Short-lived perennial shrub to 1 m, green, pubescent with stellate and simple glandular hairs; prickles to 10 mm long, abundant on all parts except corolla. Leaves ovate-elliptic, the lamina mostly 8-13 cm long, 5-9 cm wide, concolorous, lobed; lobes angular, obtusely lobed; petiole 2-5 cm long. Inflorescence 4-10-flowered; upper flowers sometimes male; peduncle to 4 cm long; rachis to 3 cm long; pedicels 15-20 mm long. Calyx 7-12 mm long; lobes lanceolate-acuminate, 5-8 mm long. Corolla deeply campanulate, 15-20 mm long, lavender-purple. Anthers 5 mm long. Berry subglobular to obovoid, 20-25 mm diam., pale green-yellow, drying brown to black. Seeds 2-2.5 mm long, black.
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