Sneezeweed (Achillea ptarmica)

Common Names: Sneezewort, pearly yarrow

Description:

Habit:

Leaves: Alternate, lance-linear, 1-4 in. long, less than 0.25 in. wide, hairless except along midrib on underside, finely toothed around edges, stalkless.

Stems: Mostly erect, usually branched, hairy on upper stems, smooth below.

Flowers: Flattish, branching clusters, few to several flowers at the ends of branching stems in upper plant. 1/3 - 2/3 in. across, 7-15 ray flowers, white in color, notched at the tips, pale gray-brown center disk flowers

Fruit and seeds: Flower heads become seed heads that are 0.25 in. in diameter. Seeds are dry and 2 mm. long.

Habitat: Native to Eurasia. Can be found growing in disturbed sandy or gravelly soil, roadsides, railroads, fields, waste areas and gardens.

Reproduction: Vegetatively by spreading rhizomes.

Similar species: Common yarrow (Achillea millefolium)

Credits: The information provided in this factsheet was gathered from Minnesota Wildflowers.

Individual species images that appear with a number in a black box are courtesy of the Bugwood.org network (http://www.invasive.org).Individual photo author credits may not be included due to the small display size of the images and subsequent difficulty of reading the provided text. All other images appear courtesy of Google (http://images.google.com).

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