Corybas ekuamensis

Corybas ekuamensis P.Royen, Phanerog. Monogr. 16 (1983) 114, fig. 31

Type: NGF (Millar) 38430 (holo LAE)

Small, 10 cm high terrestrial. Tuber not seen. Stem 7 cm high, slightly laterally compressed, 2-winged, glabrous. Cataphyll tubular, 1 cm long, caudate, 1-nerved, glabrous. Leaves ovate-cordate, 3 by 1.2 cm, acuminate, at the base cordate, margin crispy-wavy, mid-rib grooved above, prominent below, basal nerves 2 on either side of mid-rib, only the inner one reaching the apex of the leaf-blade, cross-veins 4 or 5 on either side of mid-rib, connate to inner basal nerve; rather densely pellucid lenticelled. Pedicel 0.15 cm long, glabrous. Floral bract linear but ovate at the base, 1.2 by 0.15 cm, acute, glabrous. Ovary slightly falcate-ellipsoid, 0.5 by 0.3 cm, with 3 winged and 3 flat ribs. Median sepal from a narrow basal part curved and widened into a hooded, 1 cm long apical part, obtuse and apiculate, 5-nerved at the base, up to 11-nerved and with transverse veins between the nerves on the hood, glabrous. Lateral sepals narrowly ovate at the base, linear, 0.4 by 0.08 cm, acute, glabrous. Lateral petals similar to lateral sepals but up to 0.7 by 0.1 cm. Lip from a short, tubular, ventrally inflated base abruptly curved downward and spreading into a narrowly elliptic 0.8 by 0.5 cm large blade, margins curved inward, coarsely fimbriate, 5-nerved at the base, 12-nerved near margin, glabrous, boss conoid; spurs conoid, 0.2 by 0.15 cm, obtuse. Capsule not seen. (After Van Royen, 1983).

Colours: Flowers white on outside, strongly marked on inside with purplish red veins.

Habitat: Terrestrial in upper montane forest.

Flowering time in the wild: Not known

Distribution: Malesia (New Guinea, endemic).

Distribution in New Guinea: Papua New Guinea. See map: 178-42M.JPG

Cultivation: Cool growing terrestrial.