Shrubs, 1–2 m. Stems erect to ascending, not rooting at nodes; branchlets reddish brown to gray, terete, ± flexible to rigid, glabrate. Leaves both fascicled and not fascicled on same plant; petiole 0–1 mm; blade folded lengthwise abaxially, narrowly oblanceolate to narrowly obovate, 3–7 × 1–3 mm, base cuneate, margins not revolute, usually entire, rarely denticulate near apex, teeth 1–4, apex obtuse, rounded, or cuspidate, abaxial surface pale green, glabrate, adaxial surface pale to yellowish green, glabrate. Inflorescences axillary or terminal, 0.7–2 cm. Flowers: sepals, petals, and nectary pale blue or pink-tinged. Capsules 3–4 mm wide, not lobed; valves smooth, horns minute or absent, intermediate ridges absent.
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