Bulbophyllum gymnopus

Bulbophyllum gymnopus Hook.f., Fl. Brit. India 5: 764 1890. (syn: Drymoda gymnopus (Hook.f.) Garay, Hamer & Siegerist; Monomeria gymnopus (Hook.f.) Aver.; Phyllorchis gymnopus (Hook. f.) Kuntze; Phyllorkis gymnopus (Hook.f.) Kuntze);

E. Himalaya to China (S. Yunnan) as per WCSP;

Assam; Bangladesh; China South-Central; East Himalaya; Laos; Myanmar; Thailand; Vietnam as per Catalogue of Life;

Common name: Naked Bulb-Leaf Orchid

Plant epiphytic; rhizome long, woody, terete, 2.5-3.5mm thick, leading section covered by overlapping sheaths; sheaths tubular, spotted, 1-1.5cm long; roots clustered at nodes. Pseudobulbs ovoid cyclindric, surface smooth, sheathed, 2-3.5 x 0.6-1cm, inserted at intervals of 3-9cm along rhizome; sheaths scarious, 2-3.5cm long. Leaf 1, linear oblong to oblong, ape x emarginate, base jointed, 8-17 x 0.8-2.6cm; petiole channelled, 1.6-2.5cm long. Inflorescences 2 or 3, basal from Pseudobulb,erect, racemose, la x ly many flowered; peduncle slender, glabrous, sheathed at base, 2-6cm long; sheaths 3, overlapping, 4-8mm long; rachis long, glabrous, 3.5-14cm long; floral bracts lanceolate, acute, 2-3 x 0.8-1mm. Flowers 0.8-1cm across; sepals and petals white, spotted with red e x ternally, lip yellow, column pale yellow ochre, spotted with red; pedicel and ovary slender, glabrous, 0.6-1.5cm long. Dorsal sepal lanceolate, acute, concave, 1 veined, 3.5-4 x 1-1.2mm; lateral sepals lanceolate, falcate, subacute, 3 veined, inserted on ape x of the column foot, margins incurved, 5-7.5 x 1.2-1.5mm. Petal linear lanceolate, obtuse truncate, 1 veined, margins serrate, 2-2.5 x 0.6-0.8mm. Lip simple, lanceolate, acute, 2.5 x 0.6mm. Column broad, 1.8-2mm long;stelidia acute, 0.2-0.3mm long; foot slender, strongly curved,1.8-2mm long; anther cap papillose.
(Attributions- N. R. Pearce & P. J. Cribb. Orichds of Bhutan. Published by RGoB and RBGE. 2002 as per Bhutan Biodiversity Portal);
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