Bulbophyllum levatii Kraenzl. subsp. mischanthum J.J.Verm., Orchid Monogr. 7 (1993) 104, fig. 61, pl. 3a
Type: Jongejan cult. (Cruttwell) 249 = Leiden cult. 28070 (holo L, alc. only)
Rhizome creeping, 1-4 mm diam.; rhizome scales generally longer than the internodes. Roots in tufts below each pseudobulb. Pseudobulbs ovoid, 1.4-7 cm apart, 0.4-2 by 0.3-1 cm, not flattened. Petiole 4-30 mm. Leaf blade elliptic to obovate, 3-11 by 0.6-3 cm, index 2.2-5.3, tip obtuse to acute. Inflorescence 11-35 cm, 6-55-flowered. Peduncle 4.5-17 cm; bracts 4-6, the longest 3-7 mm. Rachis erect to pendulous, 1.5-21 cm. Floral bracts triangular, 1.5-4 mm, tip acute to acuminate. Pedicel and ovary 6.5-14 mm, with the node 0.5-1.5 mm from the floral bract. Flowers many open at the time, moderately opening. Median sepal ovate, 10-)15-30 by 0.ll-0.2 mm, index 4-17, tip long acuminate to caudate; rather thin; glabrous. Lateral sepals free, oblique, ovate to triangular, 12-)16-34 by 0.12-0.22 cm, index 9-16, otherwise as the median sepal. Petals ovate to elliptic, 0.13-0.22 by 0.7-1.8 mm, index 1.5-2.5, tip rounded to acute; margins glabrous to erose; thin; surface glabrous. Lip somewhat curved, general outline ovate, 1.3-2.5 by 0.8-1.5 mm, index 1.5-2.8 (not spread), tip rounded; thick; approx. glabrous; adx. concave near the base, with 2 ridges converging in front; abx. with a retuse median ridge. Column from ovary to the tip of the stelidia 0.6-1.5 mm; stigma protruding at its base, approx. orbicular; column-foot approx. without accessories. Stelidia inconspicuous, triangular, tip acute; with a distinct, generally forwards directed, deltoid or triangular, rounded to acute tooth along the lower margin. Anther abx. with a ridge; front margin protruding. Pollinia 2. (After Vermeulen, 1993)
Colours: Flower white.
Habitat: Epiphyte in lower montane forest; 900-3000 m.
Flowering time in the wild: January, February, March, June, August, September, October.
Distribution: Malesia (New Guinea).
Distribution in New Guinea: Papua (Indonesia); Papua New Guinea; see map 96-993M.jpg.
Cultivation: Intermediate growing epiphyte.