Ranunculus repens L.

Perennial; roots all fibrous. Stems stoloniferous, ± slender, arising from compact rootstock, arcuately decumbent and rooting at nodes, hairy, 30–60–(100) cm long. Lvs with sparse to dense hairs, 3-foliolate, at least the middle segment stipitate; basal lvs ovate-deltoid, 2–4–(7) × 2–5–(8) cm; leaflets deltoid, 3-lobed, dentate; petioles glabrous to hairy, (2)–5–15–(25) cm long. Upper cauline lvs similar to basal; leaflets becoming linear-lanceolate, entire. Fls 1–3–(10) per stem, (15)–20–25–(30) mm diam. Pedicels erect, with appressed hairs, sulcate, 3–10–(20) cm long. Sepals 5, hairy, spreading, 6–8 mm long. Petals 5, yellow, obovate, (9)–10–12 × 7–9 mm; nectary single, 0.5 mm from petal base, covered by a broad, obtuse or emarginate scale. Receptacle hairy. Achenes 20–40, glabrous, strongly flattened, bordered, broadly obovate; body 2–3 × 2–2.5 mm; face smooth; beak hooked at tip, 1–1.5 mm long.

[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]

Flowering: Oct.–Feb.–(Sep.); Fruiting: (Oct.)–Nov.–Jan.–(Apr.)