Herbarium LE - Specimens

ARECACEAE Rhapis Hoa Binh Mai Chau District, Van Mai Municipality, Hwy. 7, 15 km post; on trail to the east between two mountains with Farjon Mountain on left, from village of Van Mai along road at 85 m to locality listed at 420 m. Collection in primary mostly undisturbed lowland, moist broadleaved evergreen forest in shale at very low altitude to karstic limestone with deep fissures. Collections between 20.35.26 N, 105.02.00 E at 300m to 12 Dec 2002 D.K. Harder, N.T. Hiep, P.K. Loc, L.V. Averyanov & B. Hall 8123 Supported by National Geographic Society MISSOURI BOTANICAL GARDEN HERBARIUM (MO) Page 2 20.34.39 N, 105.02.23 E at approx. 400m. elevation. 20°35'26"N 105°02'00"E 300 - 400 m 20°34'39"N 105°02'23"E Locally abundant; among limestone; single stem, non-clinging to 1.5 m; fleshy fruit white sympodial growth. 12 Dec 2002 D.K. Harder, N.T. Hiep, P.K. Loc, L.V. Averyanov & B. Hall 8123 Supported by National Geographic Society MISSOURI BOTANICAL GARDEN HERBARIUM (MO)

FLORA OF LAOS Hin Nam No Nature Protected Area Arecaceae Rhapis laosensis Becc. 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. Miniature palm to 1 m tall. Very common, usual co-dominant of herbaceous forest stratum. 3 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 547.

FLORA OF LAOS Hin Nam No Nature Protected Area Arecaceae Arenga westerhoutii Griff. Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31'02.7"N, 105°47'17.2"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 300-530 m a.s.l. Palm (male plant) with stem to 2 m tall and leaves 4-5(6) m long on very steep rocky slope near mountain top. Very common. Flowers pale yellow, very fragrant. 11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 922.

FLORA OF LAOS Hin Nam No Nature Protected Area Arecaceae Arenga westerhoutii Griff. Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31'02.7"N, 105°47'17.2"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 300-530 m a.s.l. Palm (female plant) with stem to 2 m tall and leaves 4-5(6) m long on very steep rocky slope near mountain top. Very common. Fruits dark glossy green. 11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 915.

FLORA OF LAOS Hin Nam No Nature Protected Area Arecaceae Arenga caudata (Lour.) H.E. Moore 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. Miniature palm to 1.5 m tall. Fruits green with purple bracts. Very common, occasional co-dominant of shrub forest stratum. 3 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 538.

FLORA OF LAOS Hin Nam No Nature Protected Area Arecaceae Calamus bimaniferus T. Evans & al. 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. Scandent undershrub to 1 m tall. Fruits green. Very common to abundant. 3 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 506.

FLORA OF LAOS Hin Nam No Nature Protected Area Arecaceae Rhapis vidalii Aver., T.H. Nguyen & P.K. Loc Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31'02.7"N, 105°47'17.2"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 300-530 m a.s.l. Miniature palm to 1.5 tall on rocky slope. Very common. 11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 921.

FLORA OF LAOS Hin Nam No Nature Protected Area Arecaceae Caryota mitis Lour. 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. Palm in rocky stream canyon. Leaves to 5 m long. Common. 3 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 552.

FLORA OF LAOS Hin Nam No Nature Protected Area Arecaceae Caryota sympetala Gagnep. ? 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. 300-600 m a.s.l. Palm with stem to 1 m tall and leaves 2-2.5 m long on shady rocky slope. Very common. 6 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 696.

FLORA OF LAOS Nakai-Nam Theun Protected Area Arecaceae Rhapis kebangensis A.J. Hend. ? (R. subtilis Becc. ?) Laos, Khammoune prov., Boualapa distr., Langkhang village, steep southern slopes of sandstone ridge allied to the road from the north between points 17°34'02.2"N 105°42'42.6"E, 200 m and 17°34'51.1"N 105°43'01.2"E, 535 m a.s.l. Primary lowland semideciduous and evergreen dry forest on very steep rocky slopes. Miniature palm to 2 m tall on steep rocky slope. Fruits dark green. Very common, co-dominant of forest shrub stratum. 15 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, AL 1079.

FLORA OF LAOS Hin Nam No Nature Protected Area Arecaceae Rhapis evansii A.J. Hend. ? Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°33'14.4"N, 105°47'50.4"E. Primary semideciduous and evergreen broad-leaved dry forest at elev. 350-450 m a.s.l. Miniature palm to 1.5 m tall on shady rocky slope. Fruits glossy dark green. Very common, usual co-dominant of shrub forest stratum. 6 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 723.

FLORA OF LAOS Hin Nam No Nature Protected Area Arecaceae Rhapis laosensis Becc. 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. 300-600 m a.s.l. Miniature palm 1.5-2 m tall on rocky slope. Not rare. 6 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 710

FLORA OF LAOS Hin Nam No Nature Protected Area Arecaceae Rhapis vidalii Aver., T.H. Nguyen & P.K. Loc Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°33'14.4"N, 105°47'50.4"E. Primary semideciduous and evergreen broad-leaved dry forest at elev. 350-450 m a.s.l. Miniature palm to 1.5 m tall on steep rocky slope. Very common, usual co-dominant of shrub forest stratum at 300-400 m a.s.l. 6 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 731.

FLORA OF LAOS Hin Nam No Nature Protected Area Arecaceae Arenga westerhoutii Griff. 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. Palm on steep rocky slopes and cliffs near mountain top. Stem to 2 m tall, leaves to 4 m long. Very common. 8 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 772.

FLORA OF LAOS Hin Nam No Nature Protected Area Arecaceae Arenga westerhoutii Griff. Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31'02.7"N, 105°47'17.2"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 300-530 m a.s.l. Palm (male plant) with stem to 2 m tall and leaves 4-5(6) m long on very steep rocky slope near mountain top. Very common. Flowers pale yellow, very fragrant. 11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 922.

FLORA OF LAOS Hin Nam No Nature Protected Area Arecaceae Calamus bimaniferus T. Evans & al. 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. 300-600 m a.s.l. Scandent shrub to 2 m tall on steep rocky slope. Fruits brownish. Very common. 6 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 700

FLORA OF LAOS Hin Nam No Nature Protected Area Arecaceae Arenga caudata (Lour.) H.E. Moore 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. Undershrub to 1.5 m tall. Flowers white, fruits yellowish. Very common. 8 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 749.

FLORA OF LAOS Hin Nam No Nature Protected Area Arecaceae Arenga westerhoutii Griff. Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31'02.7"N, 105°47'17.2"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 300-530 m a.s.l. Palm (male plant) with stem to 2 m tall and leaves 4-5(6) m long on very steep rocky slope near mountain top. Very common. Flowers pale yellow, very fragrant. 11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 922.

FLORA OF LAOS Hin Nam No Nature Protected Area Arecaceae Arenga westerhoutii Griff. Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31'02.7"N, 105°47'17.2"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 300-530 m a.s.l. Palm (female plant) with stem to 2 m tall and leaves 4-5(6) m long on very steep rocky slope near mountain top. Very common. Fruits dark glossy green. 11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 915.

FLORA OF LAOS Hin Nam No Nature Protected Area Arecaceae Arenga westerhoutii Griff. Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31'02.7"N, 105°47'17.2"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 300-530 m a.s.l. Palm (male plant) with stem to 2 m tall and leaves 4-5(6) m long on very steep rocky slope near mountain top. Very common. Flowers pale yellow, very fragrant. 11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 922.

FLORA OF VIETNAM Arecaceae Lycuala sp. ? 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. Palm up to 2 m hg on steep shady slope. Rare, but locally common. No VH 5614 23.04.2000 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

FLORA OF VIETNAM Arecaceae Licuala sp. S. Vietnam, Kontum Prov., Sa Thay Distr., Sa Son Municipality, Chu Mom Ray nature reserve (14ø25'N, 107ø44'E). Primary wet broad-leaved closed evergreen mountain forest on granites at elev. 700-900 m. Palm up to 1.5 m hg with leaves 2-2.5 m lg on shady steep slope. Common. No VH 5799 28 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