FLORA OF VIETNAM
Orchidaceae
Bulbophyllum refractum (Zoll.) Rchb.f.

Dak Nong Province, Dak Song District, Nam Nung Protected Area, dry evergreen broad-leaved submontane forest on basalt and sandstone at elevation 800-900 m a.s.l. Clustering epiphyte on tall tree. Occasional. 25 October 2019, L. Averyanov, Nguyen Van Canh, T. Maisak, AL 1183.4
Herbarium prepared in 16.01.2020, flowers: sepals pale orange-brown, petals white finely speckled with violet, lip white spotted with purple-violet at apex, hairs white and violet, column white. L. Averyanov. AL 1183.4.