Bulbophyllum orthoraphe J.J.Verm. 2020 SECTION Polymeres Verm & O'Byrne 2008

TYPE Drawing by J J Vermeulen

Part shade Cold

Common Name The Straight Stelida Bubophyllum

Flower Size .12" [3 mm]

Found in Papua New Guinea in moss forests at elevations around 3000 meters as a mini-miniature sized, cold growing epiphyte with a creeping rhizome with .04 to .2" [1 to 5 mm] between each distinct, ellipsoid to ovoid, harldly angular pseudobulb arrying a single, apical, erect, elliptic to obovate, acute apically, petiolate base leaf that blooms on a single or a few together, peduncle 1.2 to 1.6" [3 to 4 cm] long, provided with 3 to 4 scales, 1.96 to 2.52" [4.9 to 6.3 cm] long, single flowered inflorescence with shorter thant he ovary floral bracts and carrying red-purple flowers.

"Shares the clustered growth, combined with a distally not attenuated lip without sharply outlined patches of papillae or hairs with Bulbophyllum dischorense Schltr. and B. muriceum Schltr., from which it differs by the oblong (versus triangular) petals and by the straight (versus sigmoid) stelidia; with B. neoguineense, from which it differs by the wider lip (ratio length/width 2.23.4, without spreading, versus 58) and by the shorter petals ( .088" to .12" [2.2 to 3.2 mm] long versus .16 to .2" [4 to 5 mm] long)" J.J.Verm., Schuit. & de Vogel 2020


References W3 Tropicos, Kew Monocot list , IPNI ; *Lankesteriana 20(3):309, fig. 6 J.J.Verm., Schuit. & de Vogel 2020 drawing fide ;