Tainia serratiloba Ormerod, Austrobaileya 7 (2005) 202, fig. 11
Type: Brass 12308 (holo AMES), from Indonesia, Papua Prov., Idenburg River
Epiphytic [or terrestrial] herb. Roots few, elongate. Rhizome terete, internodes 8-11 mm long and 1-3 mm thick; rhizome sheaths tubular, clasping, obliquely truncate, c. 7 mm long. Pseudobulbs 3-4 cm apart, narrowly conical-cylindrical, unifoliate, fused(?) to rhizome for up to 7.5 mm, up to 1.25 cm long and 2 mm thick. Leaves ovate-lanceolate to oblong-lanceolate, acute, 13-nerved, 4.8-6.6 by 1.1-1.4 cm. Inflorescences 6.2-13 cm long; peduncles resembling pseudobulbs basally, 5.9-7.5 cm long and to 2 mm thick; peduncle-scales three, laxly spaced, tubular, obliquely truncate, acute, 8-15 mm long; rachis laxly 1-4-flowered, 2.1-5.5 cm long; floral bracts tubular, obliquely truncate, acute, 6.5-9.5 mm long. Flowers resupinate. Pedicel plus ovary narrowly clavate, 9-12.5 mm long. Median sepal ligulate-oblanceolate, acute, c. 1.55 by 0.35 cm; lateral sepals falcate, oblong-ligulate, acute, median nerve weakly carinate externally, c. 1 mm long and 0.28 cm wide. Petals oblong-ligulate, falcate, acute, c. 13 by 3.25 mm; lip 3-lobed, c. 0.75 by 0.6 cm, with three subcrispate-undulate keels each grooved on the upper edge; hypochile c. 4.5 mm long, with obliquely subquadrate, erose-lacerate lateral lobes c. 1 mm long and 2 mm wide; epichile subquadrate, minutely apiculate, c. 3 mm long and 4.5 mm wide. Column broadly winged, without anther c. 6.5 mm long, c. 3 mm wide laterally at apex, c. 1.2 mm wide laterally near base, lobe of column wings c. 0.9 mm wide; pollinia eight. Capsule c. 2.6 cm long and 0.65 cm thick with pedicel 1 cm long. (After Ormerod 2005)
Colours: Sepals brown with yellow tips, lip white.
Habitat: Terrestrial in montane forest, also epiphytic in moss at the base of trees; 1750 to 2400 m.
Flowering time in the wild: January, March, May, September.
Distribution: Malesia (New Guinea).
Distribution in New Guinea: Papua (Indonesia); Papua New Guinea. See map: 677-104M.JPG.