Anisocoma acaulis

Torrey & A. Gray

Boston J. Nat. Hist. 5: 111, plate 13, figs. 7–11. 1845.

Common names: Scalebud
Illustrated
Treatment appears in FNA Volume 19. Treatment on page 310. Mentioned on page 308.

Leaves: blades 2–7 cm, lobes oblong to triangular, abaxially ± floccose-tomentose, glabrate in age. Heads 3–5+ cm diam., nodding in bud. Paleae 7-–13 mm, persistent after cypselae have fallen. Involucres broadly cylindric to campanulate, 15–35 mm. Phyllaries often with reddish tips and dots, outer broadly rounded, 2–6 mm, inner 15–35 mm. Cypselae 4–7 mm; pappi 20–27 mm. 2n = 14.


Phenology: Flowering Mar–May.
Habitat: Sandy washes, dry slopes, chaparral, pine-oak-juniper woodlands, montane coniferous forests
Elevation: 20–2400 m

Distribution

V19-462-distribution-map.gif

Ariz., Calif., Nev., Mexico (Baja California)

Discussion

Anisocoma acaulis grows on the southwestern fringe of the Great Basin and in the Mojave and Sonoran deserts.

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Anisocoma acaulis"
scarious +
ovate +  and lanceolate +
paniculiform +  and corymbiform +
indeterminate +  and determinate +
David J. Keil +
Torrey & A. Gray +
decurrent +
10-15-nerved +
appressed-puberulent +
compound +  and simple +
oblanceolate +
2 cm20 mm <br />0.02 m <br /> (7 cm70 mm <br />0.07 m <br />) +
tuberculate +, rugose +, muricate +  and smooth +
filiform +
Scalebud +
zygomorphic +, actinomorphic +  and (3-)5-merous +
cream +  and bright-yellow +
cylindric +
Ariz. +, Calif. +, Nev. +  and Mexico (Baja California) +
20–2400 m +
winged +  and beaked +
dispersed +
Sandy washes, dry slopes, chaparral, pine-oak-juniper woodlands, montane coniferous forests +
indeterminate +
3 cm30 mm <br />0.03 m <br /> (?) +  and 5 cm50 mm <br />0.05 m <br /> (?) +
each +  and sessile +
1.5 cm15 mm <br />0.015 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (2 cm20 mm <br />0.02 m <br />) +
broadly cylindric;campanulate +
1.5 cm15 mm <br />0.015 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
subbasal +  and basal +
glabrate +  and floccose-tomentose +
oblong +  and triangular +
papery-transparent +
denticulate +  and lobed +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
2-carpellate +
persistent +
0.7 cm7 mm <br />0.007 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
2 cm20 mm <br />0.02 m <br /> (2.7 cm27 mm <br />0.027 m <br />) +
Flowering Mar–May. +
connate +  and distinct +
15 +  and 25 +
Boston J. Nat. Hist. +
bearing subulate enations +, hairy +  and bristly +
flat;weakly convex +
exalbuminous +
Illustrated +
ascending +  and erect +
1 +  and 25 +
appendaged +  and truncate +
papillate +
Undefined tribe Lactuceae +
Anisocoma acaulis +
Anisocoma +
species +
5 cm50 mm <br />0.05 m <br /> (25 cm250 mm <br />0.25 m <br />) +
shrub +  and subshrub +