Bulbophyllum inciferum J.J.Verm., Orchid Monogr. 7 (1993) 160, fig 113
Type: Carr 10588 (holo L; iso BM, CANB, K, LAE)
Rhizome creeping, 0.08-0.1 cm diam. Pseudobulbs ovoid, 0.2-0.4 cm apart, 0.3-0.9 by 0.15-0.25 cm, not or hardly flattened. Petiole 6-15 mm. Leaf blade elliptic, 2.7-9 by 0.15-0.3 cm, index 18-50; tip acute. Inflorescence 5-15 cm, 1-flowered; peduncle 3.5-11 cm. Floral bracts c. 2. the longest 0.28-0.35 cm. Floral bracts tubular, 0.3-0.4 cm; tip acuminate. Pedicel and ovary 0.6-0.16 cm, with the node 1.5-1.8 mm from the floral bract. Flowers moderately opening. Median sepal ovate, 10-22 by 0.3-0.4 cm, index 3-5.5; tip long acuminate to caudate, thin, glabrous. Lateral sepals free, oblique, 1.5-2.6 by 0.35-0.45 cm, index 3.7-7.4; otherwise as the median sepal. Petals obovate, 0.09 by 0.07 cm, index c. 1.3; tip obtuse, thin, glabrous. Lip approximately straight (?), general outline ovate, 0.48-0.7 by 0.2-0.3 cm, index 2.2-2.6 (not spread); tip approximately acute to shortly acuminate; rather thin, glabrous; adaxially with a distinct basal concavety, basal teeth converging, together forming a transversely ridge, fused to a high, sharply outlined, approximately box-shaped callus, top part of the lip approximately flat; abaxially without a median ridge. Column from ovary to the tip of the rostellum 0.18-0.2 cm; rostellum distinctly protruding; stigma slit-like, not protruding at its base. Column-foot with a small, slightly upwards pointing, obtuse, central knob above the attachment of the lip. Anther abaxially with a ridge towards its tip; front margin not protruding. (After Vermeulen, 1993)
Colours: Sepals ochre, suffused with purple towards the tip. Petals white. Lip ochre, often suffused with purple; callus purple, with a white crest. Column white.
Habitat: Epiphyte in montane forest; 0 m.
Flowering time in the wild: December.
Distribution: Malesia (New Guinea).
Distribution in New Guinea: Papua New Guinea; see map 96-859M.jpg.
Cultivation: Cool growing epiphyte.