- = Ranunculus reticulatus Colenso, Trans. & Proc. New Zealand Inst. 20: 188 (1887 [1888])
Tufted perennial; rhizome stout. Stem erect, sparsely pilose, 50–80 cm tall. Basal lvs orbicular, ternatifid to 3/4 way, fleshy, glabrous to pilose, mostly 5–15 cm diam.; lobes ternatifid and bluntly toothed or crenate. Cauline lvs similar to basal but ± reniform; lobes of upper lvs narrow, entire. Fls 1–3–(7) per stem, 2.5–3.5 cm diam.; pedicels hairy. Sepals spreading, hairy. Petals 8–15, yellow, narrowly cuneate-obovate; nectary single, 1–2 mm from petal base, naked. Receptacle sparsely pilose. Achenes numerous, not flattened, glabrous or sparsely pilose; body 2.5–3 mm long; beak straight, 3–5 mm long.
[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]
Flowering: Sep.–Nov.; Fruiting: Nov.–Jan.