Distribution: Occurring east of the Cascades crest in Washington; Washington to Nevada, east to the Rocky Mountains.
Habitat: Seasonally moist areas in sagebrush-steppe, to open areas at moderate elevations.
Growth Duration: Perennial
Conservation Status: Not of concern
Tap-rooted, glabrous, leafy-stemmed perennial, the stems stout but lax, 3-8 dm. tall, resinous throughout.
Leaves firm, mostly entire, the basal ones enlarged, the blades elliptic or lance-elliptic, 2-6 dm. long and 5-16 cm. wide, tapering to a short petiole, the cauline leaves smaller, sessile, becoming ovate or lance-ovate and clasping.
Heads usually several, the central one larger; involucral bracts broad and herbaceous, in several series, often surpassing the disk; rays 13-21 in the terminal head, chrome-yellow, pistillate and fertile, 2.5-5 cm. long; disk flowers numerous, light yellow, perfect and fertile; receptacle broadly convex, chaffy throughout, the bracts clasping the achenes; pappus of petal-like appendages.
PNW Herbaria: Specimen records of Wyethia amplexicaulis in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Wyethia amplexicaulis checklist entry.
OregonFlora: Wyethia amplexicaulis information.
E-Flora BC: Wyethia amplexicaulis atlas page.
CalPhotos: Wyethia amplexicaulis photos.
USDA Plants: Wyethia amplexicaulis information.