Plants 120-200 mm high. Corm 10-15 mm diam., tunics of fine, pale, ± matted fibres. Stem simple or branched from near base. Leaves 5 to 7, obliquely apiculate, basal except uppermost, this inserted shortly above ground level, 7-14 mm at widest, sheathing lower part of stem. Spike (1-)3-to 5-flowered, weakly flexuose, secund; bracts pale below with whitish veins, becoming irregularly marked with brown distally, 10-15 mm long, outer obscurely 3-5-lobed, central lobe always longest, inner ± as long as outer, 2-4-lobed, but with 2 prominent, acute central lobes. Flowers zygomorphic, upper 3 tepals mauve or creamy yellow and lower 3 yellow with mauve or white tips, often with dark spots at base, abaxial half of throat darkly streaked, with weak spicy-sweet or rosy scent; perianth tube narrowly funnel-shaped, lower part clasping style, upper part curving outward, 8-9 mm long; tepals unequal, upper 3 largest, dorsal erect, 9-10 x ± 5 mm, upper laterals spreading at right angles to tube, ± 8.0 x 5.5 mm, lower 3 tepals united for ± 2 mm, lower laterals broadly channelled, horizontal with tips curving upward, ± 8.0 x 3.5 mm, lowermost held somewhat below lower laterals, 8 x 5 mm. Stamens unilateral, arcuate; filaments ± 4.5 mm long, reaching mouth of tube, white; anthers ± 4 mm long, purple when upper tepals mauve or white with violet lines on locule sutures; pollen ± white. Style arched adaxial to filaments, white, dividing ± opposite anther bases, branches diverging, recurved distally, ± 3.5 mm long, channelled, ciliate along margins ± to base, slightly wider in upper half. Capsule barrel-shaped, 9-10 x ± 7 mm. Seeds (4)5 or 6 per locule, dark reddish brown, 2.4-2.8 mm diam.
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Cormous geophyte, 15-30 cm. Leaves linear to sword-shaped. Flowers zygomorphic, small, cream-coloured sometimes flushed purple, tube very slender, faintly scented.