Plants acaulescent, with leaves in a basal rosette which is about 9 cm diam., (not) or slowly proliferous from the base. Leaves about 20, brownish or black, the young ascending to spreading, recurved, the old spreading, recurved, firm, 40-80 mm long, up to 18 mm broad at the base, 5-7 mm thick at the middle, obtuse-tapering, falcate; upper surface concave or flat, with a few tubercles scattered, or in longitudinal converging rows, rough; lower surface convex, obliquely keeled from the apex to the base, with rows of scattered oblong, solitary, small, prominent, dull or shining round tubercles which are similar to those on the upper surface, rough; margins rounded, scabrous, with numerous solitary, round or pointed dull shining tubercles. Inflorescence 40 to 46 cm tall; peduncle simple or occasionally branched, about 2 mm diam., up to 24 cm long, bracteate; sterile bracts membranous, deltoid, acuminate, about 4 mm long, erect, keeled; raceme 18 to 22 cm long, lax, with 20-26 spirally arranged flowers and buds, 4 or 5 open simultaneously; floral bracts membranous, 4 mm long, deltoid-lanceolate, keeled with reddish veins, clasping the pedicels, (longer than the pedicels); pedicels 3 mm long, up to 2 mm diam., grey-green or green, erect; perianth greyish-white with brownish keels to the segments, 15 mm long, straight, compressed at base, funnel-shaped, tube more or less 3 mm across, constricted to 2 mm above; segments not free to the base, limb 2 lipped; posterior segments with lobes free, slightly recurved, white with brown veins; exterior part recurved, spreading, white with brown veins; stamens 6 of two lengths 8 and 10 mm long, inserted within the perianth tube; ovary 5 mm long, 2 mm diam., green; style 6 mm long, white, straight, capitate.
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Usually solitary, acaulescent. Leaves 100-120 x 15-20 mm, lanceolate-deltoid, attenuate, erect with obtuse apex, dark grey to blackish in colour, with indistinct, slightly raised tubercles, margins obtuse. Flowering time Oct.-Dec.
Acaulescent succulent, forming large dark green rosettes. Leaves dark green, finely tuberculate, slightly viscous. Flowers white, on wiry peduncles.