FLORA OF LAOS
Rubiaceae
Canthium sp.?

Xiangkhouang Prov., Peak Distr., Khoang village, Pa Khao mt., around point 19°33′02.2′N 103°39′56.3′E.

Primary and secondary broad-leaved evergreen dry forest on solid rocky highly eroded limestone at elev. 1200-1450 m a.s.l.

Shrub 1 m tall on open cliff. Flowers white. Not common.

LA-VN 934 3 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.