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Leaf lamina elliptic to broadly ovate, ovate-lanceolate or subrhomboid, 3–13·5 × 2–11 cm., entire or repand, acute or rounded and mucronulate at the apex, cuneate to subcordate at the base, dull green drying brownish and sparsely stellate-hairy to glabrescent above, matted with white stellate tomentum beneath; petiole varying considerably in length, up to 7·5 cm. long, densely stellate-hairy as are peduncels, pedicels and calyx.
Inflorescences axillary, often forming a leafy panicle at the tops of stems; peduncle 0·7 cm. long, erect to patent, subumbellately 1 to few-flowered; pedicels up to 1·5 cm. long; bracts elliptic to ovate, up to 12 × 7 mm., midrib prominent.
Stems up to 2 m. long, several, erect or prostrate, more or less densely stellately tomentose, glabrescent, arising from a woody rootstock.
Sepals lanceolate to circular, up to 10–8 mm., acute or obtuse at the apex, tomentose outside, glabrescent inside, midrib prominent.
Seed ovoid, compressed, blackish-brown minutely velvety-pulverulent with a tuft of fawn hairs around the hilum.
Corolla funnel-shaped with a narrow tube, 2·5–5·5 cm., mauve or purple, glabrous or nearly so.
Habit of the last (Astripomoea lachnosperma), 2-3 ft. high
An extremely variable subshrub-like perennial herb.
Red-purple flowers 11/2-2 in. long.
Capsule subglobose, glabrous.
Hoary-stellate-tomentose