FLORA OF VIETNAM Ericaceae Vaccinium sp. Phu Tho Prov., Tan Son Distr., Xuan Son Municipality, Du village, around point 21°06’57”N 104°57’17”E. Primary broad-leaved closed wet forest on very steep rocky slopes and cliffs of low remnant mountains composed with highly eroded solid marble-like limestone at elevation 400-600 m a.s.l. Prostrate shrub to 1.5 m tall on rocky tops of limestone ridge. Flowers pink, anthers yellow. Common. HAL 12626 16 February 2009 Photo. Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.