Carduus nutans Linnaeus (Q2985)
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Carduus nutans is a taxon with the rank species within the genus Carduus
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Carduus nutans Linnaeus
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Carduus nutans is a taxon with the rank species within the genus Carduus
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Statements
taxon/id/Carduus nutans Linnaeus
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Carduus nutans Linnaeus
Carduus nutans
Linnaeus
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 19: Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York.
accepted
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CA-AB
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CA-BC
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CA-MB
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CA-NB
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CA-NL
Nfld. and Labr. (Nfld.)
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CA-NS
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CA-ON
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CA-QC
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CA-SK
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US-AL
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US-AZ
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US-AR
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US-CA
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US-CO
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US-DC
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US-GA
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US-ID
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US-IL
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US-IN
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US-IA
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US-KS
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US-KY
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US-LA
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US-MD
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US-MS
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US-MO
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US-MT
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US-NE
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US-NV
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US-NJ
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US-NM
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US-NY
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US-NC
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US-ND
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US-OH
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US-OK
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US-OR
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US-PA
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US-SC
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US-SD
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US-TN
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US-TX
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US-UT
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US-VA
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US-WA
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US-WV
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US-WI
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US-WY
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Stems glabrous to tomentose;
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teeth of wings to 10 mm, wing spines 2–10 mm.
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Leaves: basal tapering to winged petioles, blades 10–40 cm, margins 1–2×-pinnately lobed;
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cauline sessile, shorter, margins less divided, glabrous or ± hairy.
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Heads borne singly or in corymbiform arrays, sometimes a few axillary, at least terminal head usually conspicuously pedunculate, often nodding, 20–40 mm.
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Peduncles 2–30 cm, unwinged distally or throughout, finely tomentose.
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Involucres hemispheric, 20–60 mm × 20–70 mm.
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Phyllaries lanceolate to ovate, outer and middle with appressed bases 2–4 mm wide and spreading to reflexed, appendages 2–7 mm wide, proximally glabrous or ± tomentose, distally glabrous to minutely scabridulous, spine tips 1–4 mm, inner phyllaries with unarmed, straight or twisted tips.
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Corollas purple, 15–28 mm, lobes 2.5–3 times longer than throat.
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Cypselae golden to brown, 4–5 mm;
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pappus bristles 13–25 mm. 2n = 16.
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2.5-3 times longer than throat
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pedunculate
usually conspicuously
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