Herbarium LE - Specimens

Acanthaceae

Staurogyne sp.

Vietnam, Thua Thien – Hue Prov., Nam Dong Distr., Huong Son Municipality, around point 16°09'52''N, 107°36'22''E (around plot 16°09'36''N, 107°36'10''E). Heavily logged primary closed broad-leaved evergreen lowland forest along La Ma River on very steep hill slopes composed with clayey shale at elevation about 300-450 m a.s.l. Terrestrial herb on shady rocky stream slope. Flowers white. Leaves deep green with median light greenish stripe. Not common.

HAL6965 26 March 2005.

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

Plants of Nui Chua national park

Apocynaceae

Kopsia arborea Blume

S.Vietnam, Ninh Thuan Prov., Ninh Hai Distr., Vinh Hai Municipality, E slopes on Nui Chua mountains to SW of point 11o43'52''N 109o08'35''E at elev. about 600-700 m a.s.l. Border of primary evergreen closed dry forest and dry savanna-like secondary grasslands on rocky mountain slopes composed with granite. Treelet 2-3 m tall. Flowers white. Occasional.

HLF4470 1 April 2004.

Coll. J.Regalado, N.T.Hiep, P.K.Loc, L.Averyanov, N.T.Vinh, P.V.Doan, T.T.An, N.T.Hoi, T.V.Huong, N.V.Su, T.T.T.Trang, H.A.Tuan.

Grant from Henry Luce Foundation.

Plants of Nui Chua national park

Aceraceae

Acer laevigatum Wall.

S.Vietnam, Ninh Thuan Prov., Ninh Hai Distr., Vinh Hai Municipality, NEE slopes on Nui Chua mountains to SW of point 11o43'52''N 109o08'35''E at elev. about 600-700 m a.s.l. Primary evergreen closed dry forest on rocky mountain slopes composed with granite. Tree 10-15 m tall. Flowers light greenish, old leaves red. Occasional.

HLF4246 27 March 2004.

Coll. J.Regalado, N.T.Hiep, P.K.Loc, L.Averyanov, N.T.Vinh, P.V.Doan,

T.T.An, N.T.Hoi, T.V.Huong, N.V.Su, T.T.T.Trang, H.A.Tuan.

Grant from Henry Luce Foundation.

Plants of Nui Chua national park

Arecaceae

Areca triandra

S.Vietnam, Ninh Thuan Prov., Ninh Hai Distr., Vinh Hai Municipality, NEE slopes on Nui Chua mountains to SW of point 11o43'52''N 109o08'35''E at elev. about 600-700 m a.s.l. Primary evergreen closed dry forest on rocky mountain slopes composed with granite. Palm up to 4 m tall on rocky stream slope. Common.

HLF4184 27 March 2004 Photo

Coll. J.Regalado, N.T.Hiep, P.K.Loc, L.Averyanov, N.T.Vinh, P.V.Doan, T.T.An, N.T.Hoi, T.V.Huong, N.V.Su, T.T.T.Trang, H.A.Tuan.

Grant from Henry Luce Foundation.

Plants of Nui Chua national park

Apocynaceae

Strophanthus caudatus (L.) Kurz

S.Vietnam, Ninh Thuan Prov., Ninh Hai Distr., Vinh Hai Municipality, Cau Gay village, around point 11o43'38''N 109o11'25''E at elev. about 50 m a.s.l. Open secondary forest and shrubs on dry rocky slopes of low hills composed with granite along stream. Woody vine about 20-25 m long. Flowers white with deep purple apical part of tepals. Occasional.

HLF3191 20 March 2004 Photo

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

Grant from Henry Luce Foundation.

Plants of Nui Chua national park

Apocynaceae

Cerbera manghas L.

S.Vietnam, Ninh Thuan Prov., Ninh Hai Distr., Vinh Hai Municipality, Cau Gay village, around point 11o43'38''N 109o11'25''E at elev. about 50 m a.s.l. Open secondary forest and shrubs on dry rocky slopes of low hills composed with granite along stream. Tree up to 15 m tall. Flowers white. Very common.

HLF3188 20 March 2004 Photo

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

Grant from Henry Luce Foundation.

Plants of Nui Chua national park

Anacardiaceae

Pentaspadon annamense (Evr. & Tard.) Phamh.

S.Vietnam, Ninh Thuan Prov., Ninh Hai Distr., Vinh Hai Municipality, Cau Gay village, around point 11o43'38''N 109o11'25''E at elev. about 50 m a.s.l. Open secondary forest and shrubs on dry rocky slopes of low hills composed with granite along stream. Semideciduous tree about 8 m tall. Occasional.

HLF3182 20 March 2004.

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

Grant from Henry Luce Foundation.

Plants of Nui Chua national park

Anacardiaceae

Buchanania siamensis Miq.

S.Vietnam, Ninh Thuan Prov., Ninh Hai Distr., Vinh Hai Municipality, Vinh Hy village, around point 11o43'20''N 109o11'47''E at elev. 50-150 m a.s.l. Dense secondary shrubs on dry rocky\sandy slopes of low hills composed mainly with granite along sea cost at elevation about 100 m a.s.l. Tree 5-7 m tall. Flowers white. Very common.

HLF3157 19 March 2004.

Coll. Phan Ke Loc, L.Averyanov.

Grant from Henry Luce Foundation.

Annonaceae

Uvaria sp. ?

S.Vietnam, Thua Thien Hue Prov., Phu Loc Distr., Bach Ma National Park, dry open secondary shrubs on granite cliffs along river in laterite hilly area near national park headqoarter around point 16°14'47''N 107°52'31''E at elev. about 40 m a.s.l. Treelet 1.5-2 m tall. Flowers dull reddish-brown. Occasional.

HLF1319 25 April 2003. (Photo).

Coll. L.Averyanov, N.T.Vinh.

Grant from Henry Luce Foundation.

Apocynaceae

Tabernaemontana sp.

S.Vietnam, Thua Thien Hue Prov., Phu Loc Distr., Bach Ma National Park, Bach Ma mt, Hai Vong Dai peak, around point 16°11'46''N 107°51'45''E at elev. 1300-1350 m a.s.l. Mixed and broad-leaved evergreen primary closed mt forest on steep granite slopes. Shrub 2-3 m tall with milky juice on steep shady slope. Flowers yellowish-white. Common.

HLF923 18 April 2003. (Photo)

Coll. V.X.Phuong, L.Averyanov, N.X.Tam, N.T.Vinh.

Grant from Henry Luce Foundation.

Aquifoliaceae

Ilex triflora ?

S.Vietnam, Thua Thien Hue Prov., Phu Loc Distr., Bach Ma National Park, Bach Ma mt, Hai Vong Dai peak, around point 16°11'46''N 107°51'45''E at elev. 1300-1350 m a.s.l. Mixed and broad-leaved evergreen primary closed mt forest on steep granite slopes. Tree 3-4 m tall on shady steep rocky slope. Flowers light green-violet. Not common.

HLF911 18 April 2003.

Coll. V.X.Phuong, L.Averyanov, N.X.Tam, N.T.Vinh.

Grant from Henry Luce Foundation.

Araliaceae

Macropanax sp.

N.Vietnam, Bac Kan Prov., Cho Don Distr., Ban Thi Municipality, Phia Khao village, Lung Li locality 22ш17'30''N 105ш31'16''E. Primary broadleaved evergreen closed wet forest on very steep slopes and cliffs of remnant mountains composed with highly eroded crystalline limestone at middle part of mt slope at elev. 600-700 m a.s.l. Semishrub or herb up to 1.5 m hg on shady wet slope. Fruits black-violet. Locally very common.

HLF785 25 Dec. 2002.

Coll. Phan Ke Loc, L.Averyanov, Nguyen Anh Duc, To Van Thao, Mai Van Xinh, Nguyen Tien Vinh.

Grant from Henry Luce Foundation.

Acanthaceae

Strobilanthes sp.

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. Terrestrial shrublet up to 1.5 m hg. Flowers light violet. Very common. Usual codominante of herb forest stratum.

HLF502 21 Dec. 2002. Photo.

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.

Anacardiaceae

Mangifera indica

N.Vietnam, Ha Giang HAL s.n. a.2005 March, L. Averyanov

Arecacaceae

Arenga westerhoutii Griff.⁣

N.Vietnam, Thanh Hoa, Co Lung, HAL s.n. a.2003, L. Averyanov

Arecacaceae

Arenga westerhovtii

N.Vietnam, Ninh Binh, Cuc Phuong HAL s.n. a. 2002, L. Averyanov.

Apiaceae

Sanicula coerulea sp.nov.?

Quang Binh Prov., Minh Hoa Distr., Dan Hoa Municipality, to the EEN of Bai Dinh village around point 17°46’34”N 105°48’56”E. Primary broad-leaved closed wet forest on very steep rocky slopes and cliffs of low remnant mountains composed with highly eroded solid marble-like limestone at elevation about 700-800 m a.s.l. Lithophytic herb on open wet boulders along waterfall on tall limestone cliff. Flowers light blue. Rare.

HAL12544 11 February 2009

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

Acanthaceae

Strobilanthes sp.

Quang Binh Prov., Minh Hoa Distr., Dan Hoa Municipality, Bai Dinh village around point 17°45’28”N 105°46’14”E. Remnants of primary evergreen broad-leaved forest along rocky stream canyon composed with highly eroded marble-like solid limestone at elevation about 160-250 m a.s.l. Undershrub to 1.5 m tall in shady place along rocky stream valley. Flowers blue. Not common.

HAL12333 6 February 2009 Photo

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

Amaranthaceae

Deeringia sp.

Quang Binh Prov., Minh Hoa Distr., Dan Hoa Municipality, Bai Dinh village around point 17°45’28”N 105°46’14”E. Remnants of primary evergreen broad-leaved forest along rocky stream canyon composed with highly eroded marble-like solid limestone at elevation about 160-250 m a.s.l. Climbing shrub with shoots to 5 m long along rocky stream valley. Fruits juicy, brightly red. Not common.

HAL12332 6 February 2009 Photo

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

Apocynaceae

Beaumontia pitardii Tsiang

Vietnam, Quang Binh Prov., Quang Ninh Distr., Truong Son municipality, around Chan Trong village at 17є10’49’’N 106є29’22’’E. Secondary dry broad-leaved forest on steep slopes of highly eroded karst limestone hills composed with gray solid marble limestone along Long Dai River, at elevation about 30 m a.s.l. Woody vine to 20 m long. Flowers white, fragrant. Not common.

HAL11548 13 April 2008 photo

Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, N.S.Khang

Vietnam, Quang Binh Prov., Le Thuy Distr., Kim Thuy municipality, around Bai Dan village at 16є57’48’’N 106є35’34’’E. Primary and old secondary broad-leaved closed forest along ridge composed with shale at elevation 750-1000 m a.s.l.

HAL11453a 10 April 2008 photo

Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, N.S.Khang

Apocynaceae

Pentasacme sp.?

Thua Thien – Hue Prov., Nam Dong Distr., Thuong Lo Municipality, along Cha Mang stream, around point 16°06’26’’N 107°44’40’’E. Remnants of primary evergreen broad-leaved lowland forest on very steep hill slopes composed with stratified shale and sandstone at elev. 100-150 m a.s.l. Lithophytic undershrub 10-20 cm tall on rocky stream valley. Flowers white. Not common.

HAL11016 8 Apr. 2007. Photo.

Coll.: L.Averyanov, Phan Ke Loc, A.Averyanova, N.D.Phuong, L.V.Hung.

Acanthaceae

Strobilanthes sp.

Thua Thien – Hue Prov., Nam Dong Distr., Thuong Lo Municipality, along Cha Mang stream, around point 16°06’26’’N 107°44’40’’E. Remnants of primary evergreen broad-leaved lowland forest on very steep hill slopes composed with stratified shale and sandstone at elev. 100-150 m a.s.l. Terrestrial herb up to 1.5 m tall on steep shady rocky stream slope. Flowers white. Locally very common.

HAL11009 8 Apr. 2007. Photo.

Coll.: L.Averyanov, Phan Ke Loc, A.Averyanova, N.D.Phuong, L.V.Hung.

Apocynaceae

Tabernaemontana bovina Lour.

Thua Thien – Hue Prov., Nam Dong Distr., Thuong Lo Municipality, along Cha Mang stream, around point 16°07’58’’N 107°44’46’’E. Primary evergreen broad-leaved lowland forest on very steep hill slopes and along ridge composed with stratified shale and sandstone at elev. about 400-450 m a.s.l. Shrub 2-3 m tall along ridge. Flowers white. Common.

HAL10997 7 Apr. 2007. Photo.

Coll.: L.Averyanov, Phan Ke Loc, A.Averyanova, N.D.Phuong, L.V.Hung.

Annonaceae

Uvaria sp.

Thua Thien – Hue Prov., Nam Dong Distr., Thuong Lo Municipality, along Cha Mang stream, around point 16°07’35’’N 107°44’53’’E. Remnants of primary evergreen broad-leaved lowland forest on very steep hill slopes composed with stratified shale and sandstone at elev. about 150 m a.s.l. Woody vine 10-12 m long on very steep rocky slope. Flowers red-purple. Not common.

HAL10881 4 Apr. 2007. Photo.

Coll.: L.Averyanov, Phan Ke Loc, A.Averyanova, N.T.Vinh, N.D.Phuong, L.V.Hung.

Apocynaceae

Ixodonerium annamense Pitard

Thua Thien – Hue Prov., Nam Dong Distr., Thuong Lo Municipality, along Cha Mang stream, around point 16°07’35’’N 107°44’53’’E. Remnants of primary evergreen broad-leaved lowland forest on very steep hill slopes composed with stratified shale and sandstone at elev. about 150 m a.s.l. Woody vine up to 10 m long on very steep rocky rather open slope. Flowers pink with pink-purple tips of tepals. Occasional.

HAL10815 4 Apr. 2007. Photo.

Coll.: L.Averyanov, Phan Ke Loc, A.Averyanova, N.T.Vinh, N.D.Phuong, L.V.Hung.

Acanthaceae

Rungia 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. Terrestrial herb on steep open grassy slope. Flowers light violet. Very common.

HAL10592 12 Dec. 2006 Photo.

Coll.: Nguyen Tien Hiep, L.Averyanov, Phan Ke Loc, Pham Van The, N.T.Vinh.

Araliaceae

Brassaiopsis 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. Undershrub 0.5-1 m tall on shady rocky steep slope. Flowers white, disk light yellow. Not common.

HAL10567 11 Dec. 2006 Photo.

Coll.: Nguyen Tien Hiep, L.Averyanov, Phan Ke Loc, Pham Van The, N.T.Vinh.

Araliaceae

Shefflera sp.

Lai Chau Prov., Tam Duong Distr., Ho Thau Community, Ho Thau village, around point 22°24’19’’N 103°36’42’’E. Primary closed evergreen broad-leaved wet cloudy ericaceous forest on very steep mountain slopes and on tops of ridge composed predominantly with shale at elev. about 2300-2500 m a.s.l. Tree up to 10 m tall on very steep mossy rocky slope. Fruits black. Very common.

HAL10464 7 Dec. 2006

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

Acanthaceae

Strobilanthes sp.

Lai Chau Prov., Tam Duong Distr., Ho Thau Community, Ho Thau village, around point 22°24’19’’N 103°36’42’’E. Primary closed evergreen broad-leaved wet cloudy ericaceous forest on very steep mountain slopes and on tops of ridge composed predominantly with shale at elev. about 2300-2500 m a.s.l. Undershrub 1-2.5 m tall on very steep mossy rocky slope along streamlet. Flowers blue. Very common. Usual dominant of herbaceous stratum.

HAL10473 7 Dec. 2006 Photo.

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

Apiaceae

Sanicula sp.?

Lai Chau Prov., Tam Duong Distr., Ho Thau Community, Ho Thau village, around point 22°24’34’’N 103°36’23’’E. Primary closed evergreen broad-leaved cloudy ericaceous forest on wet flat rocky river valley composed predominantly with shale at elev. about 2500 m a.s.l. Terrestrial herb on shady rocky mossy slope. Flowers white. Locally common.

HAL10394 5 Dec. 2006 Photo.

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

Araliaceae

Schefflera sp.?

Son La Prov., Yen Chau Distr., Muong Lum Municipality, Na Lang Village, around point 21є01’17’’N 104є30’47’’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. 900-1000 m a.s.l. Undershrun 1-1.5 m tall. Flowers light greenish. Not common.

HAL9439 03 Nov. 2006 Photo. DNI fix.

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

Apocynaceae

Periploca purpurea Kerr

Son La Prov., Moc Chau Distr., Van Ho Municipality, Hua Tat village, around point 20є46’18’’N 104є47’29’’E. Broad-leaved evergreen forest with Pinus kwangtungensis and Podocarpus pilgeri on tops of ridge composed with rocky crystalline solid marble-like highly eroded limestone at elev. 1200-1350 m a.s.l. Herbaceous vine to 5 m long in open place. Flowers purple-violet. Common.

HAL9314 28 Oct. 2006 Photo.

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

Araliaceae

Schefflera sp.

Vietnam, Ha Giang Prov., Quan Ba Distr, Can Ty Municipality, about 3 km to NWW of Quan Ba town, around point 23є05’49’’N, 105є00’28’’E at elevation about 1200 m a.s.l. Primary mossy cloudy coniferous forest with Pseudotsuga sinensis on tops of high rocky ridge composed with highly eroded marble-like limestone along left side of Mien river. Treelet about 4 m tall on shady mossy rocky slope. Flowers light greenish, nectary disk light yellow, anthers white. Occasional.

HAL8383 7 Dec 2005. Photo.

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

Annonaceae

Uvaria sp.

Vietnam, Thua Thien – Hue Prov., A Luoi Distr., Huong Nguyen Municipality, in vicinities of Tra Ve forest protection station, around point 16°16'08''N, 107°26'29''E at elevation about 125 m a.s.l. Secondary closed evergreen broad-leaved forest on hill slopes composed with shale. Woody vine 10-12 m long. Flowers red-purple. Not common.

HAL7946 6 May 2005. Photo.

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

Annonaceae

Vietnam, Thua Thien – Hue Prov., A Luoi Distr., Huong Nguyen Municipality, in vicinities of Tra Ve forest protection station, around point 16°15'27''N, 107°26'15''E at elevation about 80-100 m a.s.l. Secondary closed evergreen broad-leaved forest on hill slopes composed with shale. Tree up to 20 m tall along rocky stream valley. Flowers white, sepals with reddish-pink stripes. Not common.

HAL7912 5 May 2005. Photo.

Collectors: L.Averyanov, P.K.Loc, T.V.Thao, N.T.Vinh, N.T.Dung, L.T.Hung, L.T.Hai.

Annonaceae

Vietnam, Thua Thien – Hue Prov., A Luoi Distr., Huong Nguyen Municipality, in vicinities of Tra Ve forest protection station, around point 16°15'27''N, 107°26'15''E at elevation about 80-100 m a.s.l. Secondary closed evergreen broad-leaved forest on hill slopes composed with shale. Shrub about 2 m tall along rocky stream valley. Flowers dull yellow, tepals with brown-purple base. Not common.

HAL7911 5 May 2005. Photo.

Collectors: L.Averyanov, P.K.Loc, T.V.Thao, N.T.Vinh, N.T.Dung, L.T.Hung, L.T.Hai.

Aponogetonaceae

Aponogeton robinsonii A.Camus

Vietnam, Thua Thien – Hue Prov., A Luoi Distr., Huong Nguyen Municipality, in vicinities of Tra Ve forest protection station, around point 16°13'47''N, 107°27'47''E at elevation about 120 m a.s.l. Secondary closed evergreen broad-leaved forest on steep hill and mountain slopes composed with shale. Aquatic herb with short thick tuber-like rhizome in shallow water of small stream in clean water. Flowers white, sweet fragrant. Fruits green. Rare.

HAL7752 3 May 2005. Photo.

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

Apocynaceae

Rauvolfia cambodiana Pierre ex Pit.

Vietnam, Thua Thien – Hue Prov., A Luoi Distr., Hong Van Municipality, Ta Lo village, around point 16°21'52''N, 107°09'36''E at elevation about 700-750 m a.s.l. Secondary open broad-leaved forest and shrubs on steep mountain slopes composed with shale and granite. Undershrub 1-1.5 m tall on wet stream slope. Flowers white, base of tube purple. Occasional.

HAL7586 28 April 2005. Photo.

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

Tiliaceae

Grewia paniculata Roxb.⁣?

Vietnam, Thua Thien – Hue Prov., A Luoi Distr., Hong Van Municipality, Ta Lo village, around point 16°21'52''N, 107°09'36''E at elevation about 700-750 m a.s.l. Secondary open broad-leaved forest and shrubs on steep mountain slopes composed with shale and granite. Woody vine 10-14 m long. Flowers light yellowish. Occasional.

HAL7583 28 April 2005. Photo.

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

Anacardiaceae

Semecarpus anacardiopsis Evrard & Tardieu ?

Vietnam, Thua Thien – Hue Prov., A Luoi Distr., A Roang Municipality, Tra Lenh Forestry Department station, around point 16°04'41''N, 107°29'06''E. Primary closed evergreen broad-leaved forest on very steep mountain slopes composed with shale, sandstone and granite along rocky stream valley at elevation 500-700 m a.s.l. Tree 8-15 m tall. Flowers white. Occasional.

HAL7398 23 April 2005. Photo.

Collectors: L.Averyanov, P.K.Loc, J.Regalado, T.V.Thao, N.T.Vinh.

Anonnaceae

Miliusa sinensis Finet & Gagnep.?

Vietnam, Thua Thien – Hue Prov., Nam Dong Distr., Huong Son Municipality, around point 16°09'58''N, 107°36'07''E. Fractionally logged primary closed broad-leaved evergreen lowland forest along La Ma River on very steep hill slopes composed with clayey shale and sandstone at elevation 300-400 m a.s.l. Shrub or treelet 3-4 m tall on very steep rocky stream slope. Flowers dull dirty purple. Not common.

HAL7155 31 March 2005. Photo.

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

Anonnaceae

Fissistigma sp.

Vietnam, Thua Thien – Hue Prov., Nam Dong Distr., Huong Son Municipality, around point 16°10'22''N, 107°36'24''E. Fractionally logged primary closed broad-leaved evergreen lowland forest along La Ma River on very steep hill slopes composed with clayey shale and sandstone at elevation about 300 m a.s.l. Woody vine 12-16 m long along rocky stream valley. Tepals light dull yellowish with purple base. Not common.

HAL7101 30 March 2005. Photo.

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

Prov: Transcaspia. Репетек, пески

Acanthaceae

Strobilanthes sp.

Vietnam, Thua Thien – Hue Prov., Nam Dong Distr., Huong Son Municipality, around point 16°10'22''N, 107°36'24''E. Fractionally logged primary closed broad-leaved evergreen lowland forest along La Ma River on very steep hill slopes composed with clayey shale and sandstone at elevation about 300 m a.s.l. Herb up to 0.5 m tall on shady slope along rocky stream valley. Flowers light blue. Occasional.

HAL7094 30 March 2005. Photo.

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

Apocynaceae

Ixodonerium annamense Pitard

Vietnam, Thua Thien – Hue Prov., Nam Dong Distr., Huong Son Municipality, around point 16°10'22''N, 107°36'24''E. Fractionally logged primary closed broad-leaved evergreen lowland forest along La Ma River on very steep hill slopes composed with clayey shale and sandstone at elevation about 300 m a.s.l. Woody vine with milky juice about 10 m long along rocky stream valley. Flower buds white. Not common.

HAL7021 28 March 2005. Photo.

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

Acanthaceae

Strobilanthes sp.

Vietnam, Thua Thien – Hue Prov., Nam Dong Distr., Huong Son Municipality, around point 16°10'22''N, 107°36'24''E. Fractionally logged primary closed broad-leaved evergreen lowland forest along La Ma River on very steep hill slopes composed with clayey shale and sandstone at elevation about 300 m a.s.l. Terrestrial and lithophytic herb or undershrub up to 2 m tall on rocky shady stream slope. Flowers white. Very common.

HAL7004 28 March 2005. Photo.

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

Anacardiaceae

Pistacia weinmanifolia

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. Tree 5-8 m tall on top of ridge. Flowers red-purple. Very common. Usual co-dominant of the forest.

HAL6739 14 March 2005. Photo.

L. Averyanov et al.