Difference between revisions of "Centrostegia thurberi"
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 14: 27. 1856.
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|name=Centrostegia thurberi var. macrotheca | |name=Centrostegia thurberi var. macrotheca | ||
|authority=(J. T. Howell) Goodman | |authority=(J. T. Howell) Goodman | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Chorizanthe thurberi | |name=Chorizanthe thurberi | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Chorizanthe thurberi var. macrotheca | |name=Chorizanthe thurberi var. macrotheca | ||
|authority=J. T. Howell | |authority=J. T. Howell | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Centrostegia;Centrostegia thurberi | |hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Centrostegia;Centrostegia thurberi | ||
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|elevation=300-2400 m | |elevation=300-2400 m | ||
|distribution=Ariz.;Calif.;Nev.;Utah;Mexico (Baja California;Sonora). | |distribution=Ariz.;Calif.;Nev.;Utah;Mexico (Baja California;Sonora). | ||
| − | |discussion=<p><i>Centrostegia thurberi</i> is fairly consistent morphologically throughout its range except for individuals in some populations in the mountains of the southern Coast Ranges that tend to have slightly longer and more robust involucres. The name < | + | |discussion=<p><i>Centrostegia thurberi</i> is fairly consistent morphologically throughout its range except for individuals in some populations in the mountains of the southern Coast Ranges that tend to have slightly longer and more robust involucres. The name <i></i>var.<i> macrotheca</i> is available for such plants.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Centrostegia thurberi | name=Centrostegia thurberi | ||
| − | |||
|authority=A. Gray in A. P. de Candolle and A. L. P. P. de Candolle | |authority=A. Gray in A. P. de Candolle and A. L. P. P. de Candolle | ||
|rank=species | |rank=species | ||
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|publication year=1856 | |publication year=1856 | ||
|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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_994.xml |
|subfamily=Polygonaceae subfam. Eriogonoideae | |subfamily=Polygonaceae subfam. Eriogonoideae | ||
|genus=Centrostegia | |genus=Centrostegia | ||
Revision as of 21:58, 16 December 2019
Illustrator:
Copyright:
Plants 0.3–2(–3) × (0.6–)1–4(–5) dm. Leaf blades (0.5–)1–3.5(–4) × 0.3–0.8(–1) cm. Inflorescences: bracts mostly spreading, (1–)2–6(–10) mm; awns 1–2 mm. Involucres (2–)3–6(–8) mm; basal spurs with awns 0.2–2 mm; teeth flattened and keeled distally, awn erect, short, 0.3–1 mm. Flowers: perianth 2–3(–3.5) mm; tepals oblanceolate; filaments 1–3 mm; anthers 0.4–0.5 mm. Achenes 2–2.5 mm. 2n = 38.
Phenology: Flowering Mar–Jul.
Habitat: Sandy to gravelly flats and slopes, mixed grassland, saltbush, creosote bush, and chaparral communities, pine-oak and montane conifer woodlands
Elevation: 300-2400 m
Distribution
Ariz., Calif., Nev., Utah, Mexico (Baja California, Sonora).
Discussion
Centrostegia thurberi is fairly consistent morphologically throughout its range except for individuals in some populations in the mountains of the southern Coast Ranges that tend to have slightly longer and more robust involucres. The name var. macrotheca is available for such plants.
Selected References
None.