Herbarium LE - Specimens

FLORA OF VIETNAM

Ceratostylis himalaica Hook.f.

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 800-950 m alt.
Epiphyte. Tepals brownich yellow, epichile yellow. Not rare.
VH 4987 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 LAOS
Orchidaceae
Cleisostoma rostratum Seidenf. ex Aver.

Houphan Prov., Hem Distr., Nacoc village, Puphadeng mountain, around point 20°09′52.6′'N 103°10′19.4′'E. Primary and secondary broad-leaved evergreen open dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 1000-1200 m a.s.l. Epiphyte on old trees near mountain top. Not common.
LA-VN 1398 12 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF VIETNAM
Orchidaceae
Cleisostoma rostratum (Lindl.) Garay

Thanh Hoa Prov., Thuong Xuan Distr., Van Xuan Municipality, Hang Cao village, Xuan Lien Natural Reserve. Remnants of primary and secondary broad-leaved evergreen forest on highly eroded rocky limestone hills at elevation 100-200 m a.s.l. around point 19°50′47.2″N 105°14′42.7″E. Lithophyte with pendulous shoots to 0.5 m long on shady vertical cliff. Not common.
8 November 2013 CPC 6889
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, N.D.Thang, L.D.Qui

Orchidaceae

Ceratostylis himalaica Hook.f.⁣

Ha Giang Prov., Vi Xuyen Distr., Tung Ba municipality, Khau Ca NR. Primary broad-leaved humid evergreen forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 700-1150 m a.s.l. around point 22°50′39.4″N 105°07′50.3″E. Epiphytic herb; Flower labellum yellow. common.

08 May 2015 CPC 7795 Coll.: N.Q. Hieu, N.T.Hiep, T.B. Ngan, C.Q. Ngan, D.K. Harder, C. P. Tuy, G.C.Pao

FLORA OF VIETNAM
Orchidaceae
Cleisostoma rostratum (Lodd.) Seidenf.

Vietnam, Quang Binh Prov., Quang Ninh Distr., Truong Son municipality, around point 17°20′07″N 106°26′02″E. Primary broad-leaved forest on tops and on steep shale hill slopes along Khe Den stream at elevation 300-400 m a.s.l. Epiphyte on tall tree. Leaves dark green to dark violet. Not common.
HAL 11557 15 April 2008
Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, N.S.Khang

ORCHIDACEAE

Cleisostoma rostratum (Lindl.) Garay

Hoa Binh

Mai Chau District, Van Mai Municipality along road between Van Mai and Thanh

Hoa, approx. 2 km SW of Van Mai municipal buildings, then trail E

between 2 ridges approx. 5 km E then SW to top of near two ridges. Collections

from disturbed secondary forest on ridgetop with bamboo and lack of mosses

on rocks. Remnants of primary forest and herbaceous vegetation on upper slopes,

on limestone and shale soils with large, anciently eroded marble-like limestone.

20°34'17"N 105°01'58"E 648 m

Occasional, on rocks; vegetative, green with darker green-brown; young fruit green, ridged.

14 Dec 2002

D.K. Harder, N.T. Hiep & L.V. Averyanov

8200

Supported by National Geographic Society

MISSOURI BOTANICAL GARDEN HERBARIUM (MO)

FLORA OF VIETNAM
Orchidaceae
Ceratostylis himalaica Hook.f.

N. Viet Nam. Ha Giang Province, Quang Ba District, at Sin Suoi Ho
village on east side of Sin Suoi Ho river. Degraded forest along north
ridge slope. Limestone substrate and exposed rock outcrops at elev.
about 1000-1100 m. 23°06′57′'N, 105°01′48′'E. On tree trunks. Stem
bracts brown-red, scaly. Outer tepals pale yellow orange, steaked in
red-purple, labellum dull-yellow, rostellum white. Occasional.

DKH 4938 3 April 2000

Collectors: D.K.Harder, N.T.Hiep, L.V.Averyanov, N.Q.Hieu, K.Daria.

Orchideaceae

Cleisostoma rostratum (Lindl.) Garay⁣

Bac Kan Prov., Cho Don Distr.

Chu Xuan Canh sine no.

01.08.2018

FLORA OF VIETNAM
Orchidaceae
Cleisostoma rostratum (Lodd.) Seidenf.

N.Vietnam, Bac Kan Prov., Ba Be Distr., Nam Mau Municipality, Ba Be National Park around point 22025′34′'N 105036′03′'E. Heavily logged primary closed evergreen dry broad-leaved forest on steep slopes of remnant mountains composed with crystalline highly eroded marble-like limestone at elevation 660 m a.s.l. Lithophitic herb with pendent shoots up to 0.5 m long. Occasional.
HLF 503 21 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.

FLORA OF VIETNAM
Orchidaceae
Cleisostoma rostratum (Lodd.) Seidenf.

N.Vietnam, Bac Kan Prov., Ba Be Distr., Nam Mau Municipality Nam Dai village, Ba Be National Park around point 22025′ 651′'N 1050 35′ 613′'E. Near primary closed evergreen broad-leaved forest on top of remnant mountains composed with crystalline highly eroded marble-like limestone at elevation 704 m a.s.l. Epiphyte. Very common.
HLF 537 21 Dec. 2002.
Coll. Nguyen Tien Hiep, Jacinto Regalado, Duong Van Xy, Bang Tien Sy
Grant from Henry Luce Foundation.

FLORA OF VIETNAM
Orchidaceae
Ceratostylis himalaica Hook.f.

N. Viet Nam. Ha Giang Province, Quang Ba District, Bat dai Son.
Primary forest on limestone with Biota sp., Fraxinus, Quercus,
Pseudotsuga, Acer and Taxus dominants along ridge and below peak at
elev. 1100-1200 m (about 23°07′N 105°02′E). Epiphyte on top of ridge.
Stem bracts brown-red, scaly, outer tepals pale yellow orange, steaked
in red-purple, labellum dull yellow, rostellum white. Occasionally
abundant.

DKH 5126 5 April 2000

Collectors: D.K.Harder, N.T.Hiep, L.V.Averyanov, N.Q.Hieu, K.Daria.

FLORA OF VIETNAM
Orchidaceae
Cleisostoma rostratum (Lodd.) Seidenf.

Vietnam, Nghe An Prov., Tuong Duong Distr., Tam Quang Municipality, Tung Huong village, along Khe Mat stream around point 19°03′26″N 104°37′22″E at elevation about 200 m a.s.l. Lowland closed secondary evergreen forest on steep slopes along rocky stream valley composed with stratified solid shale and sandstone. Epiphyte on tall trees along steep rocky shady stream slopes. Very common.
HLF 6571 15 March 2007.
Coll. Averyanov L., P.K.Loc, N.V.Trai, N.T.Vinh, N.D.Phuong, Averyanova A.
Grant from Henry Luce Foundation.

ORCHIDACEAE

Cleisostoma rostratum (Lindl.) Garay

det. L. Averyanov, 2001

Ha Giang

Vi Xuyen District; Phong Quang Municipality; Man Village. Limestone peaks and ridges NE of Village.

22°53'21"N 104°56'45"E 595 - 787 m

Occasional, lithophytic, sometimes

epiphytic. Leaves dark dull green; young stems and leaves with purple spots.

15 February 2001

D.K. Harder, P.K. Loc, L.V. Averyanov, G.E. Schatz & S. Bodine 6416

Supported by National Science Foundation and National Geographic Society

MISSOURI BOTANICAL GARDEN HERBARIUM (MO)

FLORA OF VIETNAM
Orchidaceae
Cleisostoma rostratum (Lindl.) Garay

N.Vietnam, Tuyen Quang Prov., Na Hang Distr., Nam Chang Village, Vinh Yen commune: Pu Len mountain around point 22(20′432N 105(25′886 E. Primary forest on North - eastern slope at elevation 620 m a.s.l.
HLF 665 24 Dec. 2002.
Coll. Hoang Van Chat, Nguyen Manh Hung, Duong Van Xy, Bang Tien Sy.
Grant from Henry Luce Foundation.

FLORA OF VIETNAM
Orchidaceae
Cleisostoma rostratum (Lodd.) Seidenf.

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 evergreen broad-leaved forest along tops of rocky ridges and mesae composed with light gray solid marble-like highly eroded crystalline limestone. Lithophyte and epiphyte. Common.
HAL 5564 10 June 2004
Collectors: L.Averyanov, P.K.Loc, P.V.The, N.T.Vinh.

FLORA OF VIETNAM
Orchidaceae
Cleisostoma rostratum (Lindl.) Garay

N. Vietnam, Prov. Quang Binh, distr. Minh Hoa, 72 km to NWW from Dong Hoi, municipalite Thong Hoa, vicinities of Yen Son village, limestone massif Ke Bang (N 17°40′ E 105°57′). Broadleaved evergreen closed primary forest on steep slopes and bluffs of limestone mesas at 450-500 m alt. Epiphyte. Not common.
VH 4773 17.05.1997
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
Orchidaceae
Cleisostoma rostratum (Lindl.) Garay

N. Vietnam, Ha Giang prov., Dong Van distr., Tu Tinh municipality (N 23°05′ E 105°15′), 40.7 km to 43° of Ha Giang city. Remnants of dry broadleaved evergreen forest on steep slopes and cliffs near the top of karst limestone isolated mesae at elev. 600-750 m a.s.l. Lithophyte on shady cliff. Leaves violet. Not rare.
NTH 3508 10 Oct. 1999
Collectors: N.T. Hiep, N.Q. Binh, L. Averyanov, P. Cribb.

FLORA OF VIETNAM
Orchidaceae
Cleisostoma rostratum (Lodd.) Seidenf.

Quang Binh Prov., Tuyen Hoa Distr., Lam Hoa municipality, Hung village, around point 17°56′10”N 105°49′15”E, at elev. 150-200 m a.s.l. Highly degraded primary and secondary evergreen broadleaved forest on very steep rocky slopes of remnant limestone hills composed with highly eroded marble-like crystalline limestone. Pendent epiphyte and lithophytic on shady rocky slope. Common.
CPC 2458 29 April 2011
Coll.: L.Averyanov, P.K.Loc, N.Q.Hieu, P.V.The, N.T.Vinh.

FLORA OF VIETNAM
Orchidaceae
Cleisostoma rostratum (Lodd.) Seidenf.

Vietnam, Lang Son Prov., Bac Son Distr., Tan Tri Municipality, around Na Mau village. Highly degraded primary and secondary broad-leaved evergreen forest on very steep slopes and along tops of ridge composed with solid highly eroded crystalline gray marble-like limestone at elevation about 500-600 m a.s.l. Lithophytic herb on shady vertical cliff. Occasional.
HAL 6722 14 March 2005.
Collectors: L.Averyanov, N.T.Hiep, P.V.The, A.Averyanova.

Orchidaceae

Cleisostoma rostratum (Lindl.) Garay

N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan, vicinity of Thang Heng and Lung Tao villages near Thang Heng lake. Closed evergreen broadleaved primary forest on steep slopes and bluffs
of limestone ridges and mesas at 500-550 m alt. Epiphytic and epilitic herb with pendant shoots in shadow places. Not rare. VH 4978 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
Cleisostoma rostratum (Lindl.) Garay

N. Vietnam, Lang Son prov., Huu Lung distr., Huu Lien municipality (N 21°40′ E 106°22′). Primary dry evergreen broadleaved forest along tops of remnant karst limestone ridge at elev. 270 m a.s.l. Lithophyte on shady cliffs. Not rare.
NTH 3272 02 Oct. 1999
Collectors: N.T. Hiep, N.Q. Binh, L. Averyanov, P. Cribb.

FLORA OF VIETNAM
Orchidaceae
Cleisostoma rostratum (Lodd.) Seidenf.

N.Vietnam, Bac Kan Prov., Cho Don Distr., Ban Thi Municipality, village Phia Khao, around point 22°16′58′'N, 105°31′20′'E at elevation 800-900 m a.s.l. (Lung Chang and Lung Li mountains). Primary broad-leaved evergreen closed and coniferous (with Pinus kwangtungensis) forest on very steep slopes and cliffs along tops of rocky ridge composed with solid marble-like stratified limestone. Epiphyte and lithophyte. Very common.
HAL 4695 20 May 2004
Collectors: L.Averyanov, N.T.Hiep, P.V.The, N.T.Vinh.

FLORA OF VIETNAM
Orchidaceae
Cleisostoma rostratum (Lodd.) Seidenf.

N.Vietnam, Bac Kan Prov., Na Ri Distr., Liem Thuy Municipality, Na Bo village, around point 21°56′44′'N, 106°05′09′'E, at elevation 300-600 m a.s.l. Primary selectly logged broad-leaved evergreen forest on very steep slopes and cliffs of rocky ridge composed with white solid marble-like crystalline limestone. Lithophyte on shady cliffs. Common.
HAL 5411 29 May 2004
Collectors: L.Averyanov, N.T.Hiep, P.V.The, N.T.Vinh.

FLORA OF VIETNAM
Orchidaceae
Cleisostoma rostratum (Lindl.) Garay

N. Vietnam, prov. Cao Bang, distr. Ha Lang, municipality Duc Quang, vicinities of Lung Hoai village (N 22°43′ E 106°40′), about 43 km to E from Cao Bang town. Primary open coniferous and mixed semideciduous forest (with Pinus kwangtungensis and Pseudotsuga brevifolia) along tops of remnant limestone ridge at 600-650 m alt. Epiphyte. Common.
CBL 751 28 Nov. 1998
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)
Collectors: Averyanov L., P.K. Loc.

FLORA OF VIETNAM
Orchidaceae
Cleisostoma rostratum (Lindl.) Garay

N. Vietnam, prov. Cao Bang, distr. Thach An, about 28 km to SE from Cao Bang town (N 22°29′ E 106°28). Primary evergreen broadleaved closed wet forest along deep shadow canyon of remnant limestone ridge at 300-400 m alt. Epilite herb with pendant shoots up to 0.6 m lg on steep shadow waterfall cliffs. Common.
CBL 951 06 Dec. 1998
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)
Collectors: Averyanov L., N.Q.Binh, N.X.Tam.

FLORA OF VIETNAM
Orchidaceae
Ceratostylis subulata Blume

S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality,
elevation from Dak Tour village (12°30′N, 108°30′E) to main peak of
Chu Yang Sinh mt system (12°24′N, 108°26′E) along Dak Tour river (N
slope). Primary wet closed mountain broad-leaved forest on granites
along river slopes at elev. 500-900 m. Epiphyte on mossy trees above
river in shady place. Not rare.

VH 6077 04.05.2000

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

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

FLORA OF VIETNAM

Fam. Orchidaceae Juss.

Ceratostylis subulata Blume

S. Vietnam, Prov. Kontum. Primary evegreen mountain forest along

stream on N slope of Ngoc Linh mountain system at 1300 m alt.

Epiphyte. Not common.

No VH 695 12.03.1995

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

FLORA OF VIETNAM

Orchidaceae Juss.
Ceratostylis subulata Blume

S. Vietnam, Prov. Kontum. NW slopes of Ngoc Linh mountain system
at 1600 m alt. Evergreen primary forest.
Epiphyte on old trees along mountain stream. Rare.
VH 302 02.03.1995
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

FLORA OF VIETNAM
Orchidaceae
Ceratostylis subulata Blume

S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay,
36-38 km to NE from Dalat city. Closed primary dry evergreen
broadleaved mt forest at 1550-1600 m alt. in 12-14 km from Bi Dup main
peak to the NNW (N 12° 08′, E 108° 39′).
Epiphyte on high trees. Rare.
VH 3778 08.04.1997

International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)
Collectors: L. Averyanov, N.Q. Binh

Orchideaceae

Ceratostylis siamensis Rolfe ex Downie

SW. Laos, Champasak province, Pakse district, Bolaven plateau, дорога Paksong - Ban Houay Kong, на середине дороги поворот на север 6 км эпифит, 1170 м н.у.м. 15,14.191N 106,25.694E. 26 November 2015, E.Konstantinov, T.Vongsa, K-393.

FLORA OF VIETNAM
Orchidaceae

Nghe An Prov., Ky Son Distr., Na Ngoi Municipality, Phu Kha village, eastern slopes of Phu Xai Lai Leng mountain system. Primary broad-leaved humid forest on steep granite slopes at elevation about 2350 m a.s.l. around point 19°12′21.2″N 104°11′28.9″E. Epiphyte. Common.
23 October 2013 CPC 6037
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan, N.A.Trang, L.H.Dang

FLORA OF VIETNAM
Plants of Ta Dung Nature Reserve
Orchidaceae
Ceratostylis siamensis Downie

Vietnam, Dak Nong Prov., Dak Glong Distr., Dak Plao Municipality, steep mountain slopes along main ridge of Ta Dung mountain system at elevation 1700-1985 m a.s.l. around point of highest peak at 11°51′30″N 108°02′08″E. Primary broad-leaved evergreen closed wet mossy cloudy forest on crystalline highly metamorphosed sandstone. Epiphyte on mossy tall tree. Not common.
HLF 5684 8 November 2005.
Coll. L.Averyanov, P.K.Loc, T.V.Thao, N.T.Vinh.
Grant from Henry Luce Foundation.

FLORA OF VIETNAM
Orchidaceae
Ceratostylis siamensis Downie

S.Vietnam, Thua Thien Hue Prov., Xuan Loc Distr., Bach Ma National Park, along Dong Truoi ridge around point 16°14′11′'N 107°44′28′'E. Broad-leaved evergreen primary closed forest on very steep granite slope at elev. 900-1160 m a.s.l. Epiphyte in shady place on mossy tree. Occasional.
HLF 1772 7 May 2003.
Coll. N.T.Hiep, L.Averyanov, N.T.Vinh et al.
Grant from Henry Luce Foundation.

FLORA OF VIETNAM
Orchidaceae
Ceratostylis siamensis Downie

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. Epiphyte on mossy trees on steep rocky shady mountain slope. Locally common.
HAL 10181 29 Nov. 2006
Coll.: Nguyen Tien Hiep, L.Averyanov, Pham Van The.

FLORA OF VIETNAM
Orchidaceae
Ceratostylis siamensis Downie

Vietnam, Nghe An Prov., Tuong Duong Distr., Tam Hop Municipality, Pa Lom village, around point 19°04′41″N 104°20′51″E at elevation 1400-1500 m a.s.l. Submontane primary evergreen closed forest on very steep mountain slopes composed with stratified solid shale. Epiphyte on tall mossy trees on rocky shady steep rocky slope. Flower buds yellowish-white, sepals with purple nerves. Very common.
HLF 6978 24 March 2007.
Coll. Averyanov L., P.K.Loc, N.V.Trai, N.T.Vinh, N.D.Phuong, Averyanova A.
Grant from Henry Luce Foundation.

FLORA OF VIETNAM
Orchidaceae
Ceratostylis siamensis Downie

Vietnam, Quang Binh Prov., Le Thuy Distr., Kim Thuy municipality, around Bai Dan village at 16°57′48″N 106°35′34″E. Primary and old secondary broad-leaved closed forest along ridge composed with shale at elevation 750-1000 m a.s.l. Epiphyte on mossy tree on shady slope. Locally common.
HAL 11454 10 April 2008
Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, N.S.Khang

ORCHIDACEAE

Ceratostylis siamensis Rolfe ex Downie

Kon Tum

Kon Plong District; Hieu Municipality; Lam Truong Mang La; Forest Enterprise

Station; collections within 0.5 km of Station on south side; Disturbed Closed

Evergreen Submontane Forest. 14°38'55"N 108°25'15"E 1186 m

Rare; epiphyte on tree trunks; young fruits green.

1 March 2000

D. K. Harder, P.K. Loc, N.T. Hiep & P. K. Long 4661

MISSOURI BOTANICAL GARDEN HERBARIUM (MO)

FLORA OF VIETNAM

Ceratostylis radiata J.J.Smith ?

S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay,
36-38 km to NE from Dalat city. Closed primary dry evergreen

broadleaved mt forest at 1550-1600 m alt. in 12-14 km from Bi Dup main
peak to the NNW (N 12° 08′, E 108° 39′).
Epiphyte on high trees. Abundant.
VH 3776 08.04.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.Q. Binh

FLORA OF VIETNAM
Orchidaceae
Ceratostylis himalaica Hook.f.

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.

Epiphyte on mossy trees on very steep mossy shady rocky slope near mountain top. Common.

13 November 2013 CPC 7082
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, N.D.Thang, L.D.Qui

Plants of Bi Doup – Nui Ba National Park

Orchidaceae

Ceratostylis siamensis Rolfe ex Downie

Vietnam, Lam Dong Prov., Lac Duong Distr., Da Chais Municipality, around point 12є06’44’N 108є39’27’’E, at elevation 1800-2000 m a.s.l. along main ridge and on W slope of Bi Doup mt. Primary broad-leaved closed wet forest. Epiphyte on tall trees. Flowers white. Sepals and petals with purple stripes, lip white with fleshy brightly yellow epichile. Common.

HLF 5237b 15 October 2005. Photo.

Coll. L.Averyanov, P.K.Loc, J.Regalado, T.T.T.Trang, T.V.Thao, N.V.Duy, N.T.Vinh.

Grant from Henry Luce Foundation.

FLORA OF VIETNAM
Orchidaceae
Ceratostylis himalaica Hook.f.

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. Epiphyte on mossy trees on mountain top. Not common.

29 September 2016 CPC 8142
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.

FLORA OF VIETNAM
Orchidaceae
Ceratostylis siamensis Rolfe ex. Downie

S. Vietnam, Kontum Prov., Kon Plong Distr., Hieu Municipality, Mang La forest enterprise (14°39′N, 108°25′E). Primary evergreen broad-leaved wet forest on steep mt. slopes on sandstone & gneiss at elev. 1000-1200 m. Epiphyte on high tree. Not rare.
VH 5153 15.04.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)
Collectors: L.Averyanov, P.K.Loc, P.H.Hoang, D.X.Du, N.T.Vinh

.FLORA OF VIETNAM

Ceratostylis radiata J.J.Smith ?

S. Vietnam, Prov. Lam Dong, 31 km to NE from Dalat city, distr. Lac Duong, municipalite Da Chay, vicinities Klong Lanh village (N 12° 08′, E 108° 39′). Closed primary broadleaved mt forest on NW macroslope of
Bi Dup mt system at 1850-1950 m alt. Epiphyte on high trees.
VH 2690 15.03.1997
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)

Collectors: L. Averyanov, N.Q. Binh, N.V. Duy, P.K. Loc

FLORA OF VIETNAM
Orchidaceae

Ceratostylis himalaica Hook.f.

Ha Giang Prov., Vi Xuyen Distr., Tung Ba municipality, Khau Ca NR.
Primary broad-leaved humid evergreen forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 700-1150 m a.s.l. around point 22°50′43.9″N 105°07′18.5″E.
Epiphytic herb. Occasional.
09 May 2015 CPC 7843 Coll.: N.Q. Hieu, N.T.Hiep, T.B. Ngan, C.Q. Ngan, D.K. Harder, C. P. Tuy, G.C.Pao