Stems 5–30 dm. Branches never becoming thorn-tipped; twigs sericeous-strigose, trichomes appressed, loosely appressed, and/or minute and branched, glabrescent. Leaves: blade usually elliptic, lanceolate, oblong, ovate, or falcate, rarely linear, 10–38 × 2–10 mm, herbaceous to coriaceous, base cuneate to rounded, margins plane or slightly to strongly revolute, not touching midvein, apex obtuse, acute, or slightly attenuate, abaxial surface visible, sericeous-strigose, trichomes often coarse, 0.2–0.6 mm, sometimes also with understory of minute, branched trichomes, adaxial surface glabrous or sparsely to moderately sericeous-strigose, trichomes ± appressed, 0.2–0.6 mm, and/or hispidulous, trichomes erect, 0.1–0.2 mm; midvein 0.2–0.3 mm wide, raised. Pedicels 1–25 mm, glabrous or sparsely sericeous-strigose, trichomes ± appressed, and/or with minute, branched hairs. Flowers: hypanthium and calyx tube 2–3 mm; sepals erect or reflexed, narrowly to broadly triangular, 4–8.5 × 1.5–4 mm, sparsely to moderately sericeous-strigose and/or with minute, branched trichomes abaxially; petals white or tinged pink or red, 8–15 × 5–14 mm, claw 3–4 mm, blade usually ovate or ovate-rhombic, rarely oblanceolate, obovate, or oval, margins erose; filaments 3–8 × 1–2.5 mm; anthers 2–3.5 mm; styles 4.5–6 mm. Capsules ovoid to ellipsoid, 7–15 × 5–8 mm. Seeds 5–8 mm.
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