N.Vietnam, Bac Kan Prov., Cho Don Distr., Ban Thi Municipality, Phia Khao village, Lo Da locality 22°16′01′'N 105°33′07′'E.
Primary closed evergreen rather dry coniferous forest with Fokienia hodginsii along tops of ridge tops composed with highly eroded crystalline limestone at elev. about 900 m a.s.l.
Shrub about 1.5 m hg. Flowers white with pink tint. Occasional.
HLF 832 26 Dec. 2002.
Coll. Phan Ke Loc, L.Averyanov, Nguyen Anh Duc, To Van Thao, Mai Van Xinh, Nguyen Tien Vinh. Grant from Henry Luce Foundation.