Herbarium LE - Specimens

FLORA OF LAOS Convallariaceae Rohdea chinensis (Baker) N. Tanaka s.l. (= Tupistra chinensis Baker) 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 herb with erect stem to 0.5 m tall on rather open mossy rocks Not rare. LA._VN 938 3 April 2015 N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham. Flowered and collected in cult. In 5 Jan. 2019 L. Averyanov LA-VN 938/1. Flowers grassy green, with light specific smell. Photos. d-EXSICCATES OF VIETNAMESE FLORA 0333 / LA-VN 938/1 © L. Averyanov

FLORA OF LAOS Hin Nam No Nature Protected Area Melastomataceae Memecylon edule Roxb. Laos, Khammoune prov., Boualapha distr., Vang Maner village, Palai mountain area, around point 17°30'13.6"N, 105°49'23.9"E, 520 m a.s.l. Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-500 m a.s.l. Treelet to 4 m tall on exposed rocks of mountain top. Very common. Occasional co-dominant of deciduous forest on mountain tops. 8 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 773.

FLORA OF LAOS Hin Nam No Nature Protected Area Meliaceae Aglaia elaeagnoidea (A.Juss.) Benth. ( = Aglaia poilanei Pellegr.) Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°34'13.3"N 105°47'57.5"E. Primary evergreen broad-leaved dry forest at elev. 700-1000 m a.s.l. Treelet. Fruits brownish. Occasional. 3 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 569.

FLORA OF LAOS Hin Nam No Nature Protected Area Meliaceae Munronia lancifolia sp. nov. ? (M. unifoliolata Oliv. & M. petelotii Merr. aff.) Laos, Khammoune prov., Boualapha distr., Vang Maner village, Palai mountain area, around point 17°30'13.6"N, 105°49'23.9"E, 520 m a.s.l. Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-500 m a.s.l. Small undershrub to 0.5 m tall on shady rocky slope. Flowers white. Common. 8 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 807. This is closest to M. unifoliolata, but different from the staminal tube (with 10 long teeth). This genus until now recorded only 4 species (2014). Ii is also closed to M. longipetiola described from Vietnam (2014) in Quang Ninh province, all other species of M. the staminal tube divided 2 o 3. This species not divided.

FLORA OF LAOS Hin Nam No Nature Protected Area Meliaceae Aglaia leptantha Miq. ? Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°34'13.3"N 105°47'57.5"E. Primary evergreen broad-leaved dry forest at elev. 700-1000 m a.s.l. Treelet to 1.5 m tall. Flowers yellow. Very common. 3 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 507.

FLORA OF LAOS Hin Nam No Nature Protected Area Meliaceae Aglaia leptantha Miq. ? Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°34'13.3"N 105°47'57.5"E. Primary evergreen broad-leaved dry forest at elev. 700-1000 m a.s.l. Treelet to 1.5 m tall. Flowers yellow. Very common. 3 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 507.

FLORA OF LAOS Hin Nam No Nature Protected Area Meliaceae Munronia lancifolia sp. nov. ? (M. unifoliolata Oliv. & M. petelotii Merr. aff.) Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29'39.3"N, 105°50'24.6"E. Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 350-430 m a.s.l. Terrestrial undershrub 0.2-0.3 m tall on shady rocky slope among rocks. Flowers white. Not rare. 9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 871.

FLORA OF LAOS Hin Nam No Nature Protected Area Magnoliaceae Paramichelia baillonii (Pierre) Hu. ( = Magnolia baillonii Pierre). Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29'39.3"N, 105°50'24.6"E. Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 350-430 m a.s.l. Tree 20-25 m tall on shady rocky slope. Not common. 9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 850.

FLORA OF LAOS

FLORA OF LAOS Hin Nam No Nature Protected Area Magnoliaceae Michelia foveolata Dandy Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'00.3"N, 105°47'35.6"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Tree on mountain top. Occasional. 4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 613.

FLORA OF LAOS Hin Nam No Nature Protected Area Marantaceae Phrynium sp. Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31'11.1"N, 105°46'41.4"E. Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l. Terrestrial herb in shady place at mountain base. Common. 11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 994.

All photos © L. Averyanov & K.S. Nguyen

FLORA OF LAOS Hin Nam No Nature Protected Area Rubiaceae Pavetta indica L. Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31'11.1"N, 105°46'41.4"E. Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l. Shrub 5 m tall on open rocky slope near mountain top. Flowers white. Common. 11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1028.

FLORA OF LAOS Hin Nam No Nature Protected Area Melanthiaceae Chionographis actinomorpha Aver. & N. Tanaka Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'00.3"N, 105°47'35.6"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Terrestrial and lithophytic rosulate herb in open mossy place on mountain top. Flowers white. Occasional. 4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 619.

FLORA OF LAOS Hin Nam No Nature Protected Area Melastomataceae Sonerila cantonensis Stapf Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'00.3"N, 105°47'35.6"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Terrestrial herb in open mossy place on mountain top. Occasional. 4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 636.

FLORA OF LAOS Hin Nam No Nature Protected Area Magnoliaceae Magnolia yunnanensis (Hu) Noot. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'00.3"N, 105°47'35.6"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Tree to 20 (and more) m tall. Not common. 4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 635a.

FLORA OF LAOS Hin Nam No Nature Protected Area Melastomataceae Memecylon edule Roxb. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°34'13.3"N 105°47'57.5"E. Primary evergreen broad-leaved dry forest at elev. 700-1000 m a.s.l. Treelet or shrub 3-5 m tall on ridge top. Common. 3 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 504.

FLORA OF LAOS Urticaceae Elatostema selaginelloides sp.nov.? Vientiane prov., Vang Vieng distr., Oa Hom village, around point 19°06'52.4''N 102°22'35.8''E. Secondary broad-leaved evergreen and semideciduous dry forest with on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 550-650 m a.s.l. Lithophytic herb on mossy boulders on shady steep rocky slope. Rare. LA-VN 1519 22 March 2017 Photos 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 Urticaceae Dendroclide 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. Treelet 4-5 m tall. Flowers greenish. Leaves strongly urticate. Common. LA-VN 1616 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 Urticaceae Elatostema sp. Luang Prabang prov., Ngoy distr., Don Khun village, near waterfall, around point 20°31'36.9''N 102°35'15.8''E. Remnants of primary evergreen forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 450-550 m a.s.l. along mountain stream. Terrestrial herb on shady rocky stream slope. Inflorescences whitish. Common. LA-VN 2010 2 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 Urticaceae Elatostema salvinioides W.T.Wang \ Vientiane prov.. Kasi distr., between San and Tham Tai villages, around point I M 7 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 c cv q°°-1000 m a s. I Lithophytic herb on vertical shady cliff along stream. Very common. LA-VN 1615 25 March 2017 f oil. I Averyanov, N. I Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla lnkhavilav 1 longthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh.

FLORA OF LAOS. Urticaceae. Pilea 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. Lithophytic and terrestrial herb to 1 m tall on mountain top. Very common. LA-VN 1137 7 April 2015. Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS. Urticaceae. Pilea sp. 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. Terrestrial and Lithophytic herb on mountain top. Very common. LA-VN 1422 12 April 2015. Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS. Urticaceae. Pilea sp. 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. Lithophytic herb on shady cliff on mountain slope. Locally common. LA-VN 1343 11 April 2015. Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF VIETNAM. Urticaceae . Elatostema sp. 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. Terrestrial succulent herb 0.3 m in tall, common. 08 May 2015 CPC 7781 . Coll.: N.Q. Hieu, N.T.Hiep, T.B. Ngan, C.Q. Ngan, D.K. Harder, C. P. Tuy, G.C.Pao.   

FLORA OF LAOS. Urticaceae. Pellionia sp. 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. Terrestrial and Lithophytic herb to 0.5 m tall on steep shady rocky slope. Very common. LA-VN 1348 11 April 2015. Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS. Urticaceae. Pellionia sp. 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. Terrestrial and Lithophytic herb to 0.5 m tall on steep shady rocky slope. Very common. LA-VN 1349 11 April 2015. Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS Urticaceae Pilea sp. Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55'53.2''N 103°16'24.2''E. Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l. Lithophyte on very steep rocky slope and on shady cliffs. Very common. LA-VN 1494 15 April 2015 Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS Urticaceae Elatostema sp. Xiangkhouang Prov., Peak Distr., Oran village, around point 19°38’53”N 103°23’12”E. Primary and secondary broad-leaved evergreen dry forest on shale sandstone slopes and along ridge edge at elev. about 1750-1850 m a.s.l. Terrestrial herb to 0.5 m tall in shady, humid place. Flowers greenish. Common. LA-VN 904 2 April 2015 Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF VIETNAM. Urticaceae . Pellionia sp. 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. ( Khau Ca forest station to travel b,a,c to Minh Son to Lung village to Khau Ca Foretbstation). Terrestrial herb. Inflorescens long and red. Common. . 10 May 2015 CPC 7852 . 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. Urticaceae . Pilea sp. 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. Terestrial herb 40 cm high, Leave red abaxial, common. . 09 May 2015 CPC 7824 . 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

FLORA OF VIETNAM

FLORA OF VIETNAM

FLORA OF VIETNAM

FLORA OF VIETNAM

FLORA OF VIETNAM Ericaceae Vaccinium sp. Phu Tho Prov., Tan Son Distr., Xuan Son Municipality, Du village, Ten Mountain, around mountain top, point 21°06’49”N 104°56’03”E. Primary broad-leaved evergreen forest on steep mountain slopes composed with shale at elevation 1100-1250 m a.s.l. Shrub to 1.5 m tall along rocky mossy ridge edge. Fruits white, juicy. Occasional. HAL 12808 18 February 2009 Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.

FLORA OF VIETNAM

FLORA OF VIETNAM Ericaceae Vaccinium sp. Phu Tho Prov., Tan Son Distr., Xuan Son Municipality, Du village, around point 21°06’57”N 104°57’17”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 400-600 m a.s.l. Prostrate shrub to 1.5 m tall on rocky tops of limestone ridge. Flowers pink, anthers yellow. Common. HAL 12626 16 February 2009 Photo. Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.

FLORA OF VIETNAM Fam. Ericaceae Vaccinium sp. ? Vietnam, Ha Giang Prov., Hoang Su Phi Distr., Ho Thau Municipality, around Chien Thang village, about 4 km to NW of Ho Thau village (22º37’24’’N, 104º38’00’’E) at elev. 1600-1800 m a.s.l. Primary closed cloud evergreen broad-leaved forest with Rhodoleya and Rhododendrons along ridge composed with shale and granite with quartzite. Treelet 3-5 m tall on steep rocky slope. Not ripe fruits green. Not common. No HAL 6668 10 March 2005. Collectors: L.Averyanov, P.K.Loc, N.T.Vinh, A.Averyanova.

FLORA OF VIETNAM Fam. Ericaceae Vaccinium sp. Vietnam, Ha Giang Prov., Hoang Su Phi Distr., Ho Thau Municipality, around Chien Thang village, about 4 km to NW of Ho Thau village (22º37’24’’N, 104º38’00’’E) at elev. 1600-1800 m a.s.l. Primary closed cloud evergreen broad-leaved forest with Rhodoleya and Rhododendrons along ridge composed with shale and granite with quartzite. Epiphyte pendant shrub with shoots up to 2 m long. Flowers light dirty red-purple. Common. No HAL 6670 10 March 2005. Collectors: L.Averyanov, P.K.Loc, N.T.Vinh, A.Averyanova.

FLORA OF VIETNAM Plants of Ta Dung Nature Reserve Ericaceae Vaccinium sp. 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 11º51’30’’N 108º02’08’’E. Primary broad-leaved evergreen closed wet mossy cloudy forest on crystalline highly metamorphosed sandstone. Epiphytic tuberiferous shrub on tall mossy tree. Common. HLF 5643 9 November 2005. Coll. L.Averyanov, P.K.Loc, T.V.Thao, N.T.Vinh. Grant from Henry Luce Foundation.

FLORA OF VIETNAM Ericaceae Vaccinium bullatum (Dop) Sleum. Quang Binh Prov., Minh Hoa Distr., Thuong Hoa municipality, around point 17°41’28”N 105°53’42.7”E. Primary closed evergreen broad-leaved forest on rocky very steep cliffy slope of remnant mountain composed with solid crystalline limestone at elevation about 700 m a.s.l. near to the top of mountain. Lithophytic and epiphytic tuberous vine. Common. CPC 3963 5 August 2011 Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Vinh, N.V.Tap, P.V.The, L.T.Kien.

FLORA VIETNAMICA SOVIET-RUSSIAN EXPEDITION LX-VN No 3385. 23.12.1986 Celastracreae Euonymus Vietnam. Prov. Hai Phong, Cat Hai, Cat Ba, mountain forest, shrub about 2 m tall.

FLORA VIETNAMICA SOVIET-RUSSIAN EXPEDITION LX-VN No 3385. 23.12.1986 Celastracreae Euonymus Vietnam. Prov. Hai Phong, Cat Hai, Cat Ba, shrub about 2 m tall.