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Plants with subterranean, moniliformous rhizomes; leaves thick-tissued, absent to 40 mm long at anthesis, reaching 240 x 13 mm; flowering stem c. 200-350 mm tall. Inflorescences elongate, 5-25-flowered. Flowers: sepals dull green, tinged brown and purple, petals and lip dull white with reddish purple lines on the inner surfaces, lip crests bright yellow. Sepals and petals spreading; median sepal (4-) 5-8 mm, elliptic, subacute; latªeral sepals similar; petals slightly longer to shorter than the median sepal, ovate, obtuse. Lip 3-lobed, crests consisting of verrucose ridges, produced chiefly on the convex portion of the midlobe; midlobe very convex adaxially, lateral margins irªregularly crenulate; side lobes adnate to the menªtum; mentum a little shorter than the gynoªstemium; spur cylindrical to slightly conical, 2.5-4 mm long. Gynostemium stout, 2-4 mm long.
Terrestrial, slender herb, with subterranean moniliformous rhizomes, 0.20-0.35 m high. Leaves erect, conduplicate, somewhat succulent, 240 x 13 mm, absent to just emerging at anthesis. Inflorescence elongate, 5-25-flowered. Flowers with sepals dull green, tinged brown and purple, petals and lip dull white with reddish purple lines on inner surfaces, crests deep yellow. Sepals: median sepal 5-8 mm long, elliptic, subacute; lateral sepals similar. Petals slightly longer or shorter than median sepal, ovate, obtuse. Lip 3-lobed, crests with verrucose ridges on convex portion of midlobe, lateral margins irregularly crenulate, side lobes adnate to mentum; mentum shorter than gynostemium; spur cylindrical, 2-4 mm long. Gynostemium 2-4 mm long. Flowering time July-Nov., after fire.
Herb, up to 350 mm high. Leaves thick, absent or partially developed at anthesis, up to 240 x 13 mm. Flowers: gynostemium 2-4 mm long; median sepal 4-9 mm long; margins of midlobe of lip undulate; spur slightly conical, 2.5-4.0 mm long; petals and lip dull white with reddish purple lines on inner surfaces; Sep.-Dec.
Lip 7–10 mm long, 3-lobed; side lobes erect, rounded or truncate, attached to the base of the column; mid-lobe 4.5–7 × 3–5.5 mm, suborbicular or elliptic, obtuse or emarginate, with a callus of 3–5 fleshy, verrucose ridges; spur 3–5 mm long, conical.
Terrestrial herb, up to 350 mm tall. Column 2-4 mm long. Odd sepal 4-9 mm long. Spur slightly conical, 2.5-4.0 mm long. Margin of midlobe of lip undulate. Flowers with petals and lip dull white with reddish purple lines on inner surfaces.
Leaves about 5, forming a fan, the lowest 2–3 sheath-like, 10–70 × 0.7–2 cm, linear-lanceolate, falcate in side view, not plicate, absent or just starting to develop at flowering time.
Perennating organs subterranean, pseudobulbous, 2–3 × 2–2.5 cm, asymmetrically conical, forming chains; roots white, 2–4 mm in diameter.
Inflorescence rather laxly few-to many-flowered; peduncle with 2–3 sheathing bracts; rhachis slightly zigzag.
Sepals olive-brown; petals and lip dull pink, yellow or whitish, the lip with yellow ridges.
Sepals 6.5–9.5 × 2.3–4.2 mm, oblong-elliptic, the laterals slightly larger than the dorsal.
Petals 8–10.6 × 3–7.8 mm, ovate-elliptic to suborbicular, concave.
Bracts 4–11 mm long, lanceolate, acuminate.
Column 1–3 mm long, lacking a foot.
Pedicel and ovary 13–20 mm long.
Terrestrial herb 17–60 cm tall.
