Straggly, erect shrub to 2 m, rusty-green, rarely grey-green, densely pubescent with stellate hairs; prickles to 10 mm long, abundant on stems, petioles, peduncles and calyx, generally scattered elsewhere. Leaves oblong-ovate; lamina mostly 5–10 cm long, 2–4 cm wide, sometimes larger, concolorous, undulate to shallowly lobed; petiole 1–2 cm long. Inflorescence few–22–flowered; peduncle 1–2 cm long; rachis 3–10 cm long; pedicels 5–10 mm long. Calyx 8–13 mm long, enlarged in fruit; lobes narrowly triangular with linear apices, 5–10 mm long. Corolla rotate, 25–35 mm diam., purple. Anthers 4–5 mm long. Berry globular, 10–15 mm diam., yellow, finally hard and bony. Seeds 1.5–2 mm long, light buff to light grey-brown.
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