Bulbophyllum cyclophyllum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 792
Type: Schlechter 17324 (holo B, lost; iso K)
Epiphyte, very small, very long creeping. Rhizome strongly elongated, filiform. Roots filiform, flexuose, glabrous. Pseudobulbs 1.5-3 cm apart, very small, subglobose, 0.15-0.2 cm wide. Leaf erect, suborbicular or very broadly elliptic, 1-2 cm long, near the middle 0.8-1.3 cm wide, obtuse; base shortly weakly petiolate. Inflorescences 1-flowered, 1.5-2.5 cm long, setiform, with a few small peduncle-scales. Floral bracts very small, much shorter than the ovary and pedicel. Flower glabrous. Sepals at the base elliptic, caudate-narrowed towards the apex, 0.9 cm long. Petals obliquely elliptic, obtuse, 0.23 cm long. Lip elliptic, in apical third somewhat narrowed, fleshy, curved, obtuse, about as long as the petals. Column very short, glabrous; stelidia falcate-oblong, obtuse; column-foot incurved. Anther oblongoid-cucullate, umbonate, glabrous. Pedicel and ovary glabrous, 0.4 cm long. (After Schlechter, 1913)
Colours: Flower yellowish. Sepals with yellow tips. Lip dark red with yellow tip.
Habitat: Epiphyte in lower montane forest; 700 m.
Flowering time in the wild: February.
Distribution: Malesia (New Guinea).
Distribution in New Guinea: Papua New Guinea; see map 96-457M.jpg.
Cultivation: Intermediate growing epiphyte.