Senecio eremophilus var. kingii

Greenman

Ann. Missouri Bot. Gard. 2: 598. 1915.

Endemic
Basionym: Senecio kingii Rydberg Bull. Torrey Bot. Club 37: 468. 1910,
Synonyms: Senecio ambrosioides Rydberg
Treatment appears in FNA Volume 20. Treatment on page 565. Mentioned on page 566.

Heads 20–60. Calyculi: bractlets conspicuous (lengths of at least some to 1/2 phyllaries). Involucres (5–) 6–8 mm diam. Phyllaries 5–6 mm, tips black. Ray corolla laminae 5–8 mm.


Phenology: Flowering summer–early fall.
Habitat: Damp and drying habitats in conifer dominated areas, especially road cuts and other disturbed sites
Elevation: 2700–3700 m

Distribution

V20-1265-distribution-map.gif

Ariz., Colo., N.Mex., Utah, Wyo.

Discussion

Variety kingii hybridizes with S. spartioides (R. I. Ediger 1970).

Selected References

None.

Lower Taxa

None.
44 +, 40 +  and 38 +
not tailed +, rounded +  and obtuse +
papillate +
truncate-penicillate +
scarious +
usually ovate +  and lance-linear +
corymbiform +  and compound +
indeterminate +  and determinate +
Theodore M. Barkley† +
Greenman +
tapered +
Senecio kingii +
12 cm120 mm <br />0.12 m <br /> (20 cm200 mm <br />0.2 m <br />) +
5 cm50 mm <br />0.05 m <br /> (7 cm70 mm <br />0.07 m <br />) +
6 cm60 mm <br />0.06 m <br /> (12 cm120 mm <br />0.12 m <br />) +
lanceolate;narrowly lanceolate +
1.5 cm15 mm <br />0.015 m <br /> (5 cm50 mm <br />0.05 m <br />) +
winged;nerved;ribbed +
barbellulate +  and smooth +
white +  and stramineous +
purplish +, reddish +, white +, ochroleucous +, yellow +  and white rarely reddish +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
hirtellous +  and glabrous +
angled +, 5-ribbed +, prismatic +  and cylindric +
fertile +  and bisexual +
fertile +  and bisexual +
Ariz. +, Colo. +, N.Mex. +, Utah +  and Wyo. +
2700–3700 m +
hairy +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Damp and drying habitats in conifer dominated areas, especially road cuts and other disturbed sites +
discoid +  and radiate +
indeterminate +
heterogamous +  and homogamous +
glabrate +  and glabrous +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
turbinate;campanulate +
sessile +  and petiolate +
distributed +
cauline +  and basal +
erect;recurved +
deltate +
usually pinnate +  and lacerate +
2-carpellate +
persistent +
Flowering summer–early fall. +
mostly oblong +  and lanceolate or linear +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Ann. Missouri Bot. Gard. +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
exalbuminous +
appendaged +  and truncate +
papillate +
Senecio ambrosioides +
Senecio eremophilus var. kingii +
Senecio eremophilus +
variety +
campanulate +
denticulate +  and serrate or toothed +
80 cm800 mm <br />0.8 m <br /> (140 cm1,400 mm <br />1.4 m <br />) +
40 cm400 mm <br />0.4 m <br /> (80 cm800 mm <br />0.8 m <br />) +
100 cm1,000 mm <br />1 m <br /> (250 cm2,500 mm <br />2.5 m <br />) +
shrub +  and subshrub +