Bulbophyllum concavibasalis P.Royen 1979 SECTION Peltopus Schlechter 1913

Drawing by P. Van Royen and New Guinea Orchid Website

Common Name The Concave Basal Ovary Bulbophyllum

Flower Size .4" [1 cm]

Found in New Guinea in sparse mossy subalpine scrub at elevations around 3300 meters as a mini-miniature sized, cold growing epiphyte with a slender, bract covered rhizome with close set, at right angles to the rhizome, glabrous, cylindrical-claviform, slightly ribbed pseudobulbs enveloped basally by bracts and carrying a single, apical, erect, coriaceous, papillate near the tip only, elliptic-spathulate, acute, narrowing below into the shortly petiolate base leaf that blooms in the winter on 2, basal, erect, to 2.4" [6 cm] long, provided with one, tubular, obliquely truncate, acute, crested, glabrous bract and 1 to 2 others at the base, terete, single flowered inflorescence with tubular, tip acuminate, much shorter than the ovary floral bracts and carrying moderately opening flowers with greenish or light yellow sepals, with or without small purple dots and a cream-coloured to bright yellow lip.

Synonyms Bulbophyllum loroglossum J.J.Verm. 1993; Hapalochilus concavibasalis (P.Royen) Garay & W.Kittr. 1985 publ. 1986; Peltopus loroglossus (J.J.Verm.) Szlach. & Marg. 2001

References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of the High Mountains of New Guinea P. Van Royen 1979 drawing fide; Orchid Monographs Vol 7 Vermeullen 1993 as B loroglossum drawing ok;