Piperaceae Piper densum Blume Thai Nguyen Prov., Dong Hy Distr., Tan Long Mun., Mo Ba vill., around point 21?46′34″ N, 105?53′11″ E, 252 m a.s.l.
Occasionally clustered in rather open and wet places of heavily logged closed evergreen broad-leaved lowland forests on limestone mountains. Undershrub or perennial herb, up to 1 m tall. HAL 9065 22 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.