Tall perennial climber. Stems woody, older parts with dark, rough bark, young twigs ± herbaceous, hairy. Leaves subcordate, subentire, apex mucronate and ± acuminate, base cordate to subtruncate, basal lobes rounded, both surÂfaces minutely adpressed-puberulous, ± gla-brescent; main nerves slightly prominent beneath; blade 30-70 x 15-50 mm; petiole densely adpressed-puberulous, 10-30 mm long. Inflorescence axillary, cymosely 1- to few-flowÂered; peduncle densely adpressed-puberulous, up to 70 mm long; pedicels somewhat pubesÂcent, faintly striate, 5-25 mm long; bracteoles 6 x 2-3 mm, early deciduous. Sepals unequal, glabrescent; 2 outer sepals cordate-triangular, 14 mm long; third sepal ± asymmetrical 10-11 mm long, innermost two oblong-lanceolate, 9-10 mm long. Corolla funnel-shaped, pale pink to white, lower portion of tube purple-mauve inside; tube glabrous, ± 25 mm long, limb spreading, 5-angled, 40-60 mm wide; midpetaline areas strigose-pilose with white hairs on outside. Capsule ovoid-conical, glabrous, brown, 10-12 x 8 mm. Seeds 4, ± 4.5 mm long, shortly velutinous with 7 mm long fulvous hairs on angles. Flowering time April.
