Bulbophyllum hamadryas Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 755
Type: Schlechter 17023 (holo B, lost); para Schlechter 18138; 20287
Epiphyte, slender, 20-28 cm high. Rhizome creeping, flexuose. Roots filiform, flexuose, glabrous. Pseudobulbs conical-cylindrical, 2-3 cm by 0.3-0.5 cm above the base. Leaf erect, narrowly lanceolate-ligulate, acute, glabrous, 12-25 by 0.8-1.6 cm near the middle; base gradually narrowed into a petiole. Inflorescence erect-patent, with a few small, distant peduncle-scales, slender, rigid, 7-15 cm long. Inflorescence rather laxly several-flowered, gradually elongated, bracts distichous ovate, apiculate, almost 3 times shorter than the pedicellate ovary. Flowers glabrous. Sepals patent, 2.2 cm long. Median sepal lanceolate, acuminate. Lateral sepals obliquely oblong, shortly acuminate. Petals linear-lanceolate, sharply acute, oblique, c. 1 cm long. Lip oblong, subacute, c. 1.8 by 0.7 cm in the middle; base with 2 keels; basal half above sparsely verruculose. Column slender, straight; stelidia hardly conspicuous, tooth-like; column-foot lightly curved. Ovary pedicellate, glabrous, c. 1.5 cm long. (After Schlechter, 1913)
Colours: Flower yellowish white. Sepals and petals at the base with red dots. Lip golden yellow, spotted red at the base.
Habitat: Epiphyte in lower montane forest; 800-1320 m.
Flowering time in the wild: May, September, November, December.
Distribution: Malesia (New Guinea).
Distribution in New Guinea: Papua New Guinea; see map 96-781M.jpg.
Cultivation: Intermediate growing epiphyte.