Plants of Phong Nha - Ke Bang National Park

Apocynaceae

Alstonia guangxiensis D.Fang & X.X.Chen ?

Vietnam, Quang Binh Prov., Minh Hoa Distr., Thuong Hoa Municipality, about 2 km to E of Ban On village (17є40'21''N, 105є58'00E). Heavily logged primary and secondary closed evergreen broad-leaved forest and scrub on rocky ridge composed with solid and stratified marble-like highly eroded crystalline limestone at elevation 550-650 m a.s.l. Shrub 1-1.5 m tall on open rocks on tops of ridge. Flowers white. Occasional.

HAL5887 18 January 2005. Photo.

Collectors: L.Averyanov, P.K.Loc, P.V.The, A.Averyanova, N.T.Vinh, N.Q.Vinh, N.T.Binh.