Rhizome usually forked, ca. 1 cm in diam., fleshy. Stem scandent, 2--3 m or more, rather slender. Leaves alternate or occasionally also opposite, sessile or shortly petiolate, lanceolate to ovate-lanceolate, 7--13 cm, apex long caudate with a tendril. Flowers nodding; pedicel 10--15 cm. Tepals reflexed, bright red, proximally tinged with yellow, linear-oblanceolate, 4.5--5 cm × 7--9 mm, base slightly clawed, margin much crisped. Filaments 3--4 cm; anthers ca. 1 cm. Style 2.5--3.5 cm; stigma lobes 6--7 mm. Fl. Jul--Aug. 2 n = 22, 88, 90.
A climbing plant. Stems terete, glabrous. Leaves about 10 cm long, 4-8 cm broad, ovate, long-acuminate into a tendril, glabrous. Flowers solitary; buds ovate in outline, winged. Pedicel up to 13 cm long, terete, glabrous, sharply bent at the apex. Perianth-segments at first a pale yellow in colour, changing to red above and yellow beneath when more mature, at first horizontal and then strongly reflexed, 5 cm long, 2 cm broad, lanceolate, acuminate, with a deeply channelled claw, keeled in the channel. Stamens at first pointing downwards, at length becoming horizontal and radiating, 2-7 cm long; anthers 1-2 cm long, 3 mm broad, linear. Ovary 1-7 cm long, deeply 3-lobed; style bent at right angles to the ovary, 3-8 cm long; lobes 3 mm long.
Extends from the Albany district through the eastern part of South Africa and into tropical Africa.