Aphanostephus pilosus

Buckley

Proc. Acad. Nat. Sci. Philadelphia 13: 457. 1862.

Common names: Hairy lazydaisy
Endemic
Treatment appears in FNA Volume 20. Treatment on page 353. Mentioned on page 352.

Annuals 6–30 cm; vestiture sparsely hispido-pilose, stem hairs spreading at right angles, straight, 0.6–2.4 mm, thick-based. Phyllary apices long-acuminate. Ray-florets 13–21. Disc-floret corollas: base not swollen and indurate. Cypselae: hairs apically straight; pappi coroniform, ciliate, 0.2–0.7 mm. 2n = 8.


Phenology: Flowering May–Jul.
Habitat: Sand or sandy clay, open scrub oak woodlands, mesquite savannas, fields, disturbed sites, roadsides
Elevation: 30–200 m

Discussion

Aphanostephus pilosus is recognized by its reduced habit, distinct vestiture, small heads, and long-acuminate phyllary apices.

Selected References

None.

Lower Taxa

None.
... more about "Aphanostephus pilosus"
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
Guy L. Nesom +
Buckley +
not swollen +
indurate +
broadly oblanceolate;linear-lanceolate +
rugulose +  and muricate +
barbellulate +  and barbellate +
Hairy lazydaisy +
not 2-lipped +  and actinomorphic +
yellow +  and white +
subterete +, 4-angled +  and angular-columnar +
fertile +  and bisexual +
fertile +  and bisexual +
Okla. +  and Tex. +
30–200 m +
glabrous +, strigose +, hirsute +  and hispid +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Sand or sandy clay, open scrub oak woodlands, mesquite savannas, fields, disturbed sites, roadsides +
straight +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
depressed-hemispheric +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
petiolate +  and sessile +
cauline +  and basal +
deltate +
dentate to pinnatifid +  and entire +
pinnatifid +  and entire +
2-carpellate +
persistent +
coroniform +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
Flowering May–Jul. +
ovatelanceolate +
unequal +  and subequal +
long-acuminate +
Proc. Acad. Nat. Sci. Philadelphia +
bearing subulate enations +, hairy +  and bristly +
setiform +
exalbuminous +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.24 cm2.4 mm <br />0.0024 m <br />) +
deflexed +, erect +  and decumbent or ascending +
appendaged +  and truncate +
papillate +  and smooth +
Keerlia de +
Aphanostephus pilosus +
Aphanostephus +
species +
tubular +
hispido-pilose +
6 cm60 mm <br />0.06 m <br /> (30 cm300 mm <br />0.3 m <br />) +
tree +, shrub +  and subshrub +