirita sp.?

Son La Prov., Van Ho Distr., Chieng Xuan Municipality, Co Hong village, territory of Xuan Nha natural reserve, Pha Luong Mountain.

Primary coniferous and mixed forest with Pinus cernua on very steep slopes along ridge edge composed by brown sandstone at elevation 1200-1400 m a.s.l. around point 20°41′40.5″N 104°39′24.7″E.

Lithophytic rosulate herb on shady cliffs. Locally common.

13 November 2013 CPC 7035
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, N.D.Thang, L.D.Qui

FLORA OF VIETNAM
Gesneriaceae
Chirita sp.

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Ngan Vai village, around point 22°46′53″N, 105°52′58.7″E.

Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation about 1300 m a.s.l.

Rosulate herb on vertical shady cliffs. Flowers blue. Not common.

7 October 2013 CPC 5441
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets

FLORA OF VIETNAM
Gesneriaceae

Northern Vietnam, Lao Cai Prov., Van Ban Distr., to the west of Nam
Xay village (21°58′18′'N, 104°00′24′'E). Primary coniferous (with
Fokienia hodginsii) evergreen montane forest at elev. 1700 m a.s.l.
Lithophytic and terrestrial herb on steep shady granite rocky slope.
Leaves deep green. Not common.

HAL 2045 05 March 2002

Collectors: L.Averyanov, P.K.Loc, D.T.Doan (FFI Project).

FLORA OF VIETNAM
Gesneriaceae
Oreocharis blepharophylla W.H. Chen, H.Q. Nguyen & Y.M. Shui Type

Son La Prov., Van Ho Distr., Chieng Xuan Municipality, Co Hong village, territory of Xuan Nha natural reserve, Pha Luong Mountain.

Primary coniferous and mixed forest with Pinus cernua on very steep slopes along ridge edge composed by brown sandstone at elevation 1200-1400 m a.s.l. around point 20°41′40.5″N 104°39′24.7″E.

Lithophytic rosulate lithophytic herb on shady cliff. Flowers light blue. Common.

13 November 2013 CPC 7019
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, N.D.Thang, L.D.Qui

FLORA OF VIETNAM

Plants of Phong Nha - Ke Bang National Park

Fam. Gesneriaceae

Boea sp.

Vietnam, Quang Binh Prov., Bo Trach Distr., Tan Trach Municipality, about 1.5 km to SE of A Rem village (17º23'32''N, 106º12'46''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. Lithophytic herb on vertical mossy cliffs. Flowers light blue. Common.

No HAL 6145 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
Gesneriaceae
Herita sp.?

N.Vietnam, Bac Kan Prov., Cho Don Distr., Ban Thi Municipality,
village Phia Khao, around point 22°16′10′'N, 105°31′01′'E at elevation
700-850 m a.s.l. (Tang Gia mountain).

Primary broad-leaved evergreen closed forest on very steep slopes and
cliffs near and on tops of rocky ridge composed with solid marble-like
stratified limestone.

Lithophyte on wet travertine deposits on vertical shady cliffs.
Flowers blue. Rare.

HAL 4783 22 May 2004

Collectors: L.Averyanov, N.T.Hiep, P.V.The, N.T.Vinh.

FLORA OF VIETNAM
Gesneriaceae
Aeschynanthus sp.

Son La Prov., Moc Chau Distr., Chieng Son comm., Pha Luong village, Pha Luong Mountain (elevation from Pha Luong village at 930 m to Mt. peak at 1860 m a.s.l.).

Primary cloud evergreen broad-leaved forest on flat Pha Luong summit composed with eroded red-brown sandstone at elevation 1750-1850 m a.s.l. around point 20°40′23.0N 104°37′52.0E.

Creeping epiphyte and lithophyte in open rocky place near mountain top. Flowers bright red. Not common.

23 September 2016 CPC 8007.
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.

FLORA OF VIETNAM
Gesneriaceae
Oreocharis blepharophylla W.H.Chen, H.Q.Nguyen & Y.M.Shui

Son La Prov., Moc Chau Distr., Chieng Son comm., Pha Luong village, Pha Luong Mountain (elevation from Pha Luong village at 930 m to Mt. peak at 1860 m a.s.l.).

Primary cloud evergreen broad-leaved forest on flat Pha Luong summit composed with eroded red-brown sandstone at elevation 1750-1850 m a.s.l. around point 20°40′23.0N 104°37′52.0E.

Lithophytic rosulate herb on vertical shady mossy cliffs near mountain top. Flowers blue. Common.

23 September 2016 CPC 8000.
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.

FLORA OF VIETNAM
Gesneriaceae
Aeschynanthus sp. ?

Northern Vietnam, Lao Cai Prov., Van Ban Distr., to the west of Nam
Xay village (1 km to the W of point 21°59′00′'N, 104°02′00′'E).
Primary broad-leaved evergreen submontane forest with Fokienia
hodginsii (as emergent) on granite and quartzite very steep slopes at
elev. 1300-1400 m a.s.l. Epiphytic creeping vine on mossy Fokienia hodginsii branches. Not common.

HAL 2236 09 March 2002

Collectors: L.Averyanov, P.K.Loc, D.T.Doan (FFI Project).

FLORA OF VIETNAM
Gesneriaceae
Aeschynanthus sp.

Dien Bien Prov., Tua Chua Distr., Sin Chai Municipality, around point 22°03′38”N 103°19′56”E.

Primary humid evergreen broad-leaved forest on very steep rocky slopes and on tops of remnant mountain composed with highly eroded marble-like solid crystalline limestone at elevation 1350-1500 m a.s.l.

Small epiphytic undershrub on mossy old tree. Flowers bright red. Not common.

CPC 936 14 December 2010
Coll.: L.Averyanov, P.K.Loc, P.V.The, N.T.Vinh.

FLORA OF VIETNAM
Gesneriaceae
Aeschynanthus sp.?

Vietnam, Ha Giang Prov., Yen Minh Distr, Lao Va Chai Municipality, vicinities of Chi Sang village around point 23°05′55″N, 105°04′10″E at elevation about 1500 m a.s.l.

Primary mossy coniferous forest with Tsuga sinensis and Pinus kwamgtungensis on tops of high rocky ridge composed with highly eroded marble-like limestone.

Creeping epiphyte on shady mossy rocky slope. Flowers white, tube inside with purple-violet stripes. Occasional.

HAL 8438 9 Dec 2005.

Collectors: L.Averyanov, P.K.Loc, T.V.Thao, P.V.The, N.S.Khang.

FLORA OF VIETNAM
Gesneriaceae Dien Bien Prov., Tua Chua Distr., Sin Chai Municipality, around point 22°03′38”N 103°19′56”E.

Primary humid evergreen broad-leaved forest on very steep rocky slopes and on tops of remnant mountain composed with highly eroded marble-like solid crystalline limestone at elevation 1350-1500 m a.s.l.

Rosulate lithophytic herb on shady vertical cliff on dusty wet travertine deposits. Common.

CPC 993 14 December 2010
Coll.: L.Averyanov, P.K.Loc, P.V.The, N.T.Vinh.

FLORA OF VIETNAM
Gesneriaceae
Aeschynanthus sp.

Lai Chau Prov., Tam Duong Distr., Ho Thau Community, Ho Thau village, around point 22°23′05″N 103°36′46″E.

Secondary and primary evergreen closed forest on very steep mountain slopes composed with granite and quartzite at elevation from 1500 to 1900 m a.s.l.

Creeping epiphyte on mossy trees on steep rocky shady mountain slope. Flowers white, tube with violet stripes inside. Not rare.

HAL 10179 29 Nov. 2006 Photo.
Coll.: Nguyen Tien Hiep, L.Averyanov, Pham Van The.

FLORA OF VIETNAM
Gesneriaceae
Herita sp.

N.Vietnam, Cao Bang Prov., Trung Khanh Distr., Ngoc Khe Municipality, Pac Nga village, around point 22°54′59′'N, 106°31′44′'E, at elevation 800-850 m a.s.l.

Remnants of primary broad-leaved evergreen and coniferous forest along rocky tops of rocky ridges and mesae composed with light gray solid marble-like highly eroded crystalline limestone.

Lithophytic herb on vertical cliff of N exposition. Flowers blue. Rare.

HAL 5630 11 June 2004

Collectors: L.Averyanov, P.K.Loc, P.V.The, N.T.Vinh.

FLORA OF VIETNAM
Gesneriaceae
Chirita sp.

Thanh Hoa Prov., Thuong Xuan Distr., Bat Mot Municipality, Duc village, Xuan Lien Natural Reserve.

Primary broad-leaved evergreen forest on rocky, highly eroded, crystalline limestone at elevation 800-1000 m a.s.l. around point 20°01′11.6″N 104°57′47.5″E.

Lithophytic herb on vertical cliff. Locally very common.

4 November 2013 CPC 6719
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, N.D.Thang, L.V.Tien

FLORA OF VIETNAM
Gesneriaceae
Aeschynanthus sp.

Northern Vietnam, Lao Cai Prov., Van Ban Distr., Khanh Yen Ha
municipality, to the SW of Na Nheo village (in the vicinity of point
21°57′15′'N, 104°12′39′'E). Primary broad-leaved evergreen montane
forest along tops of granite/quartzite ridge at elev. 2300-2400 m
a.s.l. Epiphytic shrublet with pendent shoots up to 0.5 m lg in
canopies of high mossy trees. Not common.

HAL 2546 20 March 2002

Collectors: L.Averyanov, P.K.Loc, D.T.Doan (FFI Project).

FLORA OF VIETNAM
Gesneriaceae
Aeschynanthus sp.

Lai Chau Prov., Phong Tho Distr., Sin Suoi Ho Municipality, Sa Ma Pho village, around point 22°32′53″N 103°33′40″E.

Secondary open evergreen broad-leaved forest and secondary woodlands on very steep mountain slopes composed predominantly with weathered granite at elev. about 1600-1800 m a.s.l.

Creeping epiphyte on mossy tall tree. Flowers white, inside with purple-violet nerves. Not rare.

HAL 10533 11 Dec. 2006
Coll.: Nguyen Tien Hiep, L.Averyanov, Phan Ke Loc, Pham Van The, N.T.Vinh.

FLORA OF VIETNAM
Plants of Xuan Son national park
Gesneriaceae
Paraboea sp.?

Phu Tho prov., Tan Son distr., Xuan Son municipality, Can mountain, around point 21°09′55.0″N 104°54′41.2″E.

Primary broad-leaved evergreen closed forest on solid crystalline highly eroded limestone mountains at elev. about 1000-1100 m a.s.l.

Rosulate lithophytic herb on vertical shady cliff near top of mountain. Locally common.

CPC 4649 16 November 2011
Coll.: P.V.The, N.T.Vinh

FLORA OF VIETNAM

Gesneriaceae

Oreocharis argyrophylla W.H. Chen, H.Q. Nguyen & Y.M. Shui

Son La Prov., Moc Chau Distr., Chieng Son comm., Pha Luong village, Pha Luong Mountains.

Primary evergreen broad-leaved and mixed forest with Pinus cernua on mountain tops and steep summit slopes composed with highly eroded red-brown sandstone at elevation 1400-1500 m a.s.l. around point 20°41’33.2N 104°37’37.0E.

Lithophytic rosulate herb on shady mossy cliffs and large boulders. Flowers yellow, peduncle dull purple-violet. Common.

22 September 2016 CPC 7939.

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.

FLORA OF VIETNAM
Gesneriaceae
Boea sp.?

Cao Bang Prov., Bao Lam Distr., Yen Tho municipality, Cha Hai village, Phia Hai Mt.

Secondary highly degraded broad-leaved evergreen forest on steep mountain slopes near mountain top at elevation 1300-1350 m a.s.l. around point 22°41′22.3″N 105°34′43.5″E.

Lithophytic rosulate herb on vertical shady cliff. Common.

27 November 2014 CPC 7659
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz

FLORA OF VIETNAM
Gesneriaceae
Oreocharis argyrophylla W.H. Chen, H.Q. Nguyen & Y.M. Shui

Son La Prov., Moc Chau Distr., Chieng Son comm., Pha Luong village, Pha Luong Mountain (elevation from Pha Luong village at 930 m to Mt. peak at 1860 m a.s.l.).

Primary cloud evergreen broad-leaved forest on flat Pha Luong summit composed with eroded red-brown sandstone at elevation 1750-1850 m a.s.l. around point 20°40′23.0N 104°37′52.0E.

Lithophytic rosulate herb on vertical mossy cliff near mountain top. Flowers bright yellow. Locally common.

23 September 2016 CPC 7993
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.

FLORA OF VIETNAM
Gesneriaceae
Oreocharis blepharophylla W.H.Chen, H.Q.Nguyen & Y.M.Shui

Son La Prov., Van Ho Distr., Tan Xuan comm., A Lay village, around point 20°40′46.2N 104°39′49.6E.

Primary evergreen broad-leaved forest on very steep rocky slopes and on mountain tops composed with red-brown sandstone at elevation about 1500 m a.s.l.

Lithophytic and occasionally epiphytic rosulate herb on very steep shady slope. Flowers blue-violet. Not common.

1 October 2016 CPC 8171
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.

FLORA OF VIETNAM
Gesneriaceae
Oreocharis argyrophylla W.H.Chen, H.Q.Nguyen & Y.M.Shui

Son La Prov., Van Ho Distr., Tan Xuan comm., A Lay village, around point 20°40′46.2N 104°39′49.6E.

Primary evergreen broad-leaved forest on very steep rocky slopes and on mountain tops composed with red-brown sandstone at elevation about 1500 m a.s.l.

Terrestrial and lithophytic herb on very steep shady slope. Flowers bright yellow. Occasional.

1 October 2016 CPC 8173
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.

FLORA OF VIETNAM

Orchidaceae

Bulbophyllum refractum (Zoll.) Rchb.f.

Dak Nong Province, Dak Song District, Nam Nung Protected Area, dry evergreen broad-leaved submontane forest on basalt and sandstone at elevation 800-900 m a.s.l. Clustering epiphyte on tall tree. Occasional. 25 October 2019, L. Averyanov, Nguyen Van Canh, T. Maisak, AL 1183.4

Herbarium prepared in 16.01.2020, flowers: sepals pale orange-brown, petals white finely speckled with violet, lip white spotted with purple-violet at apex, hairs white and violet, column white. L. Averyanov. AL 1183.4.

Orchidaceae

Bulbophyllum pachypodum Aver.

Champasak Prov., 15º04ʹ21.1ʹʹN 106º12ʹ19.2ʹʹ, elevation 1150 m a.s.l., 28.11.2019, N.L. Orlov, L.K. Iogansen, AL 1261.1.

Herbarium prepared in 16.01 2020. Flowers with light sweet-spicy scent, hairs white, sepals light yellow-greenish to light yellowish, petals white, column white with column foot speckled with dark purple-brown, lip dark purple-violet to almost black. L. Averyanov. AL 1261.1

FLORA OF VIETNAM

Rubiaceae

Schizomussaenda dehiscens (Craib) H.L. Li

Ha Giang Prov., Quan Ba Distr., Thai An Commune, Seo Lung Two Village, around point 22.96988ºN 105.08646ºE. Very steep mountain slopes composed of stratified shale and clayey subsoil at elevation 800–1000 m a.s.l. Primary and secondary evergreen broad-leaved humid forest. Treelet 6-8 m tall on open steep river slope. Inflorescence bract pure white. Common. 10 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1540 (HN, LE01067132, LE01070157).

FLORA OF VIETNAM

Rubiaceae

Ophiorrhiza sp. 4

Ha Giang Prov., Quan Ba Distr., Thai An Commune, Seo Lung Two Village, around point 22.96988ºN 105.08646ºE. Very steep mountain slopes composed of stratified shale and clayey subsoil at elevation 800–1000 m a.s.l. Primary and secondary evergreen broad-leaved humid forest. Terrestrial herb to 1 m tall on steep shady rocky river slope. Flowers white. Common. 10 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1512 (HN, LE01067105, LE01070179).

FLORA OF VIETNAM

Rubiaceae

Ophiorrhiza sp. 1

Ha Giang prov., Quan Ba distr., Bat Dai Son commune, Bat Dai Son Nature Reserve, San Chu village, around point 23º08ʹ55.1ʺN 104º59ʹ45.7ʺE, 1100-1200 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen broad-leaved humid forest on very steep rocky slopes. Terrestrial erect herb to 0.5 m tall in shady places. Occasional. 13 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 015 (HN, LE01067085).

FLORA OF VIETNAM

Rubiaceae

Ophiorrhiza amplifolia Drake

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 white with greenish apex. Very common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1590 (HN, LE01067075, LE01070186).

FLORA OF VIETNAM

Rubiaceae

Spiradiclis karstana L. Wu, X. Li & Q.R. Liu

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 or undershrub to 1 m tall in open rpcky place. Flowers purple. Occasional. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1558 (HN, LE01067021, LE01070220).

FLORA OF VIETNAM

Rubiaceae

Nertera sinensis F.B. Forbes & Hemsl.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349ºN 104.86446ºE, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Prostrate creeping lithophytic herb on wet mossy stream rocks. Fruits pale dull blue to almost black. Locally very common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1427 (HN, LE01061116, LE01067015).

FLORA OF VIETNAM

Rubiaceae

Mycetia longifolia (Wall.) Kuntze

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349ºN 104.86446ºE, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Undershrub 1-1.5 m tall on steep shady river slope. Common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1423 (HN, LE01061114, LE01067013).

FLORA OF VIETNAM

Rubiaceae

Spiradiclis sp. 2

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349ºN 104.86446ºE, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Lithophytic herb on wet mossy stream rocks. Flowers light pink-violet to almost white. Very common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1417 (HN, LE01061105, LE01067010).

FLORA OF VIETNAM

Rubiaceae

Psychotria montana Blume

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349ºN 104.86446ºE, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Shrub to 3 m tall on steep river slope. Fruits juicy, bright red. Not common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1439 (HN, LE01061056, LE01066975).

FLORA OF VIETNAM

Rubiaceae

Ophiorrhiza sp. 5

Ha Giang Prov., Quan Ba Distr., Ta Van Commune, Can Ho Village, around point 23.03513ºN 104.87016ºE, steep rocky mountain slopes composed of eroded limestone at elevation 1100–1250 m a.s.l. near mountain top. Secondary evergreen broad-leaved humid forest. Terrestrial herb to 1.5 m tall in open place. Flowers white. Very common. 9 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1477 (HN, LE01061015, LE01066959).

FLORA OF VIETNAM

Rubiaceae

Mussaenda sp. 2

Ha Giang Prov., Quan Ba Distr., Ta Van Commune, Can Ho Village, around point 23.03513ºN 104.87016ºE, steep rocky mountain slopes composed of eroded limestone at elevation 1100–1250 m a.s.l. near mountain top. Secondary evergreen broad-leaved humid forest. Shrub 2-3 m tall in open rocky place. Common. 9 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1489 (HN, LE01061023, LE01066946).

FLORA OF VIETNAM

Rubiaceae

Spiradiclis sp. 1

Ha Giang Prov., Quan Ba Distr., Cao Ma Po Commune, Then Van 1 Village, Binh Mountain, around point 23.09452ºN 104.84831ºE, steep rocky slopes composed with highly eroded limestone at elevation 1400–1600 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest with plantation of “wild-grown” Amomum. Terrestrial and lithophytic herb in rather open places. Flower buds light pink-violet. Common. 4 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1261 (HN, LE01066928, LE01061273).