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Plants slender, 100-300 mm; basal leaves 2, adpressed to the ground, ovate to orbicular-reniform, c. 50 x 55-70 mm, cauline leaves 5-30, lanceolate, acuminate. Inflorescences dense, many-flowered; bracts lanceolate, acuminate, 10-20 mm long; pedicel with ovary curved, 10-15 mm long. Flowers green. Median sepal concave, ovate-lanceolate, acute, 5-7 mm long; lateral sepals lanceolate, acute, 5.5-8.5 mm long. Petals biparªtite nearly to the base, glabrous or puberulous; upper lobe erect, linear-lanceolate, adherent to the median sepal, 4-6.5 mm long; lower lobe curving upwards, linear, 4.5-8 mm long. Lip tripartite from near the base, glabrous or puberulous; midªlobe narrowly oblong, acute, 6-9 mm long; side lobes linear, acute, 5.5-8 mm long; spur slender, inflated apically, 8-11 mm long. Anther reflexed, truncate, c. 2 mm tall, canals slightly upcurved, c. 1 mm long; auricles prominent; stigmatic procªesses decurved, narrowly oblong, 1-2 mm long; central rostellum lobe triangular, c. 1 mm long.
Terrestrial herb, geophyte, slender, up to 0.35 m high; with globose root tubers. Leaves 2, basal, radical, unequal in size, the larger 25-50 x 25-70 mm. Inflorescence fairly dense, racemose; flowers 10-30, resupinate, yellowish green. Sepals unequal; dorsal sepal 6 mm long. Petals divided, glabrous to hairy; lower anterior lobe 4.5-8.0 mm long, curving upwards, slightly longer than posterior lobe. Lip 3-lobed, midlobe 6-9 mm long, 2 side lobes of similar length; spur 8-11 mm long, slender, straight, apex inflated. Flowering time Nov.-Mar.
Lip projecting forwards, glabrous or puberulous, 3-lobed almost to the base, all lobes linear; mid-lobe 6–9.5 × 1–1.5 mm; side lobes 5.5–8 mm long, c. 0.5 mm wide; spur 8–17 mm long, slender, slightly swollen towards apex, parallel to ovary.
Slender, tuberous geophyte to 30 cm. Leaves 2, basal, adpressed, suborbicular. Flowers in a dense raceme, yellowish green, petals bipartite, puberulous, anterior lobe linear, lip tripartite with spur 8-11 mm long, stigmas 1-2 mm long.
Dorsal sepal erect, 5–7.5 × 2.5–4 mm, ovate, convex, papillose on the margins and keels; lateral sepals deflexed or spreading, 5.5–8.5 × 2–3.5 mm, obliquely lanceolate, acute or acuminate.
Basal leaves 2, appressed to the ground, 1.5–5.5 × 1.5–7 cm, ovate to reniform, apiculate or rounded, cordate at base; stem leaves ±appressed to stem, 15–25 mm long, linear or lanceolate.
Herb, up to 250 mm high. Leaves basal 2, cauline 5-30. Flowers: median sepal erect; lobes of lip and petal lobes subequal; spur 8-11 mm long, mouth not widened; perianth green; Jan.-Mar.
Petals 2-lobed ± to base, glabrous, puberulous or ciliolate; posterior lobe erect, 4–6.5 × 1–2 mm, linear-ligulate; anterior lobe 4.5–10 × 0.5–1 mm, narrowly linear, curving upwards.
Terrestrial herb, up to 250 mm tall. Lobes of lip and petal lobes subequal. Mouth of spur not widened. Flowers green.
Stem erect, with 2 basal leaves and several to many stem leaves along its length.
Inflorescence 4.5–9 × 2–3 cm, fairly densely many-flowered; bracts c. 10 mm long.
Terrestrial herb 10–30 cm tall; tubers 1.5–2.5 cm long, ellipsoid, tomentose.
Anther erect, c. 2 mm high; canals c. 1 mm long, slightly upcurved.
Stigmas 1.5–3 mm long, clavate, porrect or lying along base of lip.
Flowers green or yellow-green, suberect or spreading.
Ovary and pedicel 8–10 mm long.
