Ranunculus ophioglossifolius Vill.

Perennial, usually with appressed hairs; roots all fibrous. Stems slender, erect, (15)–30–45 cm tall. Lvs simple, shallowly serrate. Basal lvs ovate, acute, cordate at base, 2–8 × 1–3 cm; petioles erect, 5–10 cm long. Cauline lvs smaller than basal, becoming lanceolate, cuneate at base, shortly petiolate. Fls (10)–20-numerous per stem, 7–10 mm diam. Pedicels erect, sulcate, (2)–3–6 cm long. Sepals 5, with appressed hairs, weakly recurved, obtuse, 2–3.5 mm long. Petals 5, yellow, obovate-cuneate, truncate, 2.5–4.5 mm long; nectary single, c. 1 mm from petal base, covered by a broad, triangular or retuse scale. Receptacle glabrous. Achenes 25–40, glabrous, hardly flattened, bordered, ovoid, tuberculate on faces; body 1.5–2 × c. 1 mm; beak c. 0.1 mm long.

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

Flowering: Nov.–Dec.; Fruiting: Nov.–Dec.