Difference between revisions of "Encelia actoni"
Bot. Gaz. 39: 47. 1905.
Synonyms: Encelia frutescens var. actoni (Elmer) S. F. Blake Encelia virginensis subsp. actoni (Elmer) D. D. Keck
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|name=Encelia frutescens var. actoni | |name=Encelia frutescens var. actoni | ||
|authority=(Elmer) S. F. Blake | |authority=(Elmer) S. F. Blake | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Encelia virginensis subsp. actoni | |name=Encelia virginensis subsp. actoni | ||
|authority=(Elmer) D. D. Keck | |authority=(Elmer) D. D. Keck | ||
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Ecliptinae;Encelia;Encelia actoni | |hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Ecliptinae;Encelia;Encelia actoni | ||
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name=Encelia actoni | name=Encelia actoni | ||
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|authority=Elmer | |authority=Elmer | ||
|rank=species | |rank=species | ||
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|publication year=1905 | |publication year=1905 | ||
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | ||
Revision as of 19:35, 16 December 2019
Shrubs, 50–150 cm. Stems with slender branches from bases, hairy, developing fissured barks. Leaves cauline; petioles 6–12 mm; blades silvery green, ovate to deltate, 25–40 mm, apices acute, faces ± silvery-canescent. Heads borne singly. Peduncles canescent. Involucres 8–14 mm. Phyllaries ovate. Ray florets 14–25; corolla laminae 10–25 mm. Disc corollas yellow, 5–6 mm. Cypselae 5–7 mm; pappi usually 0, rarely of 1–2 bristlelike awns. 2n = 36.
Phenology: Flowering Feb–Jul.
Habitat: Open areas, rocky slopes, roadsides
Elevation: 800–1500 m
Distribution
Calif., Nev., Mexico (Baja California).
Discussion
The epithet actoni (sometimes spelled actonii) is from a place name (Acton, Los Angeles County, California); actoni is correct.
Selected References
None.
Lower Taxa
None.