Eulophia malangana (Rchb.F.) Summerh.

A terrestrial herb 60–100 cm. tall.. Perennating organ underground, rhizomatous, 6 or more cm. long, 6–9 mm. diameter; roots 3.5 mm. diameter, white.. Leaves 3–6, linear, erect, acuminate, 30–46 cm. long, 4–14 mm. wide, lowermost sheathing.. Inflorescence laxly to densely many-flowered, produced before the leaves; peduncle 4 mm. diameter, bearing 3–4 well-spaced sheaths along length; rhachis 6–15 cm. long; bracts elliptic to lanceolate, acute, 6–10 mm. long.. Flowers large, spreading; sepals white with greenish brown tips; petals and lip white, lip flushed with lilac in basal half; pedicel and ovary 10–20 mm. long.. Dorsal sepal erect, spathulate, rounded at apex, 10–13 mm. long, 6–8.5 mm. wide; lateral sepals similar, 12–13 mm. long, 6–9.5 mm. wide.. Petals porrect over column, elliptic-circular, rounded or shortly apiculate, 9–13 mm. long, 8–11 mm. wide, slightly concave.. Lip obscurely 3-lobed, 14–21.5 mm. long, 8–12 mm. wide; side lobes narrowly oblong; mid-lobe large, oblong-subcircular, rounded in front, with undulate margins; callus obscure, with 5 central veins somewhat thickened.. Spur conical, recurved, 2–4 mm. long.. Column 5–6 mm. long.. Fruit pendent, 20–23 mm. long.. Pl. 3.