Aphanostephus ramosissimus var. ramosissimus

Treatment appears in FNA Volume 20. Treatment on page 353.

Plants 20–45 cm. Involucres 3.2–4.8 mm. Ray florets 20–41. Cypselae (1–)1.2–1.4 mm; pappi coroniform, indurate, cupuliform, 0.2–0.6 mm, usually minutely ciliate. 2n = 8.


Phenology: Flowering (Feb–)Apr–Jul(–Sep).
Habitat: Sand and sandy loam, black loam, silt, caliche, rocky limestone soils, stream bottoms, oak-juniper openings, mesquite pastures, roadsides, fencerows, disturbed sites
Elevation: 900–2500(–4000) m

Distribution

V20-816-distribution-map.gif

N.Mex., Okla., Tex., Mexico (Chihuahua, Coahuila, Nuevo León, Tamaulipas).

Discussion

Selected References

None.

Lower Taxa

None.

Guy L. Nesom +
de Candolle in A. P. de Candolle and A. L. P. P. de Candolle +
N.Mex. +, Okla. +, Tex. +, Mexico (Chihuahua +, Coahuila +, Nuevo León +  and Tamaulipas). +
900–2500(–4000) m +
Sand and sandy loam, black loam, silt, caliche, rocky limestone soils, stream bottoms, oak-juniper openings, mesquite pastures, roadsides, fencerows, disturbed sites +
Flowering (Feb–)Apr–Jul(–Sep). +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
Illustrated +
Keerlia de +
Aphanostephus ramosissimus var. ramosissimus +
Aphanostephus ramosissimus +
variety +