Bulbophyllum baculiferum Ridl., Trans. Linn. Soc. London, Bot. 9 (1916) 189
Type: Kloss s.n. (Camp 6a, 3100 ft.) (holo BM)
Rhizome creeping, 1-1.5 mm diam. Roots spreading. Pseudobulbs ovoid, 0.3-2 cm apart, 0.3-0.4 by 0.2-0.3 cm, not laterally flattened. Petiole 2-5 mm. Leaf blade elliptic, 1.5-3.2 by 0.5-1 cm, index 2.5-3, tip obtuse. Inflorescence usually single, 11-15 cm, up to 12-flowered. Peduncle 9-11 cm; bracts 4, the longest 2-3 mm. Rachis erect, distinctly zigzag bent, up to c. 4.5 cm. Floral bracts triangular, 2.5-3 mm, tip acute to acuminate. Pedicel and ovary c. 10 mm, with the node 2.5-3 mm from the floral bract. Flowers scattered, few open at the time, moderately opening. Median sepal ovate-elliptic, c. 4 by 2.5 mm, index c. 1.6, top emarginate with an incurved, subulate projection c. 1 mm long, ending in a ellipsoid knob; margins somewhat erose; thin; surface glabrous. Lateral sepals connate over most of their length, oblique, obovate, c. 6.5 by 2.8 mm, index c. 2.3, tip an incurved, subulate projection c. 1.5 mm long; margins finely papillose; otherwise as the median sepal. Petals ovate-triangular, c. 2.2 by 1.2 mm, index c. 1.8, tip deeply retuse; margins finely papillose-erose; thin; surface glabrous. Lip 3-lobed, median lobe only slightly curved at the base, general outline ovate, c. 2 by 1.2 mm, index c. 1.7 (not spread), tip acute; approx. entirely finely papillose; thick; adx. concave and with a thick median ridge near the base, which in front is clasped between 2 inconspicuous ridges which in front converge; abx. with a distinct, retuse median ridge; basal lobes with the frontal margin inserted along the margin of the lip; large, semi-elliptic, tip rounded; approx. finely papillose; thin. Column from ovary to the tip of the rostellum c. 0.8 mm; stigma hardly protruding at its base, obovate; column-foot with inconspicuous, obtuse lateral wings close to the attachment of the lip. Stelidia approx. absent. Anther abx. with a ridge towards its base; front margin protruding. (After Vermeulen, 1993)
Colours: Not recorded.
Habitat: Epiphyte in lower montane forest; 759 m.
Distribution: Malesia (New Guinea).
Distribution in New Guinea: Papua (Indonesia); see map 96-167M.jpg.
Cultivation: Intermediate growing epiphyte.