Difference between revisions of "Euthamia occidentalis"
Trans. Amer. Philos. Soc., n. s. 7: 326. 1840.
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|name=Euthamia californica | |name=Euthamia californica | ||
|authority=Gandoger | |authority=Gandoger | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Euthamia linearifolia | |name=Euthamia linearifolia | ||
|authority=Gandoger | |authority=Gandoger | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Solidago occidentalis | |name=Solidago occidentalis | ||
|authority=(Nuttall) Torrey & A. Gray | |authority=(Nuttall) Torrey & A. Gray | ||
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}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Euthamia;Euthamia occidentalis | |hierarchy=Asteraceae;Asteraceae tribe Astereae;Euthamia;Euthamia occidentalis | ||
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name=Euthamia occidentalis | name=Euthamia occidentalis | ||
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|authority=Nuttall | |authority=Nuttall | ||
|rank=species | |rank=species | ||
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|publication year=1840 | |publication year=1840 | ||
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|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Euthamia | |genus=Euthamia | ||
Latest revision as of 20:01, 5 November 2020
Perennials or subshrubs, 40–200 cm. Stems (erect, stout) glabrous, glaucous. Leaves spreading-ascending to erect; blades 3- or -5-nerved, linear, 82–100 × 4.3–10 mm, lengths 10–27 times widths, gradually to abruptly reduced distally, herbaceous to firm-herbaceous, margins scabrous, apices abruptly acute to acuminate, faces ± gland-dotted (18–56 dots per mm²), adaxial and vein axils often sparsely hairy. Heads mostly pedunculate, in relatively narrow, elongate arrays 33–60% of plant heights (often interrupted and with multiple levels). Involucres campanulate, 3.7–4.9 mm. Phyllaries stramineous, sometimes green-tipped, outer narrowly lanceolate, inner linear (firm), apices acute to acuminate. Ray florets (15–)17–22(–28). Disc florets (7–)9–11(–18); corollas 3.1–4.2 mm. 2n = 18.
Phenology: Flowering Jul–Nov.
Habitat: Moist to wet soils of streambeds, lake shores, and fresh to saline marshes
Elevation: 0–1600 m
Distribution
B.C., Ariz., Calif., Colo., Idaho, Mont., Nebr., Nev., N.Mex., Oreg., Utah, Wash., Wyo., Mexico (Baja California).
Discussion
Selected References
None.