Bulbophyllum oreogenum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 837
Type: Schlechter 17975 (holo B, lost); para: 17362
Epiphyte, compact, erect or somewhat spreading. Rhizome stem-like, covered with sheaths. Roots filiform, flexuose, glabrous. Pseudobulbs close together, cylindrical, 0.4-0.6 by 0.15-0.2 cm; 1-leaved. Leaf linear or linear-ligulate, apiculate, 2.5-3.5 by 0.3-0.65 cm near the middle; base somewhat narrowed. Inflorescences 1-flowered, short, with peduncle-scales. Floral bracts very small, much shorter than the pedicellate ovary. Sepals ovate-lanceolate, acuminate, 0.5-0.6 cm long. Lateral sepals oblique. Petals obliquely ligulate, obtuse, glabrous, 0.18 cm long; above along the base the front margin somewhat angular-dilated. Lip fleshy, tongue-shaped, narrowly oblong, obtuse, 0.28 cm long; base somewhat dilated; underneath except the base covered with subulate papillae; above longitudinally 2-ribbed. Column short; stelidia subulate; column-foot rather short. Anther cucullate, glabrous. Ovary pedicellate, glabrous, 0.7-0.8 cm long. (After Schlechter, 1913)
Colours: Flower yellowish striped red. Lip dark red.
Habitat: Epiphyte in lower montane forest; 440-1000 m.
Flowering time in the wild: February, May, June, July, August.
Distribution: Malesia (New Guinea).
Distribution in New Guinea: Papua New Guinea; see map 96-1311M.jpg.
Cultivation: Intermediate growing epiphyte.