FLORA OF VIETNAM
Rubiaceae
Ophiorrhiza sp.

Thanh Hoa Prov., Thuong Xuan Distr., Bat Mot Municipality, Duc village, Xuan Lien Natural Reserve.

Primary broad-leaved evergreen forest on rocky limestone at elevation 800-1000 m a.s.l. around point 20°01′11.6″N 104°57′47.5″E.

Terrestrial and lithophytic herb to 0.5 m tall on shady very steep rocky slope. Flowers light greenish. Not common.

3 November 2013 CPC 6649
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, N.D.Thang, L.V.Tien