Senecio integerrimus var. major

(A. Gray) Cronquist

Aliso 4: 100. 1958.

Basionym: Senecio eurycephalus var. major A. Gray in War Department [U.S.], Pacif. Railr. Rep. 4(5): 111. 1857
Synonyms: Senecio lugens var. megacephalus Jepson Senecio mendocinensis A. Gray Senecio whippleanus A. Gray
Treatment appears in FNA Volume 20. Treatment on page 557. Mentioned on page 556.

Herbage usually copiously arachnose, tomentose, or villous at flowering. Leaves: basal and proximal cauline distinctly petiolate; blades (cauline) usually lanceolate to oblanceolate. Heads 6–12(–30+). Phyllaries linear-subulate, 8–12 mm, tips usually green, minutely, if at all, black. Ray florets usually 5; corollas yellow, laminae mostly 5–8 mm.

Phenology: Flowering spring.
Habitat: Openings in coniferous woodlands and woodland-sagebrush associations
Elevation: 100–3600 m


Variety major is most frequent in the Sierra Nevada, especially on the western slope; eastward, it passes into var. exaltatus.

Selected References


Lower Taxa

Theodore M. Barkley† +
(A. Gray) Cronquist +
Senecio eurycephalus var. major +
Calif. +, Nev. +  and Oreg. +
100–3600 m +
Openings in coniferous woodlands and woodland-sagebrush associations +
Flowering spring. +
Senecio lugens var. megacephalus +, Senecio mendocinensis +  and Senecio whippleanus +
Senecio integerrimus var. major +
Senecio integerrimus +
variety +