Shrubs, evergreen or semideciduous, 1–2 m. Stems ascending to erect, not rooting at nodes; branchlets green or gray-green, not thorn-tipped, round in cross section, flexible or rigid, glabrous or glabrate. Leaves: not fascicled; petiole 3–8 mm; blade ± cupped, elliptic, oblong, or oblong-ovate, 13–30 × 9–15 mm, base cuneate to obtuse, margins entire, apex acute to rounded, abaxial surface pale green, glabrous, adaxial surface green, dull to ± shiny, glabrous; usually pinnately veined, rarely 3-veined. Inflorescences terminal or axillary, paniclelike, 7.5–22 cm. Flowers: sepals, petals, and nectary usually white, rarely pale blue. Capsules 4.5–7 mm wide, lobed; valves smooth, viscid, crested.
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