Difference between revisions of "Ambrosia eriocentra"

(A. Gray) W. W. Payne

J. Arnold Arbor. 45: 423. 1964.

IllustratedEndemic
Basionym: Franseria eriocentra A. Gray Proc. Amer. Acad. Arts 7: 355. 1868
Treatment appears in FNA Volume 21. Treatment on page 13. Mentioned on page 10, 11.
FNA>Volume Importer
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|place=45: 423. 1964
 
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|code=F
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|label=Illustrated
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}}{{Treatment/ID/Special_status
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|label=Endemic
 
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|publication title=J. Arnold Arbor.
 
|publication title=J. Arnold Arbor.
 
|publication year=1964
 
|publication year=1964
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|special status=Illustrated;Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V21_9.xml
+
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V21_9.xml
 
|tribe=Asteraceae tribe Heliantheae
 
|tribe=Asteraceae tribe Heliantheae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae

Revision as of 21:03, 27 May 2020

Shrubs, 30–80(–120+) cm. Stems erect. Leaves mostly alternate; petioles 0–2 mm; blades (± white abaxially) elliptic, lance-linear, or rhombic, 10–40(–60) × 5–15(–40) mm, bases ± cuneate, margins irregularly toothed to ± laciniate, abaxial faces densely strigillose, adaxial faces tomentulose and pilosulous. Pistillate heads clustered, proximal to staminates; florets 1. Staminate heads: peduncles 0–0.5 mm; involucres saucer-shaped to shallowly cup-shaped, 4–8+ mm diam., tomentulose and/or pilose; florets 12–25+. Burs: bodies obconic to fusiform, 3–5+ mm, densely villous and stipitate-glandular, spines 12–20+, scattered or mostly distal, ± subulate, 3–4 mm, tips straight. 2n = 36.


Phenology: Flowering Apr–May(–Jul).
Habitat: Sandy and gravelly washes
Elevation: 700–1700 m

Distribution

V21-9-distribution-map.gif

Ariz., Calif., Nev., Utah.

Discussion

Selected References

None.

Lower Taxa

None.