- = Ranunculus aucklandicus A.Gray, U.S. Explor. Exped., Phan. 8 (1854)
- = Ranunculus hectorii Kirk, Stud. Fl. New Zealand 16 (1899)
- = Ranunculus subantarcticus subsp. campbellensis F.J.F.Fisher & Hair, New Zealand J. Bot. 1: 334 (1963)
- = Ranunculus subantarcticus F.J.F.Fisher & Hair, New Zealand J. Bot. 1: 332 (1963)
Tufted perennial; rhizome 0; stem up to 30 cm tall at fruiting, with appressed hairs. Basal lvs long-petiolate, ternate or ternatifid, triangular-ovate, 1–4 cm diam., with appressed hairs; leaflets and lobes again 3-lobed, toothed. Cauline lvs similar to basal, opposite, smaller. Fls 1–3 per stem, 15–20 mm diam.; pedicels elongating at fruiting, with short appressed hairs. Sepals spreading, with appressed hairs. Petals 5, brownish yellow, narrowly obovate, with sparse appressed hairs on back; nectary single, c. 2 mm from petal base, covered by a small rounded scale. Receptacle hairy. Achenes very numerous, flattened, usually with a few appressed hairs on angles; body 2–2.5 mm long; beak straight, tapering, flattened, c. 1 mm long.
[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]
Flowering: Dec.–Jan.; Fruiting: Jan.