Rudbeckia hirta Linnaeus (Q2786)
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Rudbeckia hirta is a taxon with the rank species within the section Rudbeckia sect. Rudbeckia
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| English |
Rudbeckia hirta Linnaeus
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Rudbeckia hirta is a taxon with the rank species within the section Rudbeckia sect. Rudbeckia
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Statements
taxon/id/Rudbeckia hirta Linnaeus
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Rudbeckia hirta Linnaeus
Rudbeckia hirta
Linnaeus
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 21: Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. 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-NS
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CA-NL
Nfld. and Labr. (Nfld.)
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CA-ON
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CA-PE
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CA-QC
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CA-SK
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US-AL
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US-AR
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US-CA
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US-CO
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US-CT
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US-DC
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US-DE
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US-FL
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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-ME
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US-MA
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US-MD
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US-MI
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US-MN
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US-MS
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US-MO
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US-NC
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US-ND
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US-NH
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US-NJ
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US-NM
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US-NY
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US-NE
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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-RI
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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-VT
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US-WV
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US-WA
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US-WI
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US-WY
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Stems hispid to hirsute (hairs spreading, 1+ mm).
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Leaves: blades elliptic, lanceolate, or ovate (not lobed), bases attenuate to cuneate, margins entire or serrate, apices acute, faces hispid to hirsute;
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basal petiolate, blades 8–30 × 0.5–7 cm;
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cauline petiolate or sessile, blades (sometimes pandurate) 3–20 × 0.4–4 cm.
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Heads borne singly or (2–5) in loose, corymbiform arrays.
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Phyllaries to 3 cm (faces hispid to hirsute).
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Receptacles hemispheric to ovoid;
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paleae 4–6 mm, apices acute, often attenuate, abaxial tips hirsute to hispid.
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laminae (usually uniformly yellow to yellow-orange or with a basal maroon splotch, sometimes mostly maroon) elliptic to oblong or oblanceolate, 15–45 × 5–10 mm, abaxially hispid to hirsute.
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Discs 12–22 × 10–20 mm.
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Disc-florets 250–500+;
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corollas proximally yellowish green, distally brown-purple, 3–4.2 mm;
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style-branches ca. 1.5 mm, apices subulate.
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Cypselae 1.5–2.7 mm;
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