Subshrubs to suffrutescent herbs, perennial, often ± matted, 0.2–3 dm, sparsely to moderately strigose to pilose; stoloniferous and rhizomatous (caudex diffusely branched). Stems 1–10+, ascending to erect, ?reddish?. Leaves persistent, basal and proximally cauline [or evenly cauline], alternate, ternate; stipules persistent, basally adnate to petiole, sheathing, ovate, margins entire; petiole present; blade ± obovate [or broadly cordate] in outline, (0.5–)1–3(–4) cm, leathery, leaflets 3, oblanceolate to narrowly oblong, margins nearly flat to ± revolute, shallowly 3(–5)-toothed apically, venation pinnate, abaxial surface sparsely to moderately strigose to pilose, adaxial glabrous or sparsely strigose or pilose, rarely densely so. Inflorescences terminal, [1–]3–20-flowered, cymose, flat-topped; bracts present, reduced [or leafy]; bracteoles absent. Pedicels present, ?± straight?. Flowers 10–20[–30] mm diam.; epicalyx bractlets 5; hypanthium patelliform, 0.5–1.5[–2] × 3–5 mm, villous; sepals 5, spreading, broadly ovate; petals 5, white, sometimes pink-tinged [or yellow], elliptic-obovate [to orbiculate], ?longer than sepals?; stamens 20(–30), shorter than petals, ?filaments filiform, not flattened, glabrous, anthers with theca horseshoe-shaped, rimming narrow to broad connective, dehiscing by a continuous, narrow, marginal slit?; torus ± hemispheric; carpels 20–50, hairy, styles attached proximal to middle of achene to sub-basal, ?filiform?; ovule 1. Fruits aggregated achenes, individually deciduous, obliquely ovoid, 1.2–1.5 mm, villous; hypanthium persistent; sepals persistent, erect; styles tardily deciduous, ?jointed?. x = 7.