Ranunculus bulbosus L.

Perennial; roots all fibrous, arising from a short, swollen, bulb-like rootstock. Stems ± slender, erect, (15)–20–30–(60) cm long, with appressed hairs. Lvs sparsely to densely hairy, 3-foliolate, the middle leaflet stipitate. Basal and lower cauline lvs ovate-deltoid, 3–7–(10) × 2–6–(8) cm; leaflets obovate-cuneate, 3-lobed, dentate; petioles sparsely covered in appressed hairs, (4)–8–25 cm long. Upper cauline lvs similar, becoming sessile; leaflets linear-lobed. Fls numerous per stem, 20–30 mm diam. Pedicels erect, with appressed hairs, sulcate, (2)–4–10 cm long. Sepals 5, hairy, deflexed, 6–8 mm long. Petals 5, yellow, obovate, 8–12 × 6–8 mm; nectary single, basal, covered by a broad obtuse scale. Receptacle hairy. Achenes 20–40, in globose heads, glabrous, strongly flattened, bordered, obovate; body 2.5–3 × c. 2 mm; face smooth; beak curved, c. 0.5 mm long.

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

Flowering: Oct.–Dec.–(May); Fruiting: Oct.–Dec.–(May)