Ranunculus repens

Variable glabrous or pubescent stoloniferous perennial to c. 50 cm high. Basal leaves tufted with petioles to c. 30 cm long or more; lamina c. deltoid in outline, trifoliolate, to 12 cm diam., glabrous or pilose, sometimes slightly variegated, segments variously toothed or further divided. Inflorescence a cymose panicle or a solitary flower; sepals 5, spreading, ovate; petals 5, spreading, broadly obovate to orbicular, 6–15 mm long, 5–10 mm wide, yellow, glossy; nectary lobe largely free, broad-cuneate to obovate, 1–2 mm long. Achenes usually 20–40, broadly elliptic, c. 3 mm long, minutely pitted on sides; beak c. 1 mm long, slightly curved; receptacle hispid. Flowers most of year.