FLORA OF VIETNAM Meliaceae Phu Tho Prov., Tan Son Distr., Xuan Son Municipality, Du village, around point 21°02′55”N 104°56′51”E.
Primary broad-leaved forest on very steep rocky slopes and cliffs of Svoi Lap remnant mountain composed with highly eroded solid marble-like limestone at elevation 500-600 m a.s.l.
Treelet 4-6 m tall on wet shady rocky valley. Flower buds white, light greenish. Occasional.
HAL 12724 17 February 2009 Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.