Bulbophyllum flavum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 853
Type: Schlechter 19479 (holo B, lost; iso AMES, BO, L)
Epiphyte, pendulous, to 15 cm long. Rhizome slender, flexuose, with distant, acuminate sheaths. Roots at the base of the stem, filiform, glabrous. Pseudobulbs minute, cylindrical, hardly 0.2 cm long; 1-leaved. Leaf ligulate, apiculate, 1-2 by 0.25-0.5 cm near the middle; base slightly narrowed. Inflorescences 1-flowered, very short, covered with a few peduncle-scales. Floral bracts cucullate, surpassing the ovary. Sepals lanceolate, subacute, glabrous, 0.3 cm long. Lateral sepals oblique. Petals obliquely oblong-ligulate, obtuse, glabrous, 0.13 cm long. Lip fleshy, curved, broadly elliptic, strongly obtuse, 0.15 cm long; base above with a grooved swelling. Column very short; stelidia short, obliquely rhombic, subobtuse; column-foot slightly incurved. Anther cucullate, glabrous. Ovary sessile, glabrous, 0.1 cm long. (After Schlechter, 1913)
Colours: Flower yellow.
Habitat: Epiphyte in lower montane forest; 1000 m.
Flowering time in the wild: May.
Distribution: Malesia (New Guinea).
Distribution in New Guinea: Papua New Guinea; see map 96-664M.jpg.
Cultivation: Intermediate growing epiphyte.