Erect, short-lived shrub to 1 m, green, glabrous except for minute glandular and simple hairs on young growth, and calyx and corolla apices; prickles absent. Leaves linear-lanceolate; lamina 3–10 cm long, 3–10 mm wide, concolorous, entire; petiole 5–10 mm long. Juvenile leaves oblong-lanceolate, undulate or shallowly lobed. Inflorescence short, 1–6–flowered; peduncle absent or up to 10 mm long; pedicels 10–20 mm long. Calyx 2–4 mm long; lobes triangular, 1–1.5 mm long. Corolla rotate, 20–30 mm diam., violet. Anthers 2–3 mm long. Berry conical, 15–30 mm long, green when ripe. Seeds 1.5 mm long, brown or grey-brown. Stone-cell granules 1–1.5(2) mm long.
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