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Perennial herb, ± 600 mm in diameter, with large tuberous root. Stems single to few, erect, up to 1 m high; densely pubescent to sparsely puberulent, rarely glabrous. Leaves petiolate; blade broadly to narrowly ovate to obovate, elliptic to narrowly elliptic or linear, 25-160 x 5-30 mm, dark olive-green above, paler below, densely pubescent to sparsely puberulent, veins conspicuous; petioles 3-15 mm long. Flowers: corona lobes trifid, central segment 4-5 mm long, lateral segments subulate, 2-3 mm long, green, greenish maroon or greenish violet; sepals with lobes 3-5 mm long, subulate, acute, longer than corolla tube; corolla pubescent outside, on inside at base brownish green, maroon-green or violet-green fading to green towards tips; Aug.-Jan. Fruit a follicle.
Geophytic herb, 50-250 mm long; tuber conical; stem single, erect. Leaves 3-7 pairs per stem, ± erect, narrowly obovate or ovate, 25-75 x 7-20 mm; glabrescent, pubescent or almost velutinous, flat (= R. elata) or midrib folded, base cuneate, apex acute. Inflorescences mostly terminal, many-flowered, in tight subglose clusters; peduncles 4.5-20.0 mm long. Flowers campanulate, greenish brown inside; tube 2.0-4.5 mm long; lobes ovate, 4-6 x 1.5-3.0 mm. Corona greenish maroon; lobes tripartite, central lobe filiform 4-5 mm long, lateral segments dentate, 1-2 mm long. Flowering time (Sept.)Oct.-Dec. Follicles 1 or 2, erect, narrowly fusiform, 50-220 x 4-10 mm.
A herb that keeps growing from year to year. It spreads 60 cm across. The stems can be a 1 m tall. It has a large tuberous root 50 cm across. The leaves vary from narrow to broad. They are 2.5-16 cm long by 5-30 mm wide. They are more pale green underneath and can be hairy.
Erect herb with large underground tuber, up to 0.6 m high, densely pubescent to sparsely puberulent on stems and leaves. Sepals 4-5 mm long, subulate, acute, longer than corolla tube. Corona lobes trifid. Flowers green, purple at base.
