- ≡ Ranunculus tenuicaulis Cheeseman, Trans. & Proc. New Zealand Inst. 17: 235 (1884 [1885])
- ≡ Anemone tenuicaulis (Cheeseman) Parkin & Sledge, J. Linn. Soc., Bot. 49: 647 (1935)
- ≡ Anemonidium tenuicaule (Cheeseman) Christenh. & Byng (2018)
Perennial herb (5)–15–50 cm tall, with erect or creeping rhizome. Basal lvs few, 3-foliolate; petioles with a few appressed bristles, shallowly sulcate, 2–10–(15) cm long; leaflets divided to 1/2 way into 3 entire or 3-fid segments, sessile or shortly petiolulate, sparsely bristly above, light green above, paler beneath, cuneate at base, acute at apex, 1–3 × 1–2 cm. Subfloral lvs 3-fid, cuneate. Fls nodding, 1–1.5 cm diam., solitary; peduncle 1–10–(15) cm long, with sparse appressed bristly hairs. Perianth segments 5–(7), pinkish to reddish brown, glabrous except for minute papillae above. Achenes glabrous, in erect heads.
[From: Webb et al. (1988) Flora of New Zealand. Volume 4. as Anemone tenuicaulis (Cheeseman) Parkin & Sledge]
Flowering: Nov.–Jan.–(Mar.)