Classification
Class
Magnoliopsida Brongn.
Order
Ranunculales Juss. ex Bercht. & J.Presl
Family
Ranunculaceae
Genus
Anemonastrum Holub
 Nomenclature
Scientific Name:
Anemonastrum tenuicaule (Cheeseman) de Lange & Mosyakin, PhytoKeys 99: 115-116 (2018)
Synonymy:
  • ≡ 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)
Lectotype (designated by Allan 1961: NEW ZEALAND. South Island, Mountains above Arthur’s Pass, Canterbury Alps. AK4232
 Description

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]

 Biostatus
Indigenous (Endemic)
 Phenology

Flowering: Nov.–Jan.–(Mar.)

 Bibliography
Cheeseman, T.F. 1885: New species of plants. Transactions and Proceedings of the New Zealand Institute 17: 235–236.
de Lange, P.J.; Norton, D.A.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Hitchmough, R.; Townsend, A.J. 2009: Threatened and uncommon plants of New Zealand (2008 revision). New Zealand Journal of Botany 47: 61–96. [as Anemone tenuicaulis (Cheeseman) Parkin & Sledge] [Naturally uncommon]
de Lange, P.J.; Norton, D.A.; Heenan, P.B.; Courtney, S.P.; Molloy, B.P.J.; Ogle, C.C.; Rance, B.D. 2004: Threatened and uncommon plants of New Zealand. New Zealand Journal of Botany 42(1): 45–76. [as Anemone tenuicaulis (Cheeseman) Parkin & Sledge]
de Lange, P.J.; Rolfe, J.R.; Barkla J.W.; Courtney, S.P.; Champion, P.D.; Perrie, L.R.; Beadel, S.N.; Ford, K.A.; Breitwieser, I.; Schönberger, I.; Hindmarsh-Walls, R.; Heenan, P.B.; Ladley, K. 2018: Conservation status of New Zealand indigenous vascular plants, 2017. New Zealand Threat Classification Series. No. 22. [as Anemone tenuicaulis (Cheeseman) Parkin & Sledge] [Not Threatened]
de Lange, P.J.; Rolfe, J.R.; Champion, P.D.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Norton, D.A.; Hitchmough, R.A. 2013: Conservation status of New Zealand indigenous vascular plants, 2012. New Zealand Threat Classification Series 3. Department of Conservation, Wellington. [as Anemone tenuicaulis (Cheeseman) Parkin & Sledge] [Naturally Uncommon]
Mosyakin, S.L.; de Lange, P.J. 2018: Anemonastrum tenuicaule and A. antucense (Ranunculaceae), new combinations for a New Zealand endemic species and its South American relative. PhytoKeys 99: 107–124.
Parkin, J.; Sledge, W. A. 1935: An Anemone from New Zealand; a Plant hitherto regarded as a Species of Ranunculus. Journal of the Linnean Society. Botany 49: 645–651.