FLORA OF VIETNAM Fam.? Phu Tho Prov., Tan Son Distr., Xuan Son Municipality, Du village, Ten Mountain, around mountain top, point 21°06′49”N 104°56′03”E.
Primary broad-leaved evergreen forest on steep mountain slopes composed with shale at elevation 1100-1250 m a.s.l.
Treelet to 5 m tall along rocky mossy ridge edge. Flower buds dull greenish. Occasional.
HAL 12805 18 February 2009 Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.