Dicotyledon
Literature for Achillea millefolium
Wagner et al., 1990, 1999.
Asteraceae
-- The Sunflower Family
Bibliography
Achillea millefolium
Common name(s): yarrow, common yarrow, milfoil
General Information
Distribution
Native to circumboreal temperate regions.In the Hawaiian Islands, naturalized on Hawai`i.
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium var. borealis
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium var. borealis
Asteraceae
Achillea millefolium var. occidentalis
Asteraceae
Achillea millefolium
Asteraceae
Achillea millefolium
Habit
Rhizomatous perennial herbs 2-5(-10) dm tall.
Leaves
Leaves lanceolate to linear, blades 3-15 cm long, 0.5-2.5 cm wide, only the lowermost petiolate.
Flowers
Involucre 3.5-5 mm high, 2-4 mm in diameter; ray florets usually 3-5 per head, rays white to pink, 2-3 mm long; disk florets 10-20 per head.
Chromosomes
2n = 18, 34, 36, 45, 54, 58, 72, 116