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Common Yarrow

Achillea millefolium

Common Yarrow, Achillea millefolium, photo © by Mike Plagens

Observed in the ponderosa forest of Upper East Verde watershead just below the Mogollon Rim, Gila Co., Arizona, USA. August 2010. Taking nectar is a spring azure, Celastrina argiolus.

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FLOWERS: Small flower heads composed of white disc and white ray florets. The small heads are further arranged into dense, flat-topped, terminal panicles.

LEAVES: Leaves are dark green and finely dissected; pinnately or bipinnately.

PERENNIAL: Usually from clusters of stems from a root system that can survive several seasons. Most mature, flowering plants are less than one meter in height.

RANGE: Very common throughout Arizona's woodland habitats growing in open sunny places.

FRUIT: The seeds are are winged along the margins but lack an apicle pappus.

UNARMED. No prickles.

Asteraceae -- Sunflower Family

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Arizona Naturalist
Arizona's Ponderosa Woodlands
The Flora of Arizona's Ponderosa Woodlands


Copyright Michael J. Plagens, 1999-2010