common yarrow, milfoil
[Achillea angustissima Rydb., more...]
Etymology: Achillea: named for Achilles, who supposedly used plants of the genus to staunch the wounds of his soldiers at the siege of Troy
Plants: erect, perennial, 8"-40" tall, aromatic forb
Leaves: finely-feathery cut, lance-shaped in outline, upper stalkless
Flowers: head just under a 1/4" wide with 4-6 (usually 5) short, white to pinkish rays each with 3 teeth, disks white; inflorescence with many heads in a round, flat, dense cluster (corymb-like); blooms July-Oct.
Fruits: seed not on fluffy pappus
Habitat: sun; moderate moisture to wet; fields, roadsides, disturbed sites
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 1, Wetland Indicator = FACU Atlas of the Wisconsin Prairie and Savanna Flora: by T.S. Cochrane & H.H. Iltis: habitat, distribution infomation / flowering and fruiting times USDA Plants Database: Federal Distribution and detailed information including photos USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions Illinois Wildflowers: Wonderful photographs; detailed descriptions; color and leaf arrangement key Purple Sage - Ethnobotanical Information: Detailed usage, preparation, and other helpful information Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"