American Yarrow
Achillea borealis Linnaeus
American Yarrow: https://www.marylandbiodiversity.org/species/4178
Synonyms
Achillea gracilis  Achillea lanulosa  Achillea millefolium  Achillea millefolium borealis  Achillea millefolium Complex  Achillea millefolium lanulosa  Achillea millefolium millefolium  Common Yarrow  Western Yarrow 
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886 Records

Description

From the Ladybird Johnson Wildflower Center website: Yarrow grows to 3 feet tall and has no branches except near the top. The leaves are alternate, 3-5 inches long, with many leaflets on each side of the midrib (1- pinnately lobed); and these are further divided into smaller leaflets, giving them a delicate, fernlike, lacy appearance. Flower heads are arranged in large, compact clusters at the top of the stem, each cluster consisting of 1 or more flower heads. The flower head has 20-25 yellowish-white ray flowers and similarly colored disk flowers.

Where To Find

Look for American Yarrow along open roadsides and field edges across Maryland.

Citations

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Source: Wikipedia

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