Difference between revisions of "Palafoxia arida"
Madroño 23: 79. 1975.
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|name=Palafoxia arida var. gigantea | |name=Palafoxia arida var. gigantea | ||
|authority=(M. E. Jones) B. L. Turner & M. I. Morris | |authority=(M. E. Jones) B. L. Turner & M. I. Morris | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Chaenactidinae;Palafoxia;Palafoxia arida | |hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Chaenactidinae;Palafoxia;Palafoxia arida | ||
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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 <i>Palafoxia arida</i> 90–150 cm with phyllaries 16–25 mm (from dunes west of Yuma, Arizona) have been treated as < | + | |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> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Palafoxia arida | name=Palafoxia arida | ||
| − | |||
|authority=B. L. Turner & M. I. Morris | |authority=B. L. Turner & M. I. Morris | ||
|rank=species | |rank=species | ||
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|habitat=Sandy soils | |habitat=Sandy soils | ||
|illustrator=Bee F. Gunn | |illustrator=Bee F. Gunn | ||
| + | |illustration copyright=Flora of North America Association | ||
|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). | ||
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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/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/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 19:40, 16 December 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
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.