FLORA OF VIETNAM
Plants of Nui Chua national park
Apocynaceae
Alstonia annamensis(Monach.) Sidiyasa.

S.Vietnam, Ninh Thuan Prov., Ninh Hai Distr., Vinh Hai Municipality,
NEE slopes on Nui Chua mountains to SW of point 11o43′52′'N
109o08′35′'E at elev. about 600-700 m a.s.l.

Primary evergreen closed dry forest on rocky mountain slopes composed
with granite.

Deciduous tree about 30 m tall. Flowers white. Common. Co-dominant of
the forest.

HLF 4334 29 March 2004.

Coll. J.Regalado, N.T.Hiep, P.K.Loc, L.Averyanov, N.T.Vinh, P.V.Doan,
T.T.An, N.T.Hoi, T.V.Huong, N.V.Su, T.T.T.Trang, H.A.Tuan.
Grant from Henry Luce Foundation.