Senecio sphaerocephalus

Greene

Pittonia 3: 106. 1896.

Endemic
Synonyms: Senecio altus Rydberg Senecio latus Rydberg Senecio lugens var. hookeri D. C. Eaton
Treatment appears in FNA Volume 20. Treatment on page 555. Mentioned on page 547, 558.

Perennials, (30–) 40–80 cm (rhizomes stout). Herbage tomentose, unevenly glabrescent. Stems single. Leaves reduced distally; petiolate; blades oblanceolate to elliptic, 4–12× 1–4 cm, bases tapered, margins weakly dentate or denticulate (denticles callous; mid leaves similar, smaller; distal leaves bractlike). Heads (3–) 5–24 in corymbiform arrays. Calyculi of 1–5 bractlets (longest 2–3 mm). Phyllaries (± 13) ± 21, 3–7 mm, tips black or brownish. Ray-florets ± 13; corolla laminae 6–10 mm. Cypselae usually hairy, sometimes glabrous. 2n = 40.


Phenology: Flowering spring–early summer.
Habitat: Open meadows, especially in coniferous associations
Elevation: 1000–1800 m

Distribution

V20-1228-distribution-map.gif

Idaho, Mont., Nev., Oreg., Utah, Wyo.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Senecio sphaerocephalus"
not tailed +, rounded +  and obtuse +
papillate +
scarious +
usually ovate +  and lance-linear +
indeterminate +  and determinate +
Theodore M. Barkley† +
Greene +
tapered +
4 cm40 mm <br />0.04 m <br /> (12 cm120 mm <br />0.12 m <br />) +
oblanceolate;elliptic +
1cm;4cm +
winged;nerved;ribbed +
barbellulate +  and smooth +
white +  and stramineous +
purplish +, reddish +, white +, ochroleucous +, yellow +  and white rarely reddish +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
glabrous +  and hairy +
angled +, 5-ribbed +, prismatic +  and cylindric +
fertile +  and bisexual +
fertile +  and bisexual +
Idaho +, Mont. +, Nev. +, Oreg. +, Utah +  and Wyo. +
1000–1800 m +
hairy +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Open meadows, especially in coniferous associations +
discoid +  and radiate +
indeterminate +
heterogamous +  and homogamous +
glabrescent +  and tomentose +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
turbinate;campanulate +
cauline +  and basal +
reduced +
erect;recurved +
deltate +
dentate to pinnatifid +  and entire +
denticulate +  and dentate +
2-carpellate +
persistent +
Flowering spring–early summer. +
mostly oblong +  and lanceolate or linear +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
exalbuminous +
appendaged +  and truncate +
papillate +
Senecio altus +, Senecio latus +  and Senecio lugens var. hookeri +
Senecio sphaerocephalus +
species +
campanulate +
brownish +  and black +
denticulate +  and serrate or toothed +
30 cm300 mm <br />0.3 m <br /> (40 cm400 mm <br />0.4 m <br />) +
40 cm400 mm <br />0.4 m <br /> (80 cm800 mm <br />0.8 m <br />) +
shrub +  and subshrub +