Calycoseris wrightii

A. Gray

Smithsonian Contr. Knowl. 5(6): 104, plate 14. 1853.

Common names: White tack-stem
Illustrated
Treatment appears in FNA Volume 19. Treatment on page 308. Mentioned on page 307.

Stems, distal branches, and phyllaries gland-dotted, glands straw-colored. Involucres 10–15 mm. Ligules white, often with fine reddish veins abaxially, 2–3 cm. Cypselae dark tan to brown, shallowly grooved between ribs, faces weakly crossrugulose. 2n = 14.


Phenology: Flowering Mar–Jun.
Habitat: Gravels derived from limestone, volcanics, granites, and caliche soils on plains, rocky mesas and slopes, stream bottoms, desert pavement and washes, Upper Sonoran and Lower Sonoran zones, Colorado and Mohave deserts, often in creosote or mesquite associations
Elevation: 100–1600 m

Distribution

V19-458-distribution-map.gif

Ariz., Calif., Nev., N.Mex., Tex., Utah, Mexico (Baja California), Mexico (Sonora)

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Calycoseris wrightii"
scarious +
ovate +  and lanceolate +
paniculiform +  and corymbiform +
indeterminate +  and determinate +
L. D. Gottlieb +
A. Gray +
decurrent +
compound +  and simple +
tuberculate +, rugose +, muricate +  and smooth +
filiform +
0.8 cm8 mm <br />0.008 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
White tack-stem +
zygomorphic +, actinomorphic +  and (3-)5-merous +
yellow +  and white +
dark tan +  and brown +
Ariz. +, Calif. +, Nev. +, N.Mex. +, Tex. +, Utah +, Mexico (Baja California) +  and Mexico (Sonora) +
100–1600 m +
crossrugulose +
winged +  and beaked +
dispersed +
straw-colored +
flat-topped +
Gravels derived from limestone, volcanics,Gravels derived from limestone, volcanics, granites, and caliche soils on plains, rocky mesas and slopes, stream bottoms, desert pavement and washes, Upper Sonoran and Lower Sonoran zones, Colorado and Mohave deserts, often in creosote or mesquite associationsoften in creosote or mesquite associations +
in open , cymiform arrays +  and singly +
indeterminate +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
campanulate +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
cauline +  and basal +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
divided +, lobed +  and dentate +
2-carpellate +
not inflated +
Flowering Mar–Jun. +
connate +  and distinct +
12 +  and 20 +
subequal +  and unequal +
Smithsonian Contr. Knowl. +
flat;convex +
exalbuminous +
Illustrated +
ascending +  and erect +
1 +  and 3 +
appendaged +  and truncate +
papillate +
Undefined tribe Lactuceae +
Calycoseris wrightii +
Calycoseris +
species +
5 cm50 mm <br />0.05 m <br /> (30 cm300 mm <br />0.3 m <br />) +
shrub +  and subshrub +