Rudbeckia laciniata var. ampla (A. Nelson) Cronquist in C. L. Hitchcock et al. (Q2793)
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Rudbeckia laciniata var. ampla is a taxon with the rank variety within the species Rudbeckia laciniata
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| English |
Rudbeckia laciniata var. ampla (A. Nelson) Cronquist in C. L. Hitchcock et al.
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Rudbeckia laciniata var. ampla is a taxon with the rank variety within the species Rudbeckia laciniata
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Statements
taxon/id/Rudbeckia laciniata var. ampla (A. Nelson) A. Cronquist
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Rudbeckia laciniata var. ampla (A. Nelson) A. Cronquist
Rudbeckia laciniata var. ampla
(A. Nelson) A. Cronquist
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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Rocky Mountain cut-leaved coneflower (English)
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CA-BC
present
introduced
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Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.
CA-BC
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US-AZ
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US-CO
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US-MT
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US-NM
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US-SD
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US-WY
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1700–2700 m
1,700 meter
2,700 meter
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Leaves: basal 20–50 × 10–25 cm, blades pinnately compound to pinnatifid (basal leaflets or lobes often pinnatifid);
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proximal and mid cauline blades 5–9-lobed;
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adaxial faces glabrous or sparsely hairy (hairs arching, 1-seriate).
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Receptacles ovoid;
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paleae 4.5–6.5 mm.
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Ray laminae 25–50 × 7–12 mm.
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Discs (17–) 20–30 × 12–20 mm.
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Cypselae 4–5.5 mm;
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pappi mostly longer than 0.7 mm. 2n = 38.
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