Classification
 Subordinate Taxa
 Nomenclature
Scientific Name:
Tanacetum L., Sp. Pl. 843-845 (1753)
Synonymy:
  • = Pyrethrum Zinn
 Description

Annual or perennial herbs, often rhizomatous. Lvs simple, entire to 1–3-pinnatisect, alternate. Capitula in corymbs, or rarely solitary, terminal, usually pedunculate; involucral bracts in 3–4 rows, often with membranous margins. Receptacle flat; scales 0 or few. Outer florets usually ♀ (sometimes all florets ☿), ligulate or ligule much reduced, yellow, white or pink; inner florets usually ☿ and tubular, transformed into ligulate florets in double forms. Achenes all similar, cylindric or clavate, sometimes with many small glands but otherwise glabrous, 3–10-ribbed; pappus a small toothed or lobed corona.

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

 Biostatus
Exotic
Number of species in New Zealand within Tanacetum L.
CategoryNumber
Exotic: Fully Naturalised2
Total2
 Bibliography
Linnaeus, C. 1753: Species Plantarum. Impensis Laurentii Salvii, Stockholm.
Mabberley, D.J. 2008: Mabberley's plant book, a portable dictionary of plants, their classification and uses. Edition 3. Cambridge University Press.