Senecio fremontii var. occidentalis

A. Gray in W. H. Brewer et al.

in W. H. Brewer et al., Bot. California 1: 618. 1876.

Endemic
Synonyms: Senecio occidentalis (A. Gray) Greene
Treatment appears in FNA Volume 20. Treatment on page 564.

Plants mostly 1–2 dm. Stems arching upward. Leaves (smaller and fewer distally) usually smaller than 4 × 2 cm, bases not clasping, margins toothed or subentire. Heads 2–4 (–5). Phyllaries (± 8) ± 13, 5–7 (–8) mm.


Phenology: Flowering summer.
Habitat: Rocky alpine and subalpine sites
Elevation: 2800–4000 m

Discussion

Plants of var. occidentalis grow in the southern Cascade Mountains and the Sierra Nevada.

Selected References

None.

Lower Taxa

None.
not tailed +, rounded +  and obtuse +
papillate +
truncate-penicillate +
scarious +
usually ovate +  and lance-linear +
racemiform +, paniculiform +, corymbiform +  and cymiform +
indeterminate +  and determinate +
Theodore M. Barkley† +
A. Gray in W. H. Brewer et al. +
less truncate +  and tapered +
5 cm50 mm <br />0.05 m <br /> (7 cm70 mm <br />0.07 m <br />) +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
obovate;oblanceolate +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
winged;nerved;ribbed +
usually lance-deltate;linear +
barbellulate +  and smooth +
white +  and stramineous +
purplish +, reddish +, white +, ochroleucous +, yellow +  and white rarely reddish +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
strigose-hirtellous +  and glabrous +
angled +, 5-ribbed +, prismatic +  and cylindric +
fertile +  and bisexual +
fertile +  and bisexual +
Calif. +  and Nev. +
2800–4000 m +
hairy +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Rocky alpine and subalpine sites +
discoid +  and radiate +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
turbinate;campanulate +
distributed +
4 cm40 mm <br />0.04 m <br /> (?) +
cauline +  and basal +
smaller +
2 cm20 mm <br />0.02 m <br /> (?) +
erect;recurved +
deltate +
dentate to pinnatifid +  and entire +
subentire +  and toothed +
2-carpellate +
persistent +
Flowering summer. +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
mostly oblong +  and lanceolate or linear +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
in W. H. Brewer et al., Bot. California +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
exalbuminous +
appendaged +  and truncate +
papillate +
Senecio occidentalis +
Senecio fremontii var. occidentalis +
Senecio fremontii +
variety +
campanulate +
brownish +  and green +
denticulate +  and serrate or toothed +
30 cm300 mm <br />0.3 m <br /> (40 cm400 mm <br />0.4 m <br />) +
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
100 cm1,000 mm <br />1 m <br /> (250 cm2,500 mm <br />2.5 m <br />) +