Herbarium LE - Specimens

FLORA OF LAOS

Orchidaceae

Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Xiangkhouang Prov., Peak Distr., Khoang village, Pa Khao mt., around point 19°33’02.2’N 103°39’56.3’E. Primary and secondary broad-leaved evergreen dry forest on solid rocky highly eroded limestone at elev. 1200-1450 m a.s.l. Lithophytic rosulate herb on mossy cliffs on middle part of mt. slope. Leaves distinctly tessellated, dark violet spotted below to almost entirely dark purple-violet. Flowers pale yellow with small purple spots. Not common.

LA-VN 967 3 April 2015 photos

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Orchidaceae
Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Houphan Prov., Xon Distr., Nong Hua Pa Noi village, around point 20°13′02.1′'N 103°24′23.3′'E. Primary and secondary broad-leaved evergreen forest on very steep rocky mountain slopes composed by shaly limestone at elev. 1100-1200 m a.s.l. Lithophytic rosulate herb on shady rock and cliffs. Flower buds white to yellowish. Occasional.
LA-VN 1277 11 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS

Orchidaceae

Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Xiangkhouang Prov., Peak Distr., Khoang village, Pa Khao mt., around point 19°33’02.2’N 103°39’56.3’E. Primary and secondary broad-leaved evergreen dry forest on solid rocky highly eroded limestone at elev. 1200-1450 m a.s.l. Lithophytic rosulate herb on mossy cliffs on middle part of mt. slope. Leaves distinctly tessellated, dark violet spotted below to almost entirely dark purple-violet. Flowers pale yellow with small purple spots. Not common.

LA-VN 967 3 April 2015 photos

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS

Orchidaceae

Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Luang Prabang prov., Ngoy distr., Ngoy village, Pha Noi Mountain, around point 20°42'53.6''N 102°40'34.7''E. Remnants of primary evergreen forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 400-450 m a.s.l. Lithophytic rosulate herb on steep cliffs on mossy rocky mountain top. Flower buds light yellow, leaves contrast tessellated. Locally common.

LA-VN 1978 1 April 2017 Photos

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.

FLORA OF LAOS

Orchidaceae

Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Luang Prabang prov., Ngoy distr., Ngoy village, Pha Noi Mountain, around point 20°42'53.6''N 102°40'34.7''E. Remnants of primary evergreen forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 400-450 m a.s.l. Lithophytic rosulate herb on steep cliffs on mossy rocky mountain top. Flower buds light yellow, leaves contrast tessellated. Locally common.

LA-VN 1978 1 April 2017 Photos

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.

FLORA OF LAOS
Orchidaceae
Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Luang Prabang prov., Ngoy distr., Nong Khiew village, Pha Deng Mountain around point 20°34′14.3′'N 102°37′31.8′'E. Secondary semideciduous and evergreen dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-825 m a.s.l. Lithophytic rosulate herb in mossy rocky crevices in shady places on rocky mountain top. Flowers light yellowish to almost white with many small purple marks. Leaves distinctly contrasty tessellated. Locally common.
LA-VN 1885 31 March 2017 Photos
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.

FLORA OF LAOS
Orchidaceae
Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Luang Prabang prov., Pon Xay distr., along the way to Bane Phou Souong village, Pha Hiua Bin Toc Mountain, around point 19°57′37.0′'N 102°25′03.0′'E. Degraded primary evergreen and semideciduous forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 600-850 m a.s.l. Lithophytic rosulate herb in crevices of mossy rocks on open rocky mountain top. Leaves contrast green – whitish tessellated. Locally common.
LA-VN 2153 5 April 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.

FLORA OF LAOS
Orchidaceae
Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

Luang Prabang prov., Pon Xay distr., between Houay Man and Nam Bo villages, Phou Hua Ben Toc Mountain, around point 19°57′33.1′'N 102°25′25.8′'E. Degraded primary evergreen and semideciduous forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 500-650 m a.s.l. Rosulate lithophytic herb on crevices of mossy rocks on rocky mountain top. Leaves contrast green – whitish tessellated. Locally common.
LA-VN 2106 5 April 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.

FLORA OF LAOS
Orchidaceae
Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer

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. Not common.
LA-VN 1848 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
Orchidaceae
Paphiopedilum canhii Aver. et O.Gruss

Dien Bien Prov., Dien Bien Distr., Na U Municipality, Ca Hau village, around point 21°12′51”N 102°57′20”E. Highly destroyed primary closed evergreen broad-leaved submontane forest on rocky crystalline marble-like rocky limestone at elevation 1100-1200 m a.s.l. Lithophytic rosulate herb on shady vertical cliff near top of mountain in association with P. dianthum and P. malipoense. Not common.
CPC 2373 10 April 2011
Coll.: P.V.The.

FLORA OF VIETNAM
Orchidaceae
Paphiopedilum canhii Aver. et O.Gruss

Dien Bien Prov., Dien Bien Distr., Na U Municipality, Ca Hau village, around point 21°13′08”N 102°57′14”E. Selectly logged primary closed evergreen broad-leaved submontane forest on rocky crystalline marble-like rocky limestone at elevation 950-1000 m a.s.l. Lithophytic rosulate herb. Plant cultivated in Dien Bien City.
CPC 1913 4 April 2011 Photos
Coll.: L.Averyanov, P.K.Loc, N.Q.Hieu, N.T.Vinh.

FLORA OF LAOS

Orchidaceae

Paphiopedilum canhii Aver. & O.Gruss

Vientiane Prov., Kasi Distr., Namken village, Phachao Mt., around point 19°18’45.5”N 102°22’31.4”E. Primary broad-leaved evergreen forest on very steep rocky slopes of remnant mountain composed with highly eroded solid crystalline limestone at elevations 1500-1750 m. Lithophytic rosulate herb adpressed on shady vertical cliffs. Leaves dark/light green tessellated above, dirty purple-brown spotted below. Common at elev. 1600 to mountain top.

LA-VN 793 24 March 2013

Coll.: L.Averyanov, N.S.Khang, S.Lorphengsy

FLORA OF VIETNAM
Orchidaceae
Paphiopedilum canhii Aver. et O.Gruss

Dien Bien Prov., Dien Bien Distr., Na U Municipality, Ca Hau village, around point 21°13′08”N 102°57′14”E. Selectly logged primary closed evergreen broad-leaved submontane forest on rocky crystalline marble-like rocky limestone at elevation 950-1000 m a.s.l. Lithophytic rosulate herb on vertical shady limestone cliff of NNE exposition near ridge tops. Leaves mottled with dark green / light silvery light green, dirty purple spotted below. Rarely scattered juvenile samples remained after collecting of mature plants. Common before commercial collecting. Growing in dense clones in 20-40 samples on square approximately 2 x 2 m.
CPC 851 9 December 2010
Coll.: L.Averyanov, P.K.Loc, P.V.The, N.T.Vinh, C.X.Canh

Orchidaceae

NW. Vietnam, Son La prov., mixed coniferous and broad-leaved primary forest on rocky limestone at elevations about 1500 m a.s.l., in shady places at the base of vertical limestone cliffs on deep soils rich in humus near tops of ridges Coll. Chu Xuan Canh CXC 102, 14 November 2009 (holotype).

Flowered under cultivation in Hanoi orchid nursery at 22 March 2010

Coll. Phan Ke Loc HAL 12907, 22 March 2010 (Epitype)

d-EXSICCATES OF VIETNAMESE FLORA 0170/CXC 101, HAL 12907

FLORA OF LAOS

Orchidaceae

Paphiopedilum canhii Aver. & O.Gruss

Vientiane Prov., Kasi Distr., Namken village, Phachao Mt., around point 19°18’45.5”N 102°22’31.4”E. Primary broad-leaved evergreen forest on very steep rocky slopes of remnant mountain composed with highly eroded solid crystalline limestone at elevations 1500-1750 m. Lithophytic rosulate herb adpressed on shady vertical cliffs. Leaves dark/light green tessellated above, dirty purple-brown spotted below. Common at elev. 1600 to mountain top.

LA-VN 793 24 March 2013

Coll.: L.Averyanov, N.S.Khang, S.Lorphengsy

FLORA OF VIETNAM
Orchidaceae
Paphiopedilum canhii Aver. et O.Gruss

Dien Bien Prov., Dien Bien Distr., Na U Municipality, Ca Hau village, around point 21°13′05”N 102°57′13”E. Highly destroyed primary closed evergreen broad-leaved submontane forest on rocky crystalline marble-like rocky limestone at elevation 1100-1150 m a.s.l. Lithophytic rosulate herb on shady cliffs. Rare.
CPC 2422 12 April 2011
Coll.: P.V.The.

d-EXSICCATES OF VIETNAMESE FLORA 0177/CPC 2422 (CPC, LE)
© Nguyen Tien Hiep, L.Averyanov, Phan Ke Loc

FLORA OF VIETNAM

Plants of Ta Dung Nature Reserve

Orchidaceae

Paphiopedilum callosum (Rchb.f.) Stein

Vietnam, Dak Nong Prov., Dak Glong Distr., Dak Plao Municipality, steep mountain slopes of Ta Dung mountain system at elevation 600-800 m a.s.l. around point 11º52’14’’N 107º59’34’’E. Secondary dense broad-leaved evergreen wet forest with bamboo on steep rocky W faced stream slopes composed with crystalline highly metamorphosed sandstone. Terrestrial and lithophytic rosulate herb in shady places and rocky cliffs. Leaves dark – light green tessellated. Locally common.

HLF 5575 9 November 2005. Photo.

Coll. L.Averyanov, P.K.Loc, T.V.Thao, N.T.Vinh.

Grant from Henry Luce Foundation.

FLORA OF VIETNAM

Paphiopedilum callosum (Rchb.f.) Stein

var. sublaeve (Rchb.f.) P.J.Cribb ?

S.Vietnam, Lam Dong Prov., living collection of Dalat Biology Institute. Also common in sale in local market in Dalat town. Primary broad-leaved evergreen mountain forest at 1000-1400 m elev. to the SE of Dalat city along boundary with prov. Ninh Tuan (origin of plants should be verified).

VH sine No 16 May 2000

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)

Collectors: L.Averyanov, N.T.Hiep, N.Q.Hieu

Fl and coll. in horto at 21 June 2000

Flowers odourless: central sepal white, at the middle light pink-violet, with numerous longitudinal deep green stripes and few small sylver warts near the base; synsepalum white at the middle with hadly visible violet tint and green longitudinal stripes; lateral petals green in basal half, with white stripes, apical half dull pink-violet, petals with few black-brown spots and warts along upper margin, hairiness black-brown; lip olive-green, with dull dirty-violet.

FLORA OF VIETNAM

Orchidaceae

Paphiopedilum callosum (Rchb.f.) Stein⁣.

Prov. Lam Dong, Dalat area.

Averyanov L., s.n.

1995

FLORA OF VIETNAM

Orchidaceae

Paphiopedilum callosum (Rchb.f.) Stein⁣.

Gia Lai Prov., Chu Pah Distr., Chu Dang Ya Municipality.

Phan Ke Loc., P-9864.

27.05.2001

FLORA OF VIETNAM

Fam. Orchidaceae

Paphiopedilum barbigerum T.Tang et F.T.Wang var. lockianum Aver.

Collected in the wild: N. Vietnam, Son La Prov., Moc Chau Distr., Dong Sang Municipality, village Ba Phach, 20ø49'N, 104ø39'E, 1000-1100 m a.s.l., south-east slope of limestone mountains, vertical bluffs near top. Scattered or clustered in small groups in heavily logged evergreen tropical seasonal broad-leaved submontane forest, lightly shaded vertical cliffs, grows in cracks or narrow shelves. Trees are Acer sp., Lithocarpus spp., Quercus spp., Polyalthia sp., Pistacia weinmannifolia, Schefflera pes-avis, Phyllanthus spp., Quercus spp., one species of Sapotaceae, etc. Ferns are Cyrtomium hemionitis, C. pachyphyllum, Polystichum sp., Pteris deltodon. Some Begonia spp., Carex phankei, Urticaceae, etc. Plant distribution was very limited.

Cultivated at Hanoi, Tuan Anh nursery.

4 Sept 2001. Photo Phan Ke Loc, P-9894.

FLORA OF VIETNAM

Orchidaceae

Paphiopedilum callosum (Rchb.f.) Stein⁣.

Gia Lai Prov., Chu Pah Distr., Chu Dang Ya Municipality.

Phan Ke Loc , P-9864.

27.05.2001

Orchidaceae

Paphiopedilum purpuratum (Lindl.) Stein var. nov.?

(vel Paphiopedilum purpuratum (Lindl.) Stein x P. villosum (Lindl.)Stein)

S Vietnam, Prov Lam Dong, Don Duong. Flowers were collected in collection of Dalat Institute of Biology from living wild collected samples. Sine no ("Dala P I 11") Sine date.

L. Averyanov, N.T. Hiep, D.D. Huyen

FLORA OF VIETNAM

Fam. Orchidaceae

Paphiopedilum barbigerum T.Tang et F.T.Wang var. lockianum Aver.

N. Vietnam, Prov. Son La, Distr. Moc Chau, Mun. Dong Sang, vill. Ba Phach, 20ø49'N, 104ø39'E, 1000-1100 m a.s.l. Lithophytic herb 20-30 cm tall, scattered or clustered in small groups in heavily logged evergreen tropical seasonal broad-leaved submontane forest on lightly shaded vertical cliffs, in cracks or narrow shelves of south-east slope of limestone mountains near the ridge top. Dorsal sepal brownish red with white margin and without darkish dots. Main forest dominantes are Acer sp., Lithocarpus sp.sp., Quercus sp.sp., Polyalthia sp., Pistacia weinmannifolia, Schefflera pes-avis, Phyllanthus sp., Quercus sp.sp., Sapotaceae, etc. Common ferns and herbs in understory are Cyrtomium hemionitis, C. pachyphyllum, Polystichum sp., Pteris deltodon, Phaphiopedilum dianthum, Begonia sp.sp., Carex phankei, and Urticaceae sp.sp. Rare with very limited distribution.

03 November 2001. Collectors: Phan Ke Loc, Nguyen Quang Hieu, Tran Tuan Anh, Nguyen Van Dinh and Nguyen Van Luyen P-10546.

All photos © - Phan Ke Loc

FLORA OF VIETNAM

Fam. Orchidaceae

Paphiopedilum barbigerum T.Tang et F.T.Wang var. lockianum Aver.

N. Vietnam, Prov. Son La, Distr. Moc Chau, Mun. Dong Sang, vill. Ba Phach, 20ø49'N, 104ø39'E, 1000-1100 m a.s.l. Lithophytic herb 20-30 cm tall, scattered or clustered in small groups in heavily logged evergreen tropical seasonal broad-leaved submontane forest on lightly shaded vertical cliffs, in cracks or narrow shelves of south-east slope of limestone mountains near the ridge top. Dorsal sepal brownish red with white margin and without darkish dots. Main forest dominantes are Acer sp., Lithocarpus sp.sp., Quercus sp.sp., Polyalthia sp., Pistacia weinmannifolia, Schefflera pes-avis, Phyllanthus sp., Quercus sp.sp., Sapotaceae, etc. Common ferns and herbs in understory are Cyrtomium hemionitis, C. pachyphyllum, Polystichum sp., Pteris deltodon, Phaphiopedilum dianthum, Begonia sp.sp., Carex phankei, and Urticaceae sp.sp. Rare with very limited distribution.

03 November 2001. Collectors: Phan Ke Loc, Nguyen Quang Hieu, Tran Tuan Anh, Nguyen Van Dinh and Nguyen Van Luyen P-10546.

FLORA OF VIETNAM

Paphiopedilum barbigerum T.Tang et F.T.Wang var. lockianum Aver.

(= P. coccineum H.Perner et R.Herrnamm)

Northern Vietnam, Prov. Lao Cai, Sa Pa town. Cultivated samples collected in the wild around the area. Broad-leaved evergreen forest on limestone. Coll. P.K.Loc. sine no, 29 September 2000.

All photos © - Phan Ke Loc, drawings - L. Averyanov

FLORA OF VIETNAM

Orchidaceae

Paphiopedilum callosum (Rchb.f.) Stein⁣.

Gai Lai Province, Pleiku City.

Averyanov L. s.n.

20.09.2015

FLORA OF VIETNAM

Plants of Ta Dung Nature Reserve

Orchidaceae

Paphiopedilum callosum (Rchb.f.) Stein

Vietnam, Dak Nong Prov., Dak Glong Distr., Dak Plao Municipality, steep mountain slopes of Ta Dung mountain system at elevation 600-800 m a.s.l. around point 11º52’14’’N 107º59’34’’E. Secondary dense broad-leaved evergreen wet forest with bamboo on steep rocky W faced stream slopes composed with crystalline highly metamorphosed sandstone. Terrestrial and lithophytic rosulate herb in shady places and rocky cliffs. Leaves dark – light green tessellated. Locally common.

HLF 5575 9 November 2005. Photo.

Coll. L.Averyanov, P.K.Loc, T.V.Thao, N.T.Vinh.

Grant from Henry Luce Foundation.

Fl. et coll. in horto.

FLORA OF VIETNAM

Orchidaceae

Paphiopedilum coccineum Perner et R.Herrmann

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. Clustering lithophytic herb on mossy vertical cliff. Central sepal reddish on center. Locally common.

CPC 918 14 December 2010

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

FLORA OF VIETNAM

Orchidaceae

Paphiopedilum coccineum Perner et R.Herrmann

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. Clustering rosulate lithophytic herb on vertical shady cliff. Median petal with purple-red center. Rare.

CPC 998 14 December 2010 Photos

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

FLORA OF VIETNAM

Orchidaceae

Paphiopedilum coccineum Perner et R.Herrmann

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. Clustering lithophytic herb on mossy vertical cliff. Central sepal reddish on center. Locally common.

CPC 918 14 December 2010

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

FLORA OF VIETNAM

Orchidaceae

Paphiopedilum coccineum Perner et R.Herrmann

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. Clustering rosulate lithophytic herb on vertical shady cliff. Median petal with purple-red center. Rare.

CPC 998 14 December 2010 Photos

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

FLORA OF VIETNAM

Orchidaceae

Paphiopedilum barbigerum Tang & F.T.Wang var. coccineum (Perner et R.Herrmann) W.Cavesrto

Son La Prov., Moc Chau Distr., Chieng Hac Municipality, around point 20º51’50’’N 104º31’17’’E. Broad-leaved evergreen dry forest on steep slopes and on tops of ridge composed with rocky crystalline solid marble-like highly eroded limestone at elev. 1200-1300 m a.s.l. Lithophytic clustering herb in crevices of vertical cliff near isolated top of ridge with vertical walls. Sepals and lip light brownish, central sepal white with pink-purple center. Very rare.

HAL 9406 31 Oct. 2006 Photo.

Coll.: Nguyen Tien Hiep, L.Averyanov, Pham Van The.

FLORA OF VIETNAM

Orchidaceae

Paphiopedilum barbigerum Tang & F.T.Wang var. coccineum (Perner et R.Herrmann) W.Cavesrto

Son La Prov., Moc Chau Distr., Chieng Hac Municipality, around point 20º51’50’’N 104º31’17’’E. Broad-leaved evergreen dry forest on steep slopes and on tops of ridge composed with rocky crystalline solid marble-like highly eroded limestone at elev. 1200-1300 m a.s.l. Lithophytic clustering herb in crevices of vertical cliff near isolated top of ridge with vertical walls. Sepals and lip light brownish, central sepal white with pink-purple center. Very rare.

HAL 9406 31 Oct. 2006 Photo.

Coll.: Nguyen Tien Hiep, L.Averyanov, Pham Van The.

FLORA OF LAOS

Orchidaceae

Oberonia gammiei King et Pantl.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55’51.4”N 102°23’50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-400 m.

Epiphyte on shady trees along stream. Locally common.

LA-VN 424 14 March 2013

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

Fl. in cult. in January 2915. Flowrers orange, ovary and pedicel green. Photos. 27 Jan. 2015, L. Averyanov

FLORA OF LAOS
Orchidaceae
Oberonia sp.

Houphan Prov., Viengxay Distr., Xieng Luong village, around point 20°22′06.1′'N 104°17′18.6′'E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 600-700 m a.s.l. Clustering epiphyte on old tree on mountain top. Occasional.
LA-VN 1209 8 April 2015 (herb + living plant)
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Orchidaceae
Oberonia sp.

Houphan Prov., Viengxay Distr., Xieng Luong village, around point 20°22′06.1′'N 104°17′18.6′'E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 600-700 m a.s.l. Epiphyte on old mossy tree on mountain top. Occasional.
LA-VN 1191 8 April 2015 (herb + living plant)
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF VIETNAM
Orchidaceae
Oberonia pachyphylla King et Pantl. ?

S. Vietnam, Prov. Ninh Thuan, distr. Ninh Son, municipalite Phuoc Binh, 37 km to NE from Dalat city. Closed primary broadleaved wet mt forest on E macroslope of Gia Rinh mt. ridge at 1700-1800 m alt. (N 12° 06′, E 108° 43′). Epiphyte on high trees. Not common.
VH 3510 01.04.1997
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)
Collectors: L. Averyanov, N.Q. Binh, P.K. Loc

FLORA OF LAOS
Orchidaceae
Oberonia sp.

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l. Epiphyte on old mossy tree. Locally common, particularly on mountain tops.
LA-VN 1106 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF VIETNAM
Orchidaceae
Oberonia sp.

N.Vietnam, Bac Kan Prov., Ba Be Distr., Nam Mau Municipality, Ba Be National Park around point 22o25′36′'N 105o37′50′'E. Heavily logged primary evergreen dry broad-leaved forest on very steep slopes and cliffs composed with crystalline highly eroded marble-like limestone along Ba Be lake at elevation 200-250 m a.s.l. Epiphytic herb. Rare.
HLF 582 22 Dec. 2002.
Coll. Phan Ke Loc, L.Averyanov, Hoang Van Chat, Do Hoang Chung, Nguyen Manh Hung, Vu Hong Van, Nguyen Tien Vinh, Mai Van Xinh.
Grant from Henry Luce Foundation.

Russian-Vietnamese Tropical Centre

Oberonia sp.

SOUTHERN VIETNAM

Kon Tum prov., Sa Thay distr., Ro Koi municip.

Chu Mom Ray National Park

33 km WNW from Kon Tum city

In the forest, river bank, epiphytic

N 14° 29' 40'' E 107° 43' 10'' elev. 800 m

Kuznetsov A.N., Kuznetsova S.P., Nuraliev M.S.

№ 1211 29.03.2015

Det. L.V. Averyanov

FLORA OF VIETNAM
Orchidaceae Juss.
Oberonia sp.

S. Vietnam, Prov. Kon Tum, Distr. Dak Gley, about 7 km to S of Dak Gley town, near Dak Pet willage. Primary evergreen forest on slopes of N exposition along Dak Poko river at 600-700 m alt. Epiphyte. Common.
VH 1591 12.11.1995
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5094-93)
Participants: L. Averyanov, N.T. Ban, A. Budantzev, L. Budantzev, N.T. Hiep, D.D. Huyen, P.K. Loc, G. Yakovlev

FLORA OF LAOS
Orchidaceae
Oberonia sp.

Luang Prabang prov., Pon Xay distr., Houay Man village, Phou Pak Sang Mountain, around point 19°59′03.8′'N 102°25′09.0′'E. Degraded primary evergreen and semideciduous forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 1000-1150 m a.s.l. Epiphyte on mossy trees on rocky mountain top. Common.
LA-VN 2044 4 April 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.

Orchidaceae

Oberonia falconeri Hook.f.

Luang Prabang prov., Ngoy distr., Nong Khiew village, Ta Nang Non Mountain around point 20°33’29.2’’N 102°36’54.5’’E. Secondary semideciduous and evergreen dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 600-650 m a.s.l. Epiphyte on old mossy tree on rocky mountain top. Common.

LA-VN 1919 31 March 2017

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.

FLORA OF LAOS
Orchidaceae
Oberonia sp.

Luang Prabang prov., Pon Xay distr., Nam Bo village, around point 19°57′23.5′'N 102°26′16.4′'E. Degraded primary evergreen and semideciduous forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 650-750 m a.s.l. Epiphyte on old tree on mossy rocky mountain top. Not common.
LA-VN 2171 6 April 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.

FLORA OF VIETNAM
Orchidaceae
Oberonia sp.

Son La Prov., Moc Chau Distr., Chieng Son comm., about 1 km to NE from Chieng Son Village, around point 20°46′02.0N 104°37′03.1E. Remnants of primary broad-leaved evergreen forest on tops of hills composed with karstic highly eroded yellow-white limestone at elevation 1150-1250 m a.s.l. Epiphyte on mossy trees on mountain top. Not rare.
27 September 2016 CPC 8092
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.

FLORA OF LAOS
Orchidaceae
Oberonia sp.

Luang Prabang prov., Pon Xay distr., between Houay Man and Nam Bo villages, Phou Hua Ben Toc Mountain, around point 19°57′33.1′'N 102°25′25.8′'E. Degraded primary evergreen and semideciduous forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 500-650 m a.s.l. Epiphyte on mossy trees in shady place near mountain top. Not rare.
LA-VN 2091 5 April 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.

FLORA OF LAOS
Orchidaceae
Oberonia falconeri?

Houphan Prov., Hem Distr., Na Puok village, Pu Tham Nhon mountain around point 20°10′00.0′'N 103°24′37.0′'E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky mountain slopes composed by solid marble-like highly eroded limestone at elev. 1050-1150 m a.s.l. Epiphyte on old mossy tree near mountain top. Common.
LA-VN 1333 11 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF VIETNAM
Orchidaceae Juss.
Oberonia sp.

S. Vietnam, Prov. Kontum. Evergreen primary forest at 1800-1900 m alt. on NW slope of Ngoc Linh mountain system on elevation to Ngoc Gua peak. Epiphyte. Common at 1800-2000 m alt.
VH 1232 09.04.1995
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5094-93)
Participants: L. Averyanov, N.T. Ban, N. Q. Binh, A. Budantzev, L. Budantzev, N.T. Hiep, D.D. Huyen, P.K. Loc, N.X. Tam, G. Yakovlev

Orchidaceae

Oberonia variabilis Kerr.

S. Vietnam, Kontum Prov., Kon Plong Distr., Hieu Municipality, Mang La forest enterprise (14ø39'N, 108ø25'E). Primary broad-leaved closed evergreen wet mountain forest on sandstone steep slopes of forest river at elev. 1100-1200 m. Epiphyte on high tree. Flowers orange-brown. Rare.

No VH 5702 24.04.2000

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)

Collectors: L.Averyanov, P.H.Hoang, D.X.Du, N.T.Vinh