Asteraceae
Daisy Family
Achillea millefolium L.
- Stem: perennial; 2’ to 3’ tall; unbranched; hairy.
- Leaves: alternate; highly pinnately divided into narrow segments; 5” by 1”; hairy.
- Inflorescence: corymbiform cluster of many heads.
- Heads: 1/8” in diameter; about five small white rays per head; flowers from early June to mid-July.
- Flowers: flat, oval, 1/16” by 1/64”; fruiting begins in early July.
- Habitat: from dry to moist prairie; also in pastures, on roadsides, and in other open places.
- Notes: A mutant with rose-colored rays is sometimes observed in the field and is available commercially. Apparently, yarrow is only native to the extreme southeastern counties in Iowa.
- Bibliography from Biodiversity Heritage Library
- Vascular Plants of Iowa
Can be found in these counties:
