Shrubs, 1–2 m. Stems erect, not rooting at nodes; branchlets grayish brown, glaucous, rigid, puberulent. Leaves not fascicled; petiole 1–3 mm; blade flat or ± cupped, widely elliptic to widely obovate, 11–30 × 7–18 mm, base obtuse to rounded, margins not revolute, usually denticulate, rarely entire, teeth 6–13, apex rounded, abaxial surface pale green, sparsely strigillose between veins, adaxial surface dark green, glabrate. Inflorescences terminal, 1.2–1.5(–2) cm. Flowers: sepals and petals white; nectary dark blue to purple. Capsules 7–9 mm wide, weakly lobed; valves ± smooth, horns subapical, prominent, erect, intermediate ridges absent. 2n = 24.
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