Perennial climber, up to 2 m long; internodes very long, wiry. Leaves: lamina lanceolate to elliptic, (40-)48-90 x 12-45 mm, thinly textured, glabrous, upper surface embossed, green, glaucous below, base cuneate, apex acuminate, tapering into a drip-tip, midveined to apex, prominently net-veined below; petioles 4.0-12.5 mm long. Inflorescences of axillary, few-flowered cymes, 18-75 mm long, lax, dichotomously or trichotomously forked. Peduncle 20-57 mm long. Pedicels 12-25 mm long. Buds twisted. Flowers cream-coloured or yellowish green, campanulate; tube (4-)5-6 mm long; lobes spreading to reflexed, twisted, lanceolate, 8.5-10.5 mm long. Corona: lobes inserted, coralline, fleshy, ovate, ± 1 mm long, apex pointed; staminal corona absent. Stamens connivent over conical style-apex. Flowering time Nov.-Feb. Follicles paired, divergent, narrowly fusiform, 100-220 x 4.5 mm.
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Small climber, up to 5 m high. Leaves acute. Pedicels 1-2 mm long. Corolla lobes 6-10 mm long, linear-lanceolate, acuminate. Flowers white.