UW Burke Herbarium species comparison

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Tanacetum parthenium

featherfew, feverfew
Habit Highly aromatic, branching perennial, 2-8 dm. tall, covered with fine, white-woolly hairs.
Leaves

Leaves yellow-green, once or twice pinnate, the segments broad.
Flowers

Heads in few-flowered umbels at the ends of the branches; disk 10-25 mm. wide;

ray flowers white, occasionally wanting, 4-10 mm. long and nearly as wide;

disk flowers numerous, yellow.

Tanacetum parthenium
Flowering time June-November
Habitat Roadsides, fields, wastelots, and other distrubed areas at low elevations.
Distribution
Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to Nevada, east to the Rocky Mountains.
[WildflowerSearch map]
[BONAP county map]
Origin Introduced from Europe
Conservation status Not of concern
Sibling taxa
T. balsamita, T. bipinnatum, T. vulgare
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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