Ericameria nauseosa (Pallas ex Pursh) G. L. Nesom & G. I. Baird (Q2170)
Ericameria nauseosa is a taxon with the rank species within the genus Ericameria
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Ericameria nauseosa (Pallas ex Pursh) G. L. Nesom & G. I. Baird
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Ericameria nauseosa is a taxon with the rank species within the genus Ericameria
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Statements
taxon/id/Ericameria nauseosa (Pallas ex Pursh) G.L. Nesom & G.I. Baird
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Ericameria nauseosa (Pallas ex Pursh) G.L. Nesom & G.I. Baird
Ericameria nauseosa
(Pallas ex Pursh) G.L. Nesom & G.I. Baird
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 20: Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford University Press, New York.
accepted
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(Pallas ex Pursh) G.L. Nesom & G.I. Baird
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CA-AB
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CA-BC
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CA-SK
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US-AZ
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US-CA
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US-CO
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US-ID
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US-KS
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US-MT
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US-ND
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US-NM
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US-NE
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US-NV
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US-OK
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US-OR
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US-SD
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US-TX
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US-UT
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US-WA
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US-WY
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Stems erect or ascending to spreading, white to green, fastigiately branched, tomentose.
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Leaves (usually crowded) usually ascending to spreading;
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blades filiform to narrowly oblanceolate (mostly adaxially sulcate to concave), 10–70 × 0.3–10 mm, midnerves mostly evident, apices acute, faces glabrous or tomentose, often gland-dotted (lacking well-defined circular pits);
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axillary fascicles absent.
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Heads in rounded to flat-topped, cymiform arrays (to 12 cm wide).
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Peduncles 1–20 mm (bracts usually 0, sometimes 1–5, reduced, scalelike).
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Involucres obconic to subcylindric, 6–16 × 2–4 mm.
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Phyllaries 10–31 in 3–5 series (often in vertical ranks), tan, ovate to lanceolate, 1.5–14 × 0.7–1.5 mm, strongly unequal, mostly chartaceous (mostly keeled), midnerves raised for nearly entire lengths, expanded apically, apices acute to obtuse, abaxial faces resinous.
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Disc-florets (4–) 5 (–6);
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corollas 6–12 mm.
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Cypselae tan, turbinate to cylindric or oblanceoloid, 3–8 mm, glabrous or hairy (often ± pilose or sericeous);
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pappi whitish, 3–13 mm. 2n = 18.
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filiform
narrowly oblanceolate
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turbinate
cylindric or oblanceoloid
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