L., Sp. Pl. 899 (1753).
Synonymy: Not Applicable
Common name: Yarrow, milfoil.
Perennial herb to 60 cm high, stoloniferous; stems erect, unbranched above the base, terete, striate, pubescent; basal leaves not forming a rosette, oblanceolate to narrowly elliptic, bipinnatisect, 5-15 mm long, 8-25 mm wide, pubescent; rhachis c. 1 mm wide, entire; ultimate lobes spreading in more than one plane; cauline leaves similar, 2-10 cm long, decreasing in length up the stem.
Capitula in dense compound corymbs with naked branches, 4-6 mm diam.; involucres 4-5 mm long; bracts ovate, rigid, pale-greenish, pubescent, often with a dark margin; ray florets c. 5; ligules minutely 3-toothed, c. 2.5 mm long, c. 3 mm wide, white to pink.
Achenes glabrous, to 3 mm long.
Ross-Craig (1961) Drawings Brit. Pl. 16:t. 1.
On roadsides and waste land in moist habitats.
S.Aust.: EP, NL, MU, SL, SE. W.Aust.; N.S.W.; Vic.; Tas. native to Europe.
Flowering time: Nov. — April.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
A. distans Waldst. & Kit. ex Willd. is similar to A. millefolium but has leaves with broader lobes all in one plane and winged, toothed rhachises 1-2 mm wide; it may occur as a garden escape.
Not yet available