N.Vietnam, Bac Kan Prov., Ba Be Distr., Nam Mau Municipality Nam Dai village, Ba Be National Park around point 22025′ 013′'N 1050 35′ 771′'E.
Secondary closed evergreen broad-leaved forest on top of remnant mountains composed with crystalline highly eroded marble-like limestone at elevation 531 m a.s.l. Herb 50 cm hight. Fruits pale- green and red in the base. On soil, in shady and wet HLF 562 21 Dec. 2002.
Coll. Nguyen Tien Hiep, Jacinto Regalado, Duong Van Xy, Bang Tien Sy Grant from Henry Luce Foundation.