FLORA OF VIETNAM
Rubiaceae
Lasianthus sp.

Son La Prov., Van Ho Distr., Chieng Xuan Municipality, Co Hong village, territory of Xuan Nha natural reserve, Pha Luong Mountain.

Remnants of primary and secondary broad-leaved evergreen forest on very steep mountain slopes composed by brown sandstone at elevation 700-1000 m a.s.l. around point 20°42′14.2″N 104°43′53.9″E.

Shrub 2-3 m tall on shady humid slope. Flowers white. Not common.

12 November 2013 CPC 6976
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, N.D.Thang, L.D.Qui