Senecio integerrimus var. ochroleucus

(A. Gray) Cronquist

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

Endemic
Basionym: Senecio lugens var. ochroleucus A. Gray in A. Gray et al., Syn. Fl. N. Amer. 1(2): 388. 1884
Synonyms: Senecio cordatus Nuttall Senecio exaltatus subsp. ochraceus Piper Senecio leibergii Greene Senecio ochraceus (Piper) Piper
Treatment appears in FNA Volume 20. Treatment on page 557. Mentioned on page 556.

Herbage arachnose, tomentose, or villous, unevenly glabrescent, at flowering. Leaves: basal and proximal cauline distinctly petiolate; blades (cauline) usually ovate to rounded-deltate, sometimes obovate to oblanceolate. Heads (3–) 8–12 (–40+). Phyllaries ± linear, 7–10 mm, tips green or minutely black. Ray-florets usually 5; corollas white or ochroleucous, laminae (5–) 10–15 (–20) mm.


Phenology: Flowering spring.
Habitat: Moist openings in coniferous woodlands
Elevation: 600–1700 m

Distribution

V20-1232-distribution-map.gif

Alta., B.C., Calif., Idaho, Mont., Oreg., Wash.

Discussion

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 lugens var. ochroleucus +
6 cm60 mm <br />0.06 m <br /> (25 cm250 mm <br />0.25 m <br />) +
obovate;oblanceolate +
1cm;6cm +
winged;nerved;ribbed +
linear;filiform +
barbellulate +  and smooth +
white +  and stramineous +
ochroleucous +  and white +
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 +
Alta. +, B.C. +, Calif. +, Idaho +, Mont. +, Oreg. +  and Wash. +
600–1700 m +
hairy +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Moist openings in coniferous woodlands +
discoid +  and radiate +
indeterminate +
heterogamous +  and homogamous +
glabrescent +, 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 +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 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 />) +
mostly oblong +  and lanceolate or linear +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Leafl. W. Bot. +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
exalbuminous +
appendaged +  and truncate +
papillate +
Senecio cordatus +, Senecio exaltatus subsp. ochraceus +, Senecio leibergii +  and Senecio ochraceus +
Senecio integerrimus var. ochroleucus +
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 +