; Bulbophyllum rolfeanum (Rolfe ex Downie) Seidenf.

Garay, Hamer & Siegerist; Ephippium lepidum Blume; Epidendrum flabellum-veneris J.Koenig; Phyllorchis gamosepala (Griff.)

Epiphyte with a woody rhizome and 2 cm (0.79 in) separation between each of its five conical pseudobulbs, of a glossy pale green color, located at 5 unequal angles, each one of the which bears a single apical leaf, erect, oblong, short and obtusely bilobed apically, tapering sharply below to the short petiolate base of the leaf, which flowers in two to three basal inflorescence 15–22 cm (5.9–8.7 in) long, of bright purple with three acute and narrowly lanceolate, concave, reddish-brown tubular bracts bearing 11-13 flowers above the leaf forming an umbel.

This orchid greatly resembles the Bulbophyllum trigonopus.

It is native to Hainan island, India, Indonesia, Myanmar, Laos, Cambodia, Malaysia, Thailand and Vietnam in deciduous and evergreen forests on mossy rocks and at the bases of trees at elevations from 300–1,100 m (980–3,610 ft).