Senecio integerrimus var. major

(A. Gray) Cronquist

Aliso 4: 100. 1958.

Endemic
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

Discussion

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

Selected References

None.

Lower Taxa

None.
not tailed +, rounded +  and obtuse +
papillate +
scarious +
usually ovate +  and lance-linear +
indeterminate +  and determinate +
Theodore M. Barkley† +
(A. Gray) Cronquist +
less tapered or truncate +  and cordate +
Senecio eurycephalus var. major +
6 cm60 mm <br />0.06 m <br /> (25 cm250 mm <br />0.25 m <br />) +
usually lanceolate;oblanceolate +
1cm;6cm +
winged;nerved;ribbed +
linear;filiform +
barbellulate +  and smooth +
white +  and stramineous +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
hirtellous +  and glabrous +
angled +, 5-ribbed +, prismatic +  and cylindric +
fertile +  and bisexual +
fertile +  and bisexual +
Calif. +, Nev. +  and Oreg. +
100–3600 m +
hairy +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Openings in coniferous woodlands and woodland-sagebrush associations +
discoid +  and radiate +
indeterminate +
heterogamous +  and homogamous +
villous +, tomentose +  and arachnose +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
turbinate;campanulate +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
cauline +, proximal +  and basal +
reduced +
erect;recurved +
deltate +
dentate +  and entire +
2-carpellate +
persistent +
Flowering spring. +
1.2 cm12 mm <br />0.012 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
linear-subulate +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
exalbuminous +
appendaged +  and truncate +
papillate +
Senecio lugens var. megacephalus +, Senecio mendocinensis +  and Senecio whippleanus +
Senecio integerrimus var. major +
Senecio integerrimus +
variety +
campanulate +
black +  and green +
denticulate +  and serrate or toothed +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
20 cm200 mm <br />0.2 m <br /> (70 cm700 mm <br />0.7 m <br />) +
shrub +  and subshrub +