Bulbophyllum peltopus Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 761
Type: Schlechter 19709 (holo B, lost; iso BM, K)
Rhizome creeping, 2-3 mm diam. Pseudobulbs ovoid, 0.4-2 cm apart, 1.4-3.4 by 0.5-1 cm, not or hardly flattened. Petiole 10-20 mm. Leaf blade elliptic to obovate, 4-11 by 1.1-2.5 cm, index 2.3-10.5, tip acute to acuminate. Inflorescence 16-31 cm, 1-flowered. Peduncle 11-21 cm; bracts 3-4, the longest 6-9 mm. Floral bracts tubular, 5-7 mm, tip acute to acuminate. Pedicel and ovary 22-42 mm, with the node 3.2-7 mm from the floral bract. Flowers widely opening. Median sepal ovate, 29-55 by 5-9 mm, index 4.18.7, tip caudate; thin; glabrous. Lateral sepals free, oblique, 31-72 by 4.5-8.5 mm, index 4.7-10; otherwise as the median sepal. Petals elliptic to (ob)ovate, 2.2-5 by 0.8-1.5 mm,index 2-5, tip rounded to acute; (rather) thin; glabrous. Lip approx. straight, general outline ovate to elliptic, 8-14 by 4 -7 mm, index 1.7-2.4 (not spread), tip widely rounded; thick; glabrous; adx. with a distinct basal concavity, basal teeth converging, together forming a transverse ridge with a deep slit half-way, basal part of the lip widely concave, gradually passing into the slightly convex top part of the lip; abx. without a median ridge. Column from ovary to the tip of the rostellum 2-3 mm; rostellum distinctly protruding; stigma elliptic, not or slightly protruding at its base; column-foot with a distinct, approx. straight to somewhat upwards pointing, rounded central knob above the attachment of the lip. Anther abx. with a weak ridge; front margin hardly protruding. (After Vermeulen, 1993)
Colours: Sepals white to bright yellow, often with pink or purple veins towards the base. Petals white or yellowish, sometimes with pink margins. Lip white or yellow, suffused with pink or purple, or entirely purple. Column white. Anther purple.
Habitat: Epiphyte in lower montane forest; 1300-2300 m.
Flowering time in the wild: June, November.
Distribution: Malesia (New Guinea).
Distribution in New Guinea: Papua New Guinea; see map 96-1389M.jpg.
Cultivation: Intermediate growing epiphyte.