Ceratostylis resiana

Ceratostylis resiana J.J.Sm., Bull. Dép. Agric. Indes Néerl. 19 (1908) 12

Type: Versteeg 1674a (holo BO?; iso L)

Growing in tufts. Rhizome short. Stems erect, subterete, 5-8 cm long, 0.1 5 cm thick, apex 1-leaved, at the base covered with sheaths. Leaf erect, curved, linear, acutely acuminate, apex laterally compressed, above longitudinally grooved, fleshy, 5-9 cm long, 0.45-0.5 5 cm wide; sheath short. Inflorescence many-flowered, capitate; sheaths dry, acuminate, 0.3-0.4 cm long, peduncles fasciculate, 1-flowered. Flowers small, 0.56 cm long, pilose outside. Median sepal oblong, somewhat acute, 3-nerved, 0.3 cm long, 0.15 cm wide. Lateral sepals obliquely oblong, somewhat acute, 3-nerved, [free part] 0.34 cm long, in total 0.58 cm long, 0.14 cm wide, at the base strongly dilated on one side, mentum pointing backwards, parallel to the ovary, straight, obliquely obovoid, oblong, almost club-shaped, broadly obtuse, with a longitudinally groove, surpassing the ovary. Petals oblong-elliptic, subacuminate, acute, 0.27 cm long, 0.13 cm wide. Lip spathulate, at the base somewhat extended beyond the apex of the column-foot, above the base incurved with an obtuse angle, gradually dilated to an ovate-elliptic blade, apex thickened, obtuse, concave, convex below, in the basal part very sparsely ciliolate, 3-nerved, inside with 3 small ribs, the midrib vanishing towards the base, 0.48 cm long, 0.13 cm wide. Column deeply bifid, 0.2 cm long, arms oblong, obtuse, outside convex, much surpassing the anther. Rostellum bidentate. Column-foot making an obtuse angle with the column, parallel to the ovary, straight, 0.2 cm long. Ovary densely pilose, with the pedicel 0.35 cm long. (After Smith, 1909)

Colours: Flower probably white.

Habitat: Epiphyte in lowland forest. Altitude 0-350 m.

Flowering time in the wild: Not known

Distribution: Malesia (New Guinea, endemic).

Distribution in New Guinea: Papua (Indonesia). See map: 125-123M.JPG

Cultivation: Warm growing epiphyte.