Bulbophyllum endotrachys Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 808
Type: Schlechter 20172 (holo B, lost)
Epiphyte, very small. Rhizome very short. Roots filiform, flexuose, glabrous. Pseudobulbs minute, narrowly ovoid, 0.2-0.25 cm high; 1-leaved. Leaf erect, oblanceolate-ligulate, apiculate, glabrous, 1.5-4.5 by 0.2-0.8 cm above the middle; towards the base gradually narrowed. Inflorescences 1-flowered, 0.5 cm long, with a few small peduncle-scales. Floral bracts cucullate, as long as the ovary. Flower not resupinated. Sepals lanceolate, acute, 0.7 cm long. Lateral sepals oblique, tightly connate up to the apex. Petals obliquely lanceolate, acuminate, glabrous, 0.35 cm long. Lip narrowly lanceolate, acute, 0.43 cm long; base minutely auriculate; margins slightly recurved; midrib above carinate-swollen; blade above and along the margins densely rough-papillose. Column very short; stelidia subfalcate, subobtuse, very small; column-foot somewhat incurved. Anther helmet-shaped, glabrous. Ovary sessile, glabrous, 0.15 cm long. (After Schlechter, 1913)
Colours: Flower rose-red. Sepals with yellow apex.
Habitat: Epiphyte in lower montane forest; 800 m.
Flowering time in the wild: September.
Distribution: Malesia (New Guinea).
Distribution in New Guinea: Papua New Guinea; see map 96-586M.jpg.
Cultivation: Intermediate growing epiphyte.