Bulbophyllum microrhombos

Bulbophyllum microrhombos Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 719

Type: Schlechter 19757 (holo B, lost)

Epiphyte, very small, c. 5 cm high. Rhizome very short. Roots filiform, elongated, flexuose, glabrous. Pseudobulbs ovoid or cylindrical-ovoid, 0.8-1.2 by 0.35-0.55 cm. Leaf erect or suberect, ligulate or oblong-ligulate, minutely apiculate, glabrous, 2-3 by 0.4-0.8 cm near the middle. Inflorescence 1-flowered, basal, slender, filiform, glabrous, 2.5-3 cm long; with few small, distant peduncle-scales. Floral bracts minute, elliptic, sheathing, much shorter than the ovary and pedicel. Flower erect or suberect. Sepals ligulate, subapiculate, glabrous, 0.8 cm long. Lateral sepals somewhat oblique. Petals minute, obliquely rhombic, acute, glabrous, 0.1 cm long. Lip in outline convex-ligulate, subobtuse, 0.55 by about 0.1 cm in the middle; base minutely concave-auriculate; in basal fourth slightly constricted, upwards somewhat widened; margins recurved; underneath hollow; on upper side except in the basal fourth minutely papillose-puberulous. Column very small, curved, thickened at the base; column-foot almost absent; stelidia short, in front unequally angular-bidentate. Ovary and pedicel slender, glabrous, c. 1.2 cm long. (After Schlechter, 1911-1914)

Colours: Flowers red. Lip golden yellow, red at the base.

Habitat: Epiphyte in lower montane forest; 1200 m.

Flowering time in the wild: June.

Distribution: Malesia (New Guinea), Solomon Islands.

Distribution in New Guinea: Papua New Guinea; see map 96-1153M.jpg.

Cultivation: Intermediate growing epiphyte.