Corybas urikensis

Corybas urikensis P.Royen, Phanerog. Monogr. 16 (1983) 39, fig. 5

Type: NGF (van Royen) 20297 (holo BISH; iso L NOT FOUND, LAE)

Small, 1-3 cm high terrestrial. Tuber ovoid or globose, 0.4-0.6 cm across. Stem 0.3-1.5 cm long, 3-winged, glabrous. Cataphyll tubular, 0.5-0.6 cm long, acuminate. Leaves elliptic-ovate, 1.6 by 0.7 cm, acuminate, at the base cuneate, margin crinkled-wavy, mid-rib sunken above, prominent below mainly so in basal part, basal nerves 2 on either side of mid-rib, only inner one reaching tip of leaf, outer reaching about halfway, cross-veins 6 or 7 on either side of the mid-rib, connate to inner basal nerves, venation very sparse, transverse, rather densely pellucid lenticelled. Pedicel 0.15-0.2 cm long, glabrous. Floral bract linear, 0.55-0.65 cm long, acute, glabrous. Ovary conoid-cylindrical, slightly oblique, 0.4 cm long, 6-ribbed, glabrous. Median sepal spathulate, 1.8 by 0.5 cm, claw straight, upper part hooded, rounded, 3-nerved at the base, hood 10-15-nerved with all nerves crested on outside, warty between end of crests and margin. Lateral sepals linear, but subulate at tip, sepals 0.55-0.6 cm long, petals 0.25-0.3 cm long. Lip tubular and erect in lower 0.9-1.1 cm, ventricose in frontal basal part, abruptly curved downward and widening into a 0.5 by 0.5 cm large blade, margin coarsely fimbriate, boss 0.15 by 0.25 cm, lip warty on inside along apical part of margin in a broad belt, 3-nerved at the base, 11-nerved near margin; spurs conoid, 0.2-0.25 cm long, obtuse. Capsule not seen. (After Van Royen, 1983).

Colours: Leaves light green. Median sepal white. Lateral sepals and petals white with dark wine red tips. Lip white with broad wine red veins, but purple warty along apical margin.

Habitat: Epiphyte in upper montane forest. Altitude 1920 m.

Flowering time in the wild: January.

Distribution: Malesia (New Guinea, endemic).

Distribution in New Guinea: Papua New Guinea. See map: 178-131M.JPG

Cultivation: Cool growing epiphyte.