Difference between revisions of "Palafoxia arida"

B. L. Turner & M. I. Morris

Madroño 23: 79. 1975.

Synonyms: Palafoxia arida var. gigantea (M. E. Jones) B. L. Turner & M. I. Morris
Treatment appears in FNA Volume 21. Treatment on page 390. Mentioned on page 389.
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|elevation=30–1000 m
 
|elevation=30–1000 m
 
|distribution=Ariz.;Calif.;Nev.;Utah;Mexico (Baja California;Sonora).
 
|distribution=Ariz.;Calif.;Nev.;Utah;Mexico (Baja California;Sonora).
|discussion=<p>Plants of Palafoxia arida 90–150 cm with phyllaries 16–25 mm (from dunes west of Yuma, Arizona) have been treated as var. gigantea. Plants referable to P. arida have been named P. linearis (Cavanilles) Lagasca (including var. gigantea M. E. Jones) in other floras; P. linearis is a Mexican species (see B. L. Turner and M. I. Morris 1976).</p>
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|discussion=<p>Plants of <i>Palafoxia arida</i> 90–150 cm with phyllaries 16–25 mm (from dunes west of Yuma, Arizona) have been treated as <i></i>var.<i> gigantea</i>. Plants referable to <i>P. arida</i> have been named <i>P. linearis</i> (Cavanilles) Lagasca (including <i></i>var.<i> gigantea</i> M. E. Jones) in other floras; <i>P. linearis</i> is a Mexican species (see B. L. Turner and M. I. Morris 1976).</p>
 
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|publication year=1975
 
|publication year=1975
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V19-20-21/V21_981.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V21_981.xml
 
|tribe=Asteraceae tribe Heliantheae
 
|tribe=Asteraceae tribe Heliantheae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae

Revision as of 15:38, 18 September 2019

Annuals, 10–200 cm. Stems scabrous to nearly glabrous, sometimes distally stipitate-glandular. Leaf blades lance-linear to linear, 20–120 × 2–55 mm. Involucres cylindric to narrowly turbinate. Phyllaries ± equal, 10–25 × 1–2.5 mm, ± scabrous, sometimes stipitate-glandular. Ray florets 0. Disc florets 9–40; corollas ± actinomorphic, 9–13 mm, throats ± cylindric, longer than lobes. Cypselae 10–16 mm; pappus scales of inner cypselae 8–12 mm. 2n = 24.


Phenology: Flowering late winter–spring(–summer).
Habitat: Sandy soils
Elevation: 30–1000 m

Distribution

V21-981-distribution-map.gif

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

Discussion

Plants of Palafoxia arida 90–150 cm with phyllaries 16–25 mm (from dunes west of Yuma, Arizona) have been treated as var. gigantea. Plants referable to P. arida have been named P. linearis (Cavanilles) Lagasca (including var. gigantea M. E. Jones) in other floras; P. linearis is a Mexican species (see B. L. Turner and M. I. Morris 1976).

Selected References

None.

Lower Taxa

None.