Slender climber, up to 1 m tall, with fibrous roots, stems up to 1 mm thick. Leaves ± elliptic, 10-20 x 2-5 mm, grey-green, minutely pubescent to glabrescent. Flowers 2-9, opening together in lax, often sessile clusters along stem, pedicels < 5 mm long. Corolla campanulate, 5-7 mm diam., whitish outside, inside pinkish to whitish, glabrous, except for 5 hairy patches in tube, lobes spreading, ± 2 mm long.
Like A. zeyheri but often more densely pubescent and corolla tube up to as long as broad.