Thanh Hoa Prov., Quan Son Distr., Muong Min Municipality, Ban Yen vill., shale mountains, about 20 km to SE of Na Meo centre (around point 20°17′28″N 104°40′43″E), at elevation about 600-800 m.
Clustered in small group of 2-3 to 5-7 trees, at about 500-700 m a.s.l. Cutting completely by logging enteprises about 20 years ago, for exporting. Regeneration not seen. Big trees, up to more than 1 m in dbh. HAL 11201 24 Aug. 2007 Coll.: P.K. Loc, N.S. Khang & N.T.Vinh
Grant from MOST, Council for Natural Science, Section of Life Sciences (6.077.06), Vietnam