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Genus Achillea Family Asteraceae

Description: Perennial herbs with rhizomes.

Leaves basal and cauline, entire to 2-pinnatisect, alternate, numerous.

Inflorescence terminal, heads in branched corymbs.

Heads usually small, numerous in radiate; heads campanulate; involucral bracts herbaceous with scarious margins, few-seriate, the outer ± shorter than the inner; receptacle convex with oblong membranous scales. Ray florets female, ligulate, ligules ± 3-toothed, spreading or rarely short and erect; ray achenes ± flattened, smooth; pappus absent. Disc florets tubular, bisexual, fertile, white, yellow or pink, corolla funnel-shaped; anthers shortly tailed at the base with ovate apical appendages; style branches linear, truncate, with papillose apices; disc achenes similar to ray achenes.


Distribution and occurrence: World: c. 85 species, Europe & Asia. Australia: 3 species (naturalized), Qld, N.S.W., Vic., N.T.

Text by D. W. Hardin
Taxon concept:

 Key to the species 
1Rachis winged and usually with small teeth or lobes between primary pinnaeAchillea distans
Rachis not winged or toothed between primary pinnae2
2Ray florets whitish, pink or mauve; leaves 2-pinnatisect with more than 15 pairs of leafletsAchillea millefolium
Ray florets golden; leaves 2- or 3-pinnatisect with 10–15 pairs of leaflets
                       Back to 1
Achillea filipendulina

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