FLORA OF VIETNAM Pinaceae Pinus cernua P.K.Loc ex Aver., K.S.Nguyen & T.H.Nguyen
Son La Prov., Moc Chau Distr., Chieng Son comm., Pha Luong village, Pha Luong Mountains.
Primary evergreen broad-leaved forest on mountain tops and steep summit slopes composed with highly eroded red-brown sandstone at elevation 1400-1500 m a.s.l. around point 20°41′33.2N 104°37′37.0E.
Tree 15-20 m tall and 40-45 cm in diam., near mountain top. Rare. Two trees were seen.