Bulbophyllum semiasperum J.J.Sm. 1934 SECTION Intervallatae Ridley 1897
TYPE Drawing by © J J Smith/ Collection sheet by Mayr
LATE 
EARLY
Common Name The Partially Rough Bulbophyllum
Flower Size
Found in western New Guinea in lower montane forests at elevations around 1100 meters as a small sized, cool growing epiphyte with a creeping rhizome covered with tubular, dark brown-punctate sheaths giving rise to making an acute angle with the rhizome, with .64 to .78" [1.6 to 1.7 cm] between each elongate-conical, longitudinally rugose pseudobulbs carrying a single, apical, erect, sublanceolate-linear, subcoriaceous, rather rigid, apex gradually narrowed, acute, midrib above grooved, below keeled, margins in dried leaf revolute, on both sides densely minutely punctuate, gradually narrowing and conduplicate below into the petiolate base leaf that blooms in the late winter and early spring on a basal, much shorter than the leaves, filiform, c. 4.8" [12 cm] long, provided with c. 4, upwards laxly placed tubular sheaths, rachis thickened, flexuose, .36" [.9 cm] long, producing at intervals, successively single, up to 6 flowered. inflorescence with alternating, distichous, erect-patent, concave, acuminate, punctate, base obliquely infundibuliform floral bracts.
Synonyms
References W3 Tropicos, Kew Monocot list , IPNI ; * Bot. Jahrb. Syst. 66: 206 J J Smith 1934 Drawing fide
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