Growth form Epiphyte, bushy, branched, up to 13 cm high. Rhizome ca. 0.5-1 mm in diameter. Roots filiform, flexible, glabrous. Stem cylindrical, erect, slender, proliferously leafed, completely covered by leaf sheaths, internodes 0.2-0.7 cm long. Leaf elliptic-ovate, elliptic or elliptic-oblong, spreading-patent, coriaceous, glabrous, scabrous above, smooth below, midrib grooved above, prominent below, margin thin, transparent, irregularly erose; apex rounded, apiculate; base narrowed; lamina 0.3-2 cm long, 0.1-0.37 cm wide; sheath cylindrical, compressed, slightly 2-crested, sparsely transversely rugose mainly in apical part, with scattered round warts in lower parts, slightly ribbed, 0.2-0.8 cm long, in older part of stem up to 1.5 cm long; apex without tooth, with glabrous margin. Inflorescences terminal, 4-7-flowered, when young enveloped by a spathe. Spathe ovate-orbicular, 3-nerved at base, 9-nerved in higher parts, with few indistinct warts outside, punctate, 0.40-1.6 cm long, 0.7-1 cm wide; floral bracts transparent, thin, broadly elliptic, 3-nerved at base, 7-nerved in higher parts, apex subulate-acuminate, 0.75-1.2 cm long, 0.5-0.8 cm wide. Flowers upright, glabrous, with peduncle 0.1 cm long, compressed. Median sepal elliptic, 3-nerved, with silver spot, apex obtuse, subulate-conoid, 0.5-0.6 cm long, 0.25 cm wide. Lateral sepals enclosed the spur, up to 2/3 connate along the lower margin, free part broadly triangular-ovate, 5-nerved, midrib crested on outside near tip only, 0.3 cm long, 0.3 cm wide, apex acute, subulate-conoid; mentum oblong-conoid, oblique, 0.35 cm long, 0.3 cm wide, apex broadly truncate-rounded. Petal spathulate or obovate, often oblique, sometimes lobed in apical half, 3-nerved at base, 5-nerved in higher parts, apex obtuse, 0.5 cm long, 0.2 cm wide. Lip adnate to the base of the column, free heart-shaped, 0.02 cm long, 0.02 cm wide, 5-nerved; epichile obtusely acuminate; hypochile spurred; spur obliquely oblong-conoid, 0.2-0.4 cm long, 0.2 cm wide. Column stout, curved, 0.02 cm long, 0.015 cm wide; clinandrium not seen; stelidia ovate, 0.08-0.1 cm long, obtuse. Anther kidney-shaped, 0.15 cm long, 0.12 cm wide, 2-lobed, dorsally umbonate, retuse at either end, apical margin membranous; pollinia not seen; stigma not seen; viscidium not seen. Ovary narrowly ovoid-oblong, 3-sided, glabrous, 0.5 cm long. Capsule trigonous, ellipsoid, 0.6-0.7 cm long, 0.3 cm wide.
Distribution – Indonesia and Papua New Guinea.
Habitat and Ecology – Epiphyte in upper montane forest of Mt. Giluwe and Mt. Strong. Altitude 2500-3740 m. Flowering in January, April, May, June, July and September in the wild.
2. The epithet kanke refers to the local name of the species in the Mendi area.
3. Specimen observed: Schodde 1766 (L0061331); Vandenberg 39781 (G.giluwensis K 00810799); Stevens&Codde 51423 (G. flexilabrata L 0056414); ANU 16031 (G. lacireperta L 0064500).