N Vietnam, prov. Quang Binh, distr. Minh Hoa, 72 km to NNW from Dong Hoi, municipalite Thong Hoa, vicinities of Yen Son village, limestone massif Ke Bang
Annam, Tourane and vicinity (Tourane is on the coast about 100 kilometers south of Hue, the latter being Loureiro's type locality for the majority of the Cochinchina species.)