Bulbophyllum mischobulbon

Bulbophyllum mischobulbon Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 864

Type: Schlechter 18825 (holo B, lost); neo: Carr 10513 (AMES; isoneo CANB, K, L, NY)

Rhizome pendulous, up to 100 cm long, 3-5 mm diam. Pseudobulbs approx. cylindrical, 2-6.5 cm apart, 3.8-8 by 0.3-0.5 cm, not flattened. Petiole 2-9 mm. Leaf blade ovate to elliptic, 3.5-11.5 by 1-2.4 cm, index 3.5-6, tip acute. Inflorescence 1.8-4.8 cm, 3-6-flowered. Peduncle 0.8-1 cm; bracts c. 3, the longest 4-8 mm. Rachis 0.7-3.5 cm. Floral bracts triangular, 2-4 mm, tip acute. Pedicel and ovary 3-5.5 mm, with the node 2-3 mm from the floral bract. Flowers hardly opening. Median sepal ovate to elliptic, 3-4.8 by 1.3-3 mm, index 1.6-3.3, tip acute; rather thin; glabrous. Lateral sepals free, oblique, ovate, 3-5.5 by 1.2-2 mm, index 2.5-3.3; otherwise as the median sepal. Petals approx. obovate, 1.8-3 by 1.1-1.8 mm, index 1.1-2.2, tip obtuse; margins slightly erose; thin; glabrous. Lip slightly curved, general outline elliptic, 1.5-2.4 by 0.6-1.5 mm, index 1.6-2.5 (not spread), tip rounded; margins somewhat finely papillose; thick; adx. with a basal concavity, basal teeth converging, together forming a transverse ridge with a notch or a slit half-way, basal part of the lip slightly concave, with two low keels close to the margins, surface approx. glabrous, passing with a second transverse, papillose ridge into the flat or slightly concave, approx. glabrous top part of the lip; abx. without a median ridge, surface slightly papillose. Column from ovary to the tip of the stelidia 0.5-1 mm; rostellum hardly protruding; stigma approx. orbicular, protruding at its base; column-foot with a rounded central knob above the attachment of the lip. Stelidia inconspicuous, triangular, tip acute. Anther abx. with a wide ridge; front margin not protruding. (After Vermeulen, 1993)

Colours: Rhizome scales dark purple. Flowers white, cream-coloured or pale yellow.

Habitat: Epiphyte in montane forest; 0-2250 m.

Flowering time in the wild: January, September, November.

Distribution: Malesia (New Guinea).

Distribution in New Guinea: Papua New Guinea; see map 96-1173M.jpg.

Cultivation: Cool growing epiphyte.