Distribution: Chiefly east of the Cascades: Western and Mid-western United States and adjacent Canada
Habitat: Meadows and other moist places, low to moderate elevations in the mountains
Flowers: July - September
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Perennial from rhizomes and tuberous roots, erect, 6-20 dm. tall, the stem glabrous below the inflorescence.
Leaves scabrous, lanceolate to lance-linear, with short petioles, 8-16 cm. long and 6-30 mm. wide, entire and flat.
Heads several, the disk 12-23 mm. wide, yellow; involucral bracts lance-linear, pointed, loose, the marginal hairs inconspicuous; receptacle chaffy throughout; pappus of 2 readily deciduous awns.
Achenes clasped by the inner involucral bracts.
Publication: Fl. N. Amer. 2: 324. 1842.
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ssp. nuttallii – cordilleran sunflower, Nuttall's sunflower
Chiefly east of the Cascades: Western and Mid-western United States and adjacent Canada
PNW Herbaria: Specimen records of Helianthus nuttallii in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Helianthus nuttallii checklist entry.
OregonFlora: Helianthus nuttallii information.
E-Flora BC: Helianthus nuttallii atlas page.
CalPhotos: Helianthus nuttallii photos.
USDA Plants: Helianthus nuttallii information.
