Duchesnea Sm.

Herbs, perennial, ± matted, 0.5–3 dm, sparsely hairy; stoloniferous. Stems: number not recorded, prostrate or spreading to weakly erect, ?stolon nodes bearing single leaves or condensed shoots, consisting of paired (1–)3-lobed green bractlets and 1+ leaves, developing into new plantlets, adventitious roots, and peduncles?. Leaves often winter-persistent, basal or cauline, alternate, ternate; stipules persistent, proximally adnate to base of petiole, sheathing, broadly lanceolate to narrowly ovate, margins entire; petiole present; blade ± cordate in outline, (1–)2–7 cm, foliaceous, leaflets 3, elliptic to obovate, margins flat, ± doubly serrate or crenate, venation pinnate, surfaces sparsely pilose or strigose (at least abaxially). Inflorescences axillary ?at stolon nodes?, flowers solitary; bracts absent; bracteoles absent. Pedicels present, ?straight?. Flowers [5–]15–20 mm diam.; epicalyx bractlets 5; hypanthium cupulate, 1–3 × 2.5–5 mm; sepals 5, spreading to erect, broadly lanceolate to ovate; petals 5, yellow, narrowly obcordate to obovate, ?± equal to or shorter than sepals?; stamens 20, 25, or 30, shorter than petals, ?filaments filiform, glabrous, thecae paired on sides of narrow connective, dehiscing by broad lateral slits?; torus turbinate to hemispheric; carpels 50–100, glabrous, styles subterminal, ?filiform?; ovule 1. Fruits accessory; aggregated achenes, 50–100 or less, ?borne on enlarged torus, superficial on flesh?, obliquely ovoid, [8–]10–15(–20) mm, glabrous; ?torus reddish, compressed ovoid, [0.8–]1–1.5 cm, fleshy (not pulpy), apex rounded, glabrous?; hypanthium persistent; sepals persistent, spreading; styles tardily deciduous, ?jointed?. x = 7.