Acamptopappus shockleyi

A. Gray

Proc. Amer. Acad. Arts 17: 208. 1882. 1882

Common names: Shockley’s goldenhead
Endemic
Treatment appears in FNA Volume 20. Treatment on page 185.

Leaf faces densely, hirtellous. Heads borne singly. Involucres campanulate to hemispheric, 7–10 mm wide. Rays 5–14.2n = 18.


Phenology: Flowering Apr–Jun.
Habitat: Mesas, ridges, slopes, ravines, washes, in various shrub associations, commonly with Larrea, Yucca, Ambrosia, Artemisia, Ephedra, Atriplex
Elevation: 500–1700(–2000) m

Discussion

Selected References

None.

Lower Taxa

None.

"[" is not declared as a valid unit of measurement for this property.

... more about "Acamptopappus shockleyi"
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Guy L. Nesom +
A. Gray +
decurrent +
Haplopappus sect. Acamptopappus +
spatulate;obovate;lanceolate +
rugulose +  and muricate +
barbellulate +  and barbellate +
Shockley’s goldenhead +
not 2-lipped +  and actinomorphic +
beaked +, 2-ribbed +  and 5-ribbed +
compressed +  and obconic +
fertile +  and bisexual +
fertile +  and bisexual +
Calif. +  and Nev. +
500–1700(–2000) m +
densely sericeous +  and villous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Mesas, ridges, slopes, ravines, washes, in various shrub associations, commonly with Larrea, Yucca, Ambrosia, Artemisia, Ephedra, Atriplex +
discoid +  and radiate +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
campanulate;hemispheric +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
sessile +  and petiolate +
lanceolate +
lacerate +
2-carpellate +
barbellulate +  and smooth +
persistent +
apically attenuate +  and spatulate +
subequal +
Flowering Apr–Jun. +
broadly ovate +  and elliptic-ovate +
Proc. Amer. Acad. Arts +
bearing subulate enations +, hairy +  and bristly +
flat;slightly convex +
setiform +
exalbuminous +
spinescent +  and branched +
triangular-lanceolate +
appendaged +  and truncate +
papillate +  and smooth +
Compositae +
Acamptopappus shockleyi +
Acamptopappus +
species +
perennial +, biennial +  and annual +