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Plants terrestrial, slender to stout, 0.09-0.55 m high. Leaves 1-4, clustered at base, spreading near soil surface, ovate, 30-140 mm long. Inflorescence slender, 10-85-flowered; bracts deflexed. Flowers yellowish green to dull creamy white, parts tinged light to dark purple, apex dry to brown at anthesis. Sepals 5-10 mm long; median sepal strongly recurved; lateral sepals erect for 2/3 of their length, then twisted and reflexed. Petals similar to lateral sepals. Lip with apical flap 2-3 mm long; spur 5-10 mm long. Flowering time Sept.-Dec.
Herb, up to 0.55 m high. Leaves 1-4, lower spreading near soil surface, with gradual transition into sheaths above. Flowers: 4-85 in narrow spike; bracts deflexed at anthesis, lower bracts 4-7 mm wide; sepals 5-10 mm long, side sepals stand up next to lip for 2/3 of length; lateral sepals and petals facing sideways, narrow tips pointing upwards, browning soon after opening; spurs 5-10 mm long; perianth yellow-green to cream-coloured, tinged with purple; Sep.-Dec.
Slender or stout, tuberous geophyte, up to 0.55 m tall. Leaves 1-4, cauline but clustered near stem base, ovate to narrowly ovate, bracts deflexed. Flowers many in a slender raceme, yellowish green to dull creamy white, often with pink or purplish tinge, tepals attenuate and soon drying at the tips, sepals 5-10 mm long, spurs 5-10 mm long.
Slender or stout, tuberous geophyte, 20-55 cm. Leaves 1-4, cauline but clustered near stem base, ovate to narrowly ovate, bracts deflexed. Flowers many in a slender raceme, dull creamy white, tepals attenuate and soon drying above, sepals 7-10 mm long, spurs 7-10 mm long.
