Arnica lessingii (Torrey & A. Gray) Greene (Q2829)
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Arnica lessingii is a taxon with the rank species within the genus Arnica
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English |
Arnica lessingii (Torrey & A. Gray) Greene
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Arnica lessingii is a taxon with the rank species within the genus Arnica
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Statements
taxon/id/Arnica lessingii (Torrey & A. Gray) Greene
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Arnica lessingii (Torrey & A. Gray) Greene
Arnica lessingii
(Torrey & A. Gray) Greene
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-BC
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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-NT
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Porsild, A.E. & W.J. Cody. 1980. Vascular Plants of the Continental Northwest Territories, Canada. National Museum of Natural Sciences, Ottawa, Ont. 667 pp.
CA-YT
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Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.
CA-BC
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CA-NT
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CA-YT
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US-AK
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Stems (1–3 together) usually simple, rarely branched (moderately to densely hairy, hairs translucent with purple septa).
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petiolate or sessile (petioles short-winged);
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blades elliptic, lanceolate, or broadly oblanceolate, 3–10 × 1–2.5 cm, margins usually entire proximal to mid-blade, subentire to denticulate distally, apices acute to obtuse, faces: abaxial paler and often glabrous, adaxial slightly hairy.
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Heads 1 (nodding).
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Involucres turbinate-campanulate (bases moderately villous, hairs brownish).
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Phyllaries 11–15, lanceolate to elliptic (apices obtuse, tips blunt, callous).
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Ray-florets 8–13;
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corollas yellow (laminae 14–20 mm).
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Disc-florets: corollas yellow;
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anthers dark purple.
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Cypselae brown, 5–6 mm, sparsely strigose (hairs simple, apically pointed) or glabrous;
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pappi tawny, bristles barbellate.
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