Perennial with a large woody rootstock or globose tuber with a dark bark. Stems several, annual, suberect to prostrate, stiff, rather stout, glabrous or minutely hirsute, up to 500 mm long. Leaves usually secund, often falcate, linÂear to ovate-lanceolate, 40-120 x 20-40 mm, apex acute to apiculate, also bilobed, base cuneate to rounded, glabrous or with short brisÂtles on -nerves and margins, conspicuously nerved; petiole 5-10 mm long. (Leaves also deeply incised or trisected, leaf segments narÂrower than 10 mm.) Peduncles 1-3-flowered, axillary, glabrous, 10-50 mm long; bracts minute; pedicels subclavate, up to ± 12 mm long. Calyx subglabrous, sepals subequal, ovate-oblong to ovate-lanceolate, 8-12 mm long. Corolla funnel-shaped, glabrous, 50-80 mm long, pale pink or pale mauve, tube darker inside, limb 5-angled; midpetaline areas disÂtinct, ending in mucronate-aristate points. Capsule subglobose, apiculate, glabrous, 10-12 mm in diameter. Seeds ± 4 mm long, brown, glabrous with a basal tuft of hairs near hilum. Flowering time November to March.
