Apocynaceae Bousigonia mekongense Pierre Thai Nguyen Prov., Dong Hy Distr., Tan Long Mun., Mo Ba vill., around point 21?45′59″ N, 105?52′32″ E, 280 m a.s.l.
Rather common on edges of closed evergreen broad-leaved lowland forests on shale. Evergreen woody vine, up to 10-15 m long. HAL 9061 21 Aug 2006 Photos: Id. by Phan Ke Loc
Collectors: Phan Ke Loc, Nguyen Tien Vinh and Nguyen Sinh Khang
Collected with the financial support from NYBG, U.S.A.