Apocynaceae Urceola micrantha (Wall. ex G. Don) D.J. Middl. Thai Nguyen Prov., Dong Hy Distr., Tan Long Mun., Mo Ba vill., around point 21?44′51″ N, 105?52′08″ E, 385 m a.s.l.
Rather common on edges of heavily logged closed evergreen broad-leaved lowland forests of shaly mountains. Small woody vine, up to 10-15 m long. HAL 9119 24 Aug 2006 Collectors: Phan Ke Loc, Nguyen Tien Vinh and Nguyen Sinh Khang
Collected with the financial support from NYBG, U.S.A.