Difference between revisions of "Encelia virginensis"
Bot. Gaz. 37: 272. 1904.
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
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|name=Encelia frutescens var. virginensis | |name=Encelia frutescens var. virginensis | ||
|authority=(A. Nelson) S. F. Blake | |authority=(A. Nelson) S. F. Blake | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Ecliptinae;Encelia;Encelia virginensis | |hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Ecliptinae;Encelia;Encelia virginensis | ||
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name=Encelia virginensis | name=Encelia virginensis | ||
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|authority=A. Nelson | |authority=A. Nelson | ||
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|publication title=Bot. Gaz. | |publication title=Bot. Gaz. | ||
|publication year=1904 | |publication year=1904 | ||
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| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_294.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | ||
Latest revision as of 21:11, 5 November 2020
Shrubs, 50–150 cm. Stems with slender branches from bases, hairy, developing fissured barks. Leaves cauline; petioles 2–7 mm; blades gray-green, narrowly ovate to deltate, 12–25 mm, apices acute or obtuse, faces sparsely canescent and strigose. Heads borne singly. Peduncles canescent. Involucres 9–13 mm. Phyllaries narrowly ovate. Ray florets 11–21; corolla laminae 8–15 mm. Disc corollas yellow, 5–6 mm. Cypselae 5–8 mm; pappi usually 0, rarely of 1–2 bristlelike awns. 2n = 36.
Phenology: Flowering Apr–Jun, Dec.
Habitat: Desert flats, rocky slopes, roadsides
Elevation: 500–1500 m
Distribution
Ariz., Calif., Nev., N.Mex., Utah.
Discussion
In the mountains of the eastern Mojave Desert in California, Encelia virginensis may intergrade with E. actoni at higher elevations, probably as a result of hybridization. Plants of E. virginensis in New Mexico may be adventive.
Selected References
None.