FLORA OF VIETNAM

Rutaceae ?

N.Vietnam, Cao Bang Prov., Trung Khanh Distr., Ngoc Khe Municipality, Pac Nga village, around point 22°54′59′'N, 106°31′44′'E, at elevation 800-850 m a.s.l.

Remnants of primary broad-leaved and coniferous forest on ridge tops and on very steep slopes and cliffs of rocky ridges and mesae composed with light gray solid marble-like highly eroded crystalline limestone.

Tree up to 15 m tall. Common on tops of ridges.

HAL 5513 9 June 2004

Collectors: L.Averyanov, P.K.Loc, P.V.The, N.T.Vinh.