Bulbophyllum humblotii Rolfe

A small epiphytic herb, with a creeping rarely branching rhizome 2 mm. in diameter.. Pseudobulbs 1-leafed, ovoid to spherical, 7–10 mm. in diameter, borne 2–3 cm. apart on rhizome, yellow.. Leaf fleshy, suberect, narrowly oblong or obovate, obtuse, 2–3.5 cm. long, 7–9 mm. broad.. Inflorescence erect or arcuate, to 3 cm. long, densely up to ± 10-flowered; bracts white, scarious, ovate, acute, 2–3 mm. long.. Flowers cream with a yellow lip.. Dorsal sepal concave, ovate-elliptic, obtuse, 3.5–5 mm. long, 2.5–3 mm. broad; lateral sepals obliquely lanceolate, acute, 4–6 mm. long, 2.5 mm. broad.. Petals oblong, rounded or obtuse, 1.7–2.5 mm. long, 1 mm. broad.. Lip geniculate near base, entire, longitudinally sulcate, 2.3–3.5 mm. long, 1 mm. broad, papillose on dorsal surface near base.. Column 1.5 mm. long; stelidia porrect, acuminate, 1 mm. long.