Bulbophyllum riparium J.J.Sm. 1929 SECTION Oxysepala Bentham & J D Hook.f. 1883

Plant and Flower

TYPE Drawings by J J Smith

Part shade Cool

Common Name The Riparian Forest Bulbophyllum

Flower Size .268" [6.7 mm] long

Found in New Guinea in lowland forests at elevations of 1600 to 2000 meters as a mini-miniature sized, cool growing epiphyte with a longated, pendulous, branched, geniculate, terete, ribbed, brownish rhizome entirely covered with prominently veined brown furfuraceous tubular sheaths and giving rise to very small, with 1 to 2" [2.5 to 5 cm] between each, largely adnate to the rhizome, subterete, underneath flattened, attenuate towards the base pseudobulbs carrying a single, apical oblong, apex recurved, rounded, towards margins convex, underneath with slightly prominent midvein, convex, rigidly fleshy, shining green, impressed punctate, cuneate below , above broadly channelled with a longitudinal groove, into a petiolate base leaf that blooms on many from the nodes of the rhizome, peduncle inconspicuous, basal part covered by rhizomes sheaths, with a few small delicate acute somewhat shiny sheaths. 1 to 3 fascicled, very short, single flowered inflorescence with tubular, triangular, acute, concave, semitransparent, white, clasping and esceeding the ovary floral bracts and carrying flowers with yellowish sepals, basally white, petals white and the lip lemon yellow with the apex ochrish.

Synonyms

References W3 Tropicos, Kew Monocot list , IPNI ; *Nova Guinea 14:462 Pl 75 fig 109 J J Smith 1929 drawing fide

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