Astroloba corrugata N.L.Mey. & Gideon F.sm.

Herbaceous, succulent perennial; caulescent, with leaves carried in ±5 straight rows on vertical stem, up to 300-600 mm tall, 20-25 mm diam., solitary or proliferous from base and forming clusters. Leaves rigid, the young erect, the old spreading to more or less horizontal, 14-25 mm long, 11-18 mm broad at base, up to 5 mm thick, deltoid-ovate or lanceolate, sharply tapering, often twisted to one side in a spiral arrangement, tip pungent, light to dark green; upper surface flat to concave, tubercles concolorous, shiny, fairly evenly distributed, but tending to form raised longitudinal bands, up to 0.5 mm diam.; single distinct or indistinct keel occurring centrally or obliquely in distal third of leaf on upper surface, tubercled or with transverse ridges, keel not forming margin at apex; lower surface convex, similar to upper surface; margins upcurved, acute or rounded, rough. Inflorescence up to 430 mm long; peduncle simple, terete, 2-4 mm diam. at base, bracteate; sterile bracts membranous, ovate, acuminate, 4-8 mm long, erect, centrally keeled with reddish brown vein; raceme up to 270 mm long, lax, with 9-30 spirally arranged flowers and buds, 2-5 opening simultaneously; floral bracts membranous, ±5 mm long, deltoid, acute, keeled with reddish brown vein, clasping pedicels, shorter than or as long as pedicels; pedicels erect, up to 9 mm long, up to 1 mm diam., green. Flowers subactinomorphic, funnel-shaped, white or cream with pink or greenish tinge, midribs of perianth segments green with beige or pink tinge; tube regular, ± straight, slightly decurved apically, ±4 mm across, constricted to 3 mm above; segments closely coherent, fused towards base; outer segments not adjacent, spoon-shaped, retuse at tips; tips flared, <1 mm long. Stamens 6 of two lengths, 5 and 6 mm long, inserted within perianth tube. Ovary 4 x 2 mm, green; style 4 mm long, slightly curved, subcapitate, yellowish green. Fruit a trilocular capsule, cylindrical, apically retuse, ±12 x 5 mm diam. Seed dark grey, angled, shortly winged.