UW Burke Herbarium species comparison

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Wyethia ×cusickii

Wyethia angustifolia

narrowleaf mule's ears, narrowleaf wyethia
Habit Tap-rooted, leafy-stemmed perennial, the stems stout but lax, 2-9 dm. tall, the herbage covered with short, stiff, blunt hairs.
Leaves

Leaves mostly entire, the basal ones enlarged, with narrow, elongate blades, 1.5-5 dm. long and 2.5-10 cm. wide, tapering at both ends;

cauline leaves smaller and variable.
Flowers

Heads usually solitary;

involucral bracts lance-linear, in several series, herbaceous, with conspicuous hairs on the margins;

rays 13-21, chrome-yellow, pistillate and fertile, 1.5-3.5 cm. long;

disk flowers light yellow, perfect and fertile;

receptacle broadly convex, chaffy throughout, the bracts clasping the achenes;

pappus of petal-like appendages.
Fruits

Achenes compressed-quadrangular

Wyethia ×cusickii

Wyethia angustifolia
Flowering time May-July
Habitat Meadows and moist, open hillsides at low elevations.
Distribution
[BONAP county map]
Occurring west of the Cascades crest in southwestern Washington, and east in the Columbia River Gorge; Washington to California.
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Sensitive in Washington (WANHP)
Sibling taxa
W. amplexicaulis, W. angustifolia
W. amplexicaulis
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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