Polystachya magnibracteata P.J.Cribb

Dwarf epiphytic herb 3–7 cm. high.. Pseudobulbs 4 mm. apart on a short stout creeping rhizome.. Pseudobulbs erect or slightly curved, cylindrical-conical to ovoid-conical, 0.6–1.8 cm. long, 0.3–0.5 cm. diameter, 2–3-noded in apical half, drying yellow, 2–3-leaved.. Leaves suberect, spreading above, conduplicate, subacute to obtuse, 3 cm. long, 0.4 cm. wide.. Inflorescence erect, 2–5 cm., produced before the leaves have developed, racemose, 4–10-flowered; peduncle wiry, somewhat flattened, pubescent; bracts large, papery, cordate, mucronate, 6.5 mm. long, 8 mm. wide, sparsely pubescent.. Flowers spreading, sparsely pubescent, colour unrecorded.. Dorsal sepal lanceolate, acuminate, 7 mm. long, 2.8 mm. wide; lateral sepals obliquely lanceolate-falcate, acuminate, 8 mm. long, 4.5 mm. wide, forming with the column-foot a shortly conical mentum 4 mm. high.. Petals oblong or oblanceolate, obtuse, 6.5 mm. long, 1.8 mm. wide.. Lip very shortly clawed, recurved in middle, 3-lobed in basal half, 5.5 mm. long and 4 mm. wide when spread out; side lobes erect, subquadrate-rounded, clavate-pubescent; mid-lobe lanceolate, acuminate, fleshy, 4 mm. long, 1.8 mm. wide, bullate-rugulose, glabrous; callus fleshy, clavate-pubescent.. Column short; anther hemispherical, verrucose at apex.