Dieteria canescens (Pursh) Nuttall (Q2158)
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Dieteria canescens is a taxon with the rank species within the genus Dieteria
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Dieteria canescens (Pursh) Nuttall
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Dieteria canescens is a taxon with the rank species within the genus Dieteria
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Statements
taxon/id/Dieteria canescens (Pursh) Nuttall
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Dieteria canescens (Pursh) Nuttall
Dieteria canescens
(Pursh) Nuttall
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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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-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, branches, and peduncles glabrous, puberulent, or canescent, sometimes also stipitate-glandular or gland-dotted.
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Leaf-blades linear-lanceolate to linear or linear-oblanceolate (ovate to obovate in var. leucanthemifolia), mid 10–60 × 1.5–6 (–8) mm, margins entire to irregularly dentate or serrate, faces glabrous, puberulent, or canescent, sometimes sparsely stipitate-glandular;
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distal bases not clasping or slightly clasping (clasping in var. leucanthemifolia).
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Involucres campanulate or turbinate.
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Phyllaries in 3–10 series, appressed, spreading, or reflexed, indurate bases usually glabrous, apices acute to acuminate, 1–3 mm, herbaceous, faces glabrous (indurate bases, sometimes foliaceous parts) or hairy (only foliaceous parts), sometimes stipitate-glandular.
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Receptacles 2.5–5 mm diam.
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Ray-florets pistillate and fertile, or sterile or 0 (in var. shastensis);
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laminae white, blue, or purple, 6–12 × 1–3 mm.
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Disc-florets: corollas 4–6 (–7) mm.
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Cypselae glabrous or moderately appressed-hairy.
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linear-lanceolate
linear or linear-oblanceolate
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stipitate-glandular
sometimes sparsely
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stipitate-glandular
sometimes
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