Ipomoea uninervis

Description. Perennial undershrub; stems erect, to 1.2 m, sparingly branched, grey-puberulent to subsericeous. Leaves subsessile, 4 - 12 x 0.1 - 0.5 cm, linear to narrowly oblong, obtuse, shortly mucronate, both surfaces grey-puberulent to subsericeous, abaxaially paler with a single prominent longitudinal vein; petioles 0 - 3 mm, tomentellous. Inflorescence of few-flowered cymes from the upper leaf-axils, forming a terminal, usually elongate inflorescence up to 15 cm in length; bracts formed of reduced leaves, caducous so inflorescence appearing naked; peduncles 1 - 4 mm, grey-tomentellous; bracteoles 1.5 mm, linear, tomentellous, caducous; pedicels 3 - 7 mm, grey-tomentellous; sepals subequal, 7.5 - 8 x 3 - 4 mm, broadly oblong, obtuse to rounded, grey-tomentose, the inner with broad glabrous, scarious margins; corolla 4.5 cm long, pink, pubescent, funnel-shaped; limb c. 4 cm diameter; filaments unequal, shorter 7 - 10 mm, longer 12 - 20 mm, glabrous except for basal hairs; anthers 3.5 mm, narrow; ovary bilocular, conical, glabrous; style 15 - 22 mm, glabrous; stigma bilobed. Capsule and seeds not seen.