Amphipappus fremontii

Torrey & A. Gray

Boston J. Nat. Hist. 5: 108. 1845.

Common names: Fremont’s chaffbush
IllustratedEndemic
Treatment appears in FNA Volume 20. Treatment on page 186.
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Leaves 3–11 mm. cypselae (ray) 3 mm

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Young twigs, peduncles, and leaves glabrous Amphipappus fremontii var. fremontii
1 Young twigs, peduncles, and leaves densely, hirtellous Amphipappus fremontii var. spinosus
... more about "Amphipappus fremontii"
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Guy L. Nesom +
Torrey & A. Gray +
decurrent +
obovate;narrowly elliptic +
rugulose +  and muricate +
hirtellous +, densely +  and glabrous +
Fremont’s chaffbush +
not 2-lipped +  and actinomorphic +
beaked +, 2-ribbed +  and 5-ribbed +
flattened +, oblongelliptic +  and obovoid +
fertile +  and bisexual +
Ariz. +, Calif. +, Nev. +  and Utah +
resinous +
villous +, glabrous +  and hirtellous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.4 cm4 mm <br />0.004 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
turbino-cylindric +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
petiolate +  and subsessile +
0.3 cm3 mm <br />0.003 m <br /> (?) +  and 1.1 cm11 mm <br />0.011 m <br /> (?) +
lanceolate +  and coiling +
not scarious +
2-carpellate +
persistent +
greenish white +
ovate +  and elliptic +
Boston J. Nat. Hist. +
bearing subulate enations +, hairy +  and bristly +
concave;usually flat;conic +
exalbuminous +
Illustrated +  and Endemic +
spinescent +, leafless +  and branched +
appendaged +  and truncate +
papillate +  and smooth +
Compositae +
Amphipappus fremontii +
Amphipappus +
species +
perennial +, biennial +  and annual +