Bulbophyllum pandurella, classified in section Elasmotopus.

Miniature plant with single flowers. Growing in evergreen rainforest of Andasibe-Mantidada National Park, Madagascar. Altitude 1,095 m elevation.

Reference: Cribb, P.J. & J. Hermans. (2009) Field Guide to the Orchids of Madagascar. Kew Publishing, Royal Botanic Gardens, Kew.