A terrestrial herb 2–8.5 dm. high, glabrous except for the roots and petals.. Tubers ellipsoid or ovoid, 0.7–2.5 cm. long, 4–12 mm. in diameter, sparsely tomentose.. Stem erect, slender, leafy throughout its length.. Leaves 5–12, the lowermost often reduced to a sheath, the lower 3–5 ± erect or suberect, linear, acute, the largest 7–20 cm. long but only 5–10 mm. broad, the upper ones smaller, adpressed to the stem, lanceolate, acute.. Inflorescence 6-22 cm. long, 3–5 cm. in diameter, rather loosely 7-to many-flowered.. Bracts lanceolate, acute, 5–17 mm. long, usually much shorter than the pedicel with ovary.. Flowers curving upwards or suberect, green with white centre; pedicel with ovary straight or ± incurved, 1.5–3 cm. long, the pedicel slender, the ovary ellipsoid, ± 5 mm. long.. Dorsal sepal refiexed, narrowly elliptical, obtuse, convex, 3–5.5 mm. long, 1.5–2.5 mm. broad; laterals deflexed, obliquely elliptical or obovate, apiculum very markedly lateral, 5–8.5 mm. long, 3–5 mm. broad.. Petals bipartite nearly to the base; posterior (upper) lobe refiexed, linear, 3–4.5 mm. long, less than 0.5 mm. broad, ciliolate; anterior lobe spreading forwards, narrowly lanceolate, acute, curved, 6.5–11 mm. long, ± 1.5 mm. broad, glabrous.. Lip deflexed, tripartite from an undivided base 1.5–4 mm. long; lobes linear, ± incurved, the middle lobe 7–13 mm. long, the side lobes usually a little shorter, all less than 0.5 mm. broad.. Spur ± incurved, apex much swollen, 1–2.5 cm. long.. Anther nearly 2 mm. high, loculi reclinate, canals porrect with upcurved ends, 3.5–6.5 mm. long.. Stigmas porrect, slender with swollen truncate apices, 3.5–7 mm. long.. Rostellum narrowly triangular, acute, ±1.5 mm. long.
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Lip 3-lobed with an undivided base 1.5–4 mm long; mid-lobe 13–15 mm long; side lobes 13–17 mm long; all lobes linear, c. 0.5 mm wide; spur 10–25 mm long, usually incurved, the apex very swollen.
Petals 2-lobed almost to base; upper lobe reflexed, 3–4.5 × 0.3–0.4 mm, linear; lower lobe 6.5–13 × 1–1.5 mm, narrowly lanceolate, acute, curving forwards.
Stem leafy; leaves 5–12, the lowermost usually sheathing, the next few erect or suberect, the largest 7–21 cm long and 4–10 mm wide, narrowly linear.
Dorsal sepal reflexed, 3–5.5 × 1.5–2.5 mm, elliptic; lateral sepals deflexed, 4–8.5 × 3–5 mm, obliquely obovate with a lateral apiculum.
Inflorescence 6–22 × 3–5 cm, laxly or fairly densely few-to many-flowered; bracts 7–18 × 2–3 mm, usually shorter than pedicel and ovary.
Pedicel and ovary straight or slightly incurved; pedicel 24–30 mm long, ovary 5–6 mm long.
Stigmatic arms 4–8 mm long, porrect, slender with the apices enlarged and truncate.
Anther 1.2–2.5 mm high; canals 3.5–6.5 mm long, porrect, the tips upcurved.
An open raceme of small green or reddish green flowers
Rather slender terrestrial herb 18–85 cm tall.
Rostellum mid-lobe 1.5–2 mm long, triangular.
Flowers suberect, green or green and white.
Tubers 1–2.5 cm long, ellipsoid or ovoid.
A very slender herb up to 21/2 ft. high
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