Senecio integerrimus var. exaltatus

(Nuttall) Cronquist

Leafl. W. Bot. 6: 48. 1950.

Basionym: Senecio exaltatus Nuttall Trans. Amer. Philos. Soc., n. s. 7: 410. 1841
Synonyms: Senecio dispar A. Nelson Senecio hookeri Torrey & A. Gray Senecio integerrimus var. vaseyi (Greenman) Cronquist Senecio lugens var. exaltatus (Nuttall) D. C. Eaton Senecio perplexus A. Nelson Senecio vaseyi Greenman
Treatment appears in FNA Volume 20. Treatment on page 557. Mentioned on page 556.

Herbage copiously to sparsely arachnose, tomentose, or villous at flowering. Leaves: basal and proximal cauline usually indistinctly petiolate; blades (cauline) mostly elliptic to lanceolate or oblanceolate, sometimes rounded-deltate or suborbiculate. Heads 6–15(–30+). Phyllaries ± lanceolate, (4–)5–10 mm, tips black. Ray florets usually ± 5, sometimes 0; corollas yellow, laminae 6–15 mm.

Phenology: Flowering spring.
Habitat: Open woodlands, sagebrush plains, meadow grasslands from foothills to above timberline
Elevation: 500–3200 m



Alta., B.C., Sask., Calif., Colo., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.


Variety exaltatus is the most widespread and variable variety of the species. Eradiate plants of var. exaltatus have been recognized as var. vaseyi; there appears to be no populational integrity to the eradiate condition.

Selected References


Lower Taxa

Theodore M. Barkley† +
(Nuttall) Cronquist +
Senecio exaltatus +
Alta. +, B.C. +, Sask. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, Oreg. +, Utah +, Wash. +  and Wyo. +
500–3200 m +
Open woodlands, sagebrush plains, meadow grasslands from foothills to above timberline +
Flowering spring. +
Leafl. W. Bot. +
Illustrated +  and Endemic +
Senecio dispar +, Senecio hookeri +, Senecio integerrimus var. vaseyi +, Senecio lugens var. exaltatus +, Senecio perplexus +  and Senecio vaseyi +
Senecio integerrimus var. exaltatus +
Senecio integerrimus +
variety +