Bulbophyllum oreodoxa Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 869
Type: Schlechter 18532 (lecto B, lost; isolecto AMES, BM, BO, K, chosen by Vermeulen 1993); 18270 (syn B, lost)
Rhizome creeping, 0.5-1.5 mm diam.; rhizome scales of the longest internodes shorter to slightly longer than those internodes. Roots in tufts below each pseudobulb. Pseudo-bulbs ovoid to approx. orbicular, 0.4-2 cm apart, 0.2-0.7 by 0.15-0.5 cm, not flattened. Petiole 0.3-5 mm. Leaf blade ovate to elliptic, 0.5-2.5 by 0.3-0.8 cm, index 1.34.6, tip acute to acuminate. Inflorescence 3-8 cm, 2-7-flowered. Peduncle 1.7-6.8 cm; bracts 3-5, the longest 2-4 mm. Rachis erect or arching, 0.2-2.5 cm. Floral bracts ovate, 1.2-2.5 mm, tip acute. Pedicel and ovary 3-6 mm, with the node 0.3-1 mm from the floral bract. Flowers all open at the time, moderately opening. Median sepal ovate, 612 by 1.3-2 mm, index 4.5-10, tip long acuminate to caudate; thin; glabrous. Lateral sepals free, 6-12.5 by 1.4-2.2 mm, index 4-7, otherwise as the median sepal. Petals ovate to elliptic, 1.5-2.5 by 0.8-1.4 mm, index 1.4-2.2, tip obtuse to acute; thin; glabrous. Lip curved, general outline ovate, 1.5-1.8 by 0.8-1.2 mm, index 1.5-2.5 (not spread), tip rounded to subacute; thick but soft; glabrous; adx. concave near the base; abx. with an inconspicuous, retuse, median ridge. Column from ovary to the tip of the stelidia 0.5-0.8 mm; stigma protruding at its base, obovate; column-foot without accessories. Stelidia inconspicuous, triangular, tip acute; sometimes with a an inconspicuous, rounded wing along the lower margin. Anther abx. with a ridge; front margin protruding. Pollinia 2. (After Vermeulen, 1993)
Colours: Flowers white or cream-coloured.
Habitat: Epiphyte in lower montane forest; 450-2900 m.
Flowering time in the wild: February, March, June, August, September, October, November, December.
Distribution: Malesia (New Guinea).
Distribution in New Guinea: Papua (Indonesia); Papua New Guinea; see map 96-1309M.jpg.
Cultivation: Intermediate growing epiphyte.