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Plants slender, 200-600 mm; leaves cauline, few, suberect, linear to elliptic-lanceolate, acuminate, to 140 x 14 mm. Inflorescences lax, many-flowered; bracts lanceolate, acuminate, 6-12 mm long; ovary with pedicel strongly curved, pedicel 3-5 mm long, ovary 5-8 mm long. Flowers green, suberect. Median sepal erect, shallowly concave, ovate, obtuse, 3-4.5 mm long; lateral sepals deªflexed, oblong-lanceolate, curved, obtuse, 3.5-6 mm long. Petals simple, lanceolate, curved, acute, as long as the median sepal and adherent to it. Lip tripartite from near the base; lobes linear, carnose; midlobe slightly longer and broader than the side lobes, 5-8 mm long; spur with a small tooth in the mouth, incurved, slender, slightly inflated in the apical part, 20-30 mm long. Anther on a short sterile base, truncate, c. 2 mm tall, canals erect, c. 1 mm long; stigmatic processes coherent, semi-terete, sometimes papillose below, c. 2 mm long; central rostellum lobe lanceolate to narrowly obªlong, truncate, 1-1.5 mm long, with a median keel.
Terrestrial herb, geophyte, slender, up to 0.6 m high; root tubers globose. Leaves cauline, linear to lanceolate, 90-140 x 14 mm. Inflorescence lax, racemose; flowers 12-25, resupinate, green with yellow pollinia. Sepals unequal; median sepal ovate, 3.0-4.5 mm long. Petals undivided, adhering to median sepal. Lip 3-lobed, midlobe 5-8 mm long, 2 side lobes shorter; spur 18-30 mm long, slender, incurved, apex swollen. Flowering time Feb., Mar.
Lip 7–8 mm long, 3-lobed to base, all lobes linear, the mid-lobe slightly longer and broader than the side lobes; spur 20–35 mm long, slender, straight or slightly incurved.
Terrestrial herb, up to 500 mm tall. Leaves linear to narrowly oblong. Spur 20-30 mm long. Petals lanceolate, falcate; lip with 3 long narrow lobes. Flowers green.
Inflorescence 2–30 cm long, laxly or densely few to many-flowered; bracts up to 12 mm long, shorter than the ovary, lanceolate, acute.
Dorsal sepal 3–4.5 × 2–3 mm, ovate, erect, convex; lateral sepals 5–6 × 1.8–2.2 mm, obliquely ovate, deflexed.
Slender terrestrial herb 25–80 cm tall, with villous, ellipsoid tuber 1–2 cm long.
Leaves several, spread up stem, 5–18 cm long, 3–15 mm wide, lanceolate or linear.
Petals 3–4.5 × 1–1.5 mm, entire, lying beside dorsal sepal.
Stigmatic arms 1.8–2.5 mm long, sometimes papillose below.
Anther c. 2.6 mm high; canals 0.7 mm long.
Rostellum mid-lobe 1–1.8 mm high, obtuse.
Flowers small, green, in an open spike
A slender herb up to 18 in. high
Ovary and pedicel 9–13 mm long.
Flowers green.
