Polystachya setifera Lindl. 1862 SECTION Polychaete Cribb Photo by Karl Senghas and The Swiss Orchid Faoundation at the Jany Renz Herbaria Website

Common Name The Bristle Carrying Polystachya

Flower Size .24 to .32" [6 to 8 mm]

Found in only on Principe of Gulf of Guinea Islands in evergreen forests at elevations of 260 to 360 meters as a small sized, hot growing epiphyte with superposed, swollen basally, pseudobulbs carrying 4, apical oblong-elliptic to oblong-lanceolate, obtuse leaves that blooms in the winter and the fall on a terminal, erect, paniculate, rachis purple, pubescent, to 8.8" [22 cm] long, to 50 flowered inflorescence with setaceous, acuminate, acute, green floral bracts.

Synonyms Dendrorkis setifera (Lindl.) Kuntze 1891

References W3 Tropicos, Kew Monocot list , IPNI ; Orchidaceae of West Central Africa Vol 2 Szlatch. etal 2014 drawing ok