FLORA OF VIETNAM Pinaceae Tsuga chinensis (Franch.) Pritz.
Tuyen Quang Prov., Na Hang Distr., Sinh Long Municipality, Khuoi Phin village, around point 22°38′21″N, 105°20′28″E.
Primary evergreen mixed humid forest on rocky limestone on highly eroded karstic hills composed with gray solid marble-like limestone at elevation 1100-1200 m a.s.l.
Tree about 30 m tall and 0.75 m dbh on steep rocky slopes and on mountain tops. Not common.