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An epiphytic or lithophytic herb, often forming large masses; stems 15–30 cm. or more long.. Leaves linear, narrowly oblong or narrowly elliptic, rarely oblanceolate, 12–22.5 cm. long, 1.6–3.6 cm. wide.. Infloresences 6–20 cm. long, 5–14-flowered; peduncle 1.5–2 cm. long; bracts cymbiform, ovate, acute or subacute, 15–33 mm. long, 5–17 mm. apart.. Flowers white with a greenish spur, sweedy scented; pedicel and ovary 20–40 mm. long.. Sepals lanceolate, acuminate, recurved, 18–49 mm. long, 5–7 mm. wide.. Petals similar, 14–27 mm. long, 4.5–6 mm. wide.. Lip lanceolate, acuminate, recurved, 15–36 mm. long, 4–6 mm. wide.. Spur incurved to somewhat sigmoid, 30–70 mm. long.. Column 2–2.5 mm. long; rostellum pendent, 4.5–5 mm. long; viscidium bipartite.
Herb, robust epiphyte or lithophyte, up to 0.6 m high; with thick white roots. Stem elongated, mostly unbranched, in clumps, leafy, without pseudobulbs. Leaves alternate, distichous, sheathing, strap-shaped, fleshy, light green, 110-160 x 25-30 mm, unequally bilobed at apex. Inflorescences of axillary racemes, horizontal or arching. Flowers 5-15, each 20-30 mm in diam., star-shaped, creamy white becoming orange; sepals, petals and lip free, similar, 20-30 mm long, recurved; spur 40-60 mm long. Flowering time Jan.-May.
Monopodial epiphyte or lithophyte with stems to 40 cm. Leaves strap-shaped, channelled. Flowers few to many in a dense, axillary raceme, white, tepals subequal, recurved, narrowly lanceolate, apiculate, 20-30 mm long, spur 25-40 mm long.
Lip 8–42 × 3.5–6 mm, lanceolate, acuminate; spur 3–10 cm long, tapering from a mouth 3–6.5 mm wide, straight or slightly sigmoid.
Epiphyte. Stems up to 400 mm long. Leaves wider than 10 mm. Flowers large with spurs 40-60 mm long, turn orange with age; white.
Sepals and petals subsimilar, lanceolate, acuminate, recurved at apex; sepals 10–53 × 4.5–7 mm; petals 8–38 × 4–5 mm.
Leaves coriaceous or somewhat fleshy, 7–20 × 1–3.8 cm, linear, ligulate, oblong or elliptic.
Stem woody, sometimes branched, up to c. 30 cm long, covered with old leaf bases.
Flowers stellate, sweetly scented, white, turning apricot-coloured with age.
Inflorescences spreading, 8–18 cm long, up to c. 10-flowered.
Epiphytic or lithophytic herb, often forming large clumps.
Column 1–3 mm long; anther 3–8 mm long, beaked.
Roots stout, c. 5 mm in diameter.
Pedicel and ovary 15–50 mm long.
Bracts large, 10–30 × 10–16 mm.
Greenish or yellowish spur
Flowers white or cream
Fragrant.
