Sprawling, clonal, perennial herb with usually annual stems to 35 cm long, green; prickles to 14 mm long, abundant on all parts. Leaves elliptic; lamina 4–12 cm long, 1–5 cm wide, concolorous, deeply lobed, hispid with simple, often glandular hairs, and minute glandular hairs; lobes oblong to triangular, toothed or shallowly lobed; petiole 15–45 mm long. Inflorescence 4–8–flowered; peduncle to 30 mm long; rachis 10–20 mm long; pedicels 5–13 mm long. Calyx 6–13 mm long, enlarged in fruit; tube almost obscured by prickles; lobes narrowly triangular, 2–5 mm long. Corolla broadly stellate to subrotate, 15–30 mm diam., pale blue or white. Anthers 4–6 mm long. Berry globular or depressed globular, 15–20 mm diam., bright green, drying almost black; fruiting calyx 15–20 mm diam. Seeds 2.5 mm long, dark grey.
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