FLORA OF VIETNAM
Rubiaceae

N. Vietnam, Hoa Binh prov., Da Bac distr., about 2-3 km to the E of
Doan Ket village (20°54′55′'N, 105°02′18′'E). Primary broad-leaved
evergreen mountain wet forest on silicate sandstones at elev. 900-1136
m a.s.l. Shrub about 4 m hg. Flowers greenish-white. Not rare.

HAL 510 2 April 2001

Collectors: N.T.Hiep, L.Averyanov, N.T.Vinh, D.T.Doan.