Bulbophyllum ochthochilum J.J.Verm., Orchid Monogr. 7 (1993) 137, fig. 92
Type: Carr 10369 (holo L; iso AMES 2x, BM, CANB, K, L 2x, LAE, NY)
Rhizome patent to pendulous, to 45 by 0.15-0.2 cm diam. Pseudohulbs ovoid, 0.5-1.5 cm apart, 1-1.5 by 0.2-0.4 cm, moderately flattened. Petiole 0.5-3 mm. Leaf blade ovate to elliptic, 1.5-3.5 by 0.3-0.6 cm, index 3.6-10; tip obtuse to acute. Inflorescence 1-1.5 cm, 1-flowered; peduncle 0.4-0.8 cm. Floral bracts 2. the longest 0.55-0.7 cm. Floral bracts tubular, 0.3-0.5 cm; tip acute. Pedicel and ovary 1-2 mm, with the node 0.03-0.04 cm from the floral bract. Flowers moderately opening. Median sepal ovate, 0.5-1 by 0.1-0.15 cm, index 5-6.7; tip long acuminate to caudate; rather thin, glabrous. Lateral sepals free, 5-9 by 1-1.6 mm, index 5-6; otherwise as the median sepal. Petals (ob)ovate, c. 1 by 0.2-0.5 mm, index 2-5; tip rounded to obtuse, thin, glabrous. Lip slightly curved, general outline approximately elliptic, 0.7-1 by 0.6-0.9 mm, index 1.1-1.2 (not spread); tip rounded; rather thick, glabrous; adaxially approximately without a basal concavety, without basal teeth, top part of the lip moderately concave, with a distinct, approximately conical callussity close to the tip; abaxially approximately without a median ridge. Column from ovary to the tip of the rostellum 0.7 mm; rostellum distinctly protruding; stigma transversely elliptic, distinctly protruding and with a distinct, obtuse, knob at its base. Column-foot with an inconspicuously, obtuse, central knob above the attachment of the lip. Stelidia absent or inconspicuously, if present obtuse. Anther abaxially with an inconspicuously ridge; front margin somewhat protruding. (After Vermeulen, 1993)
Colours: Sepals and petals whitish. Lip deep pinkish red with a white spot in the centre.
Habitat: Epiphyte in lower montane forest.
Flowering time in the wild: October.
Distribution: Malesia (New Guinea).
Distribution in New Guinea: Papua New Guinea; see map 96-1278M.jpg.
Cultivation: Intermediate growing epiphyte.