SECTION Rhinanthera J J Verm, Schuit. & de Vogel 2014
TYPE = Bulbophyllum wrayi Hook.f. 1890
New shoots develop from beneath the pseudobulb but are not fused to it, the inflorescence arises from beneath the newly developing shoot and carries spirally arranged flowers. The peduncle has 4 to 10 bracts, the rachis is not thickened, the floral bracts are amplexicaul and the basal node of the pedicel is above the attachment of the floral bract. The sepals are free, with the lateral sepals equally as long or shorter than the dorsal. The mobile, undivided or subtrilobed lip is on a thin ligament and is ovate to oblong, or divided in a wide, ovate, basal part and a drawn out, narrow, oblong to ovate apical part. The column foot is not widened towards the apex but has a dorsal tooth at the apex. The anther abaxially with a low rounded crest the anterior surface is concave and the anterior margin is distinctly drawn out into an elliptic to triangular beak [backwardly curved in B tahanense] and there are 4 pollina with the inner ones shorter than the outer.
There are about 4 species in this section from penninsular Malaysia, Sumatra and Java in forests at elevations up to 2100 meters
Entries below with an asterix are listed in publications by J J Vermeullen and so are more likely correct than ones without. Species with a question mark in front, seem to me to not conform and so please use with caution.
References W3 Tropicos, Kew Monocot list , IPNI ; Genera Orchidacearum Vol 6 Epidendroideae Pt 3 Pridgeon, Cribb Chase & Ramussen 2014; *Phytotaxa 166 (2): 101–113 J.J.Verm., Schuit. & de Vogel 2014