Bulbophyllum humile Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 730
Type: Schlechter 17848 (holo B, lost; iso K)
Epiphyte, tufted, up to 17 cm high. Rhizome very short. Roots filiform, flexuose, glabrous. Pseudobulbs crowded, cylindrical-conical, 1.5-2 by 0.35-0.55 cm below the middle; 1-leaved. Leaf erect, obliquely ligulate, acute, glabrous, 8-13 by 1.3-2 cm near the middle; base weakly narrowed into a petiole. Inflorescence 1-flowered, very short, covered with peduncle-scales. Floral bracts ovate-lanceolate, acute, shorter than the ovary. Flower erect, hardly exceeding the pseudobulb. Sepals narrowly oblong, apiculate, glabrous, 0.8 cm long. Lateral sepals oblique, up to near the apex connate. Petals obliquely falcate, ovate-lanceolate, subacute, below the middle the margins on either side with one tooth, 0.15 cm long. Lip immobile, narrowly oblong-ligulate, obtuse, 0.7 cm long; base cuneate, the very base concave-auriculate; above minutely papillose. Column exceeding the petals; stelidia short, quadrangular, minutely incised; without column-foot. Anther rhombic-cucullate, umbonate, glabrous. Pedicel and ovary short, glabrous, 0.6 cm long. (After Schlechter, 1913)
Colours: Flower whitish, striped with red. Lip red.
Habitat: Epiphyte in lower montane forest; 800 m.
Flowering time in the wild: June.
Distribution: Malesia (New Guinea).
Distribution in New Guinea: Papua New Guinea; see map 96-828M.jpg.
Cultivation: Intermediate growing epiphyte.