FLORA OF VIETNAM Plants of Nam Xuan Lac Species/Habitat Rubiaceae Rothmannia sp.?
Bac Kan Prov., Cho Don Distr., Ban Thi Municipality, Phia Khao Village, on foot of limestone mts. ca., 22°16′39″ N, 105°31′44″ E, 650 m. In slightly evergreen submontane broad-leaved forests with the dominance of Excentrodendron tonkinense Shrubs