FLORA OF VIETNAM
Apocynaceae
Alstonia guanxiensis D.Fong et X.X.Chen

Quang Binh Prov., Minh Hoa Distr., Thuong Hoa municipality, environs of Mo O O O village, around point 17°39′36.7”N 105°54′55.7”E.

Remnants of short tall broad-leaved primary forest on rocky top of remnant mountain composed with highly eroded solid crystalline limestone at elevation about 612 m a.s.l.

Treelet 2-3 m tall on rocky mountain top. Flowers white. Very common. Co-dominant of short mountain top forest.

CPC 3779 26 July 2011
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Vinh.