Difference between revisions of "Crepis acuminata Nuttall (Q3073)"
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Latest revision as of 12:45, 24 June 2022
Crepis acuminata is a taxon with the rank species within the genus Crepis
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Crepis acuminata Nuttall
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Crepis acuminata is a taxon with the rank species within the genus Crepis
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Statements
taxon/id/Crepis acuminata Nuttall
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Crepis acuminata Nuttall
Crepis acuminata
Nuttall
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-BC
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Sears, C.J. 2014. Crepis acuminata Nutt. (Asteraceae), an addition to the Canadian flora. Botanical Electronic News 484 http://www.ou.edu/cas/botany-micro/ben/ben484.html
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-IA
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US-MT
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US-NE
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US-NV
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US-NM
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US-OR
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US-UT
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US-WA
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US-WY
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1000–3300 m
1,000 meter
3,300 meter
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Stems 1–5, erect, stout, branched near or beyond middles, tomentulose (at least proximally).
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blades elliptic to lanceolate, 8–40 × 0.5–6 (–11) cm, margins deeply pinnately lobed, lobes 5–10 pairs, usually lobed (± halfway to midveins, lobes entire), apices long-acuminate, faces ± tomentulose.
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Heads 30–70 (–100+), in compound, corymbiform arrays.
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Calyculi of 5–7, triangular, tomentulose bractlets 1–2 mm.
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Involucres cylindro-campanulate, 8–16 × 2–3 mm.
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Phyllaries 5–8, (medially green) lanceolate, 8–12 mm, (margins yellowish, often scarious), apices acute (ciliate), abaxial faces usually glabrous, sometimes sparsely tomentulose, adaxial glabrous.
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Florets 5–10 (–15);
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corollas yellow, 10–18 mm.
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Cypselae pale yellowish-brown, subcylindric, 6–9 mm, apices ± narrowed (not beaked), ribs 12;
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pappi white, 6–9 mm. 2n = 22, 33, 44, 55, 88.
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tomentulose
sometimes sparsely
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