[Members of the Sunflower Family East of the Cascade Mountains of Oregon and Washington with Flower Heads Similar to Daisies or Sunflowers]

Wild Sunflowers Found East of the Cascade Mountains of Oregon and Washington

The Genus Helianthus

Flower head of Common Sunflower: Helianthus annuus (Synonym: Helianthus annuus ssp. lenticularis)

Common Sunflower : Helianthus annuus

Common Sunflower: Helianthus annuus (Synonyms: Helianthus annuus ssp. annuus, Helianthus annuus ssp. lenticularis) - Annual. Herbage harshly pubescent. Broad triangular leaf blades with slightly toothed margins. Leaf is a dull dark green. One single, stout stem bears several flower heads of numerous yellow ray flowers and a reddish brown central disk. 1-10 feet tall.

Texas Blueweed: Helianthus ciliaris -

Cusick's Sunflower, Turniproot Sunflower: Helianthus cusickii - Perennial. Herbage harshly pubescent. Prostrate to erect plant, with many stems. Flower heads "sunflower-like" with both yellow ray and discoid flowers. Leaves linear or lanceolate. To three feet tall.

Sawtooth Sunflower: Helianthus grosseserratus -

Nuttall's Sunflower, Cordilleran Sunflower: Helianthus nuttallii ssp. nuttallii (Synonym: Helianthus nuttallii var. nuttallii) - Perennial. Herbage glabrous and glaucous. Leaves opposite, narrowly lanceolate to lance-oblong with acuminate tips. Flower heads "sunflower-like" with yellow rays and disk flowers.

Prairie Sunflower: Helianthus petiolaris ssp. petiolaris (Synonyms: Helianthus petiolaris, Helianthus petiolaris var. petiolaris) - Collected in Gilliam and Sherman Counties in north-central Oregon, and near Silver Lake, OR.

Jerusalum Artichoke: Helianthus tuberosus - Escaped garden plant. Forms edible tubers. Garden escapees occasionally become established in the wild around old homesteads.


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