Arnica gracilis Rydberg (Q2827)
Arnica gracilis is a taxon with the rank species within the genus Arnica
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Arnica gracilis Rydberg
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Arnica gracilis is a taxon with the rank species within the genus Arnica
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Statements
taxon/id/Arnica gracilis Rydberg
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Arnica gracilis Rydberg
Arnica gracilis
Rydberg
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-AB
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Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.
CA-AB
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CA-BC
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US-ID
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US-MT
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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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1200–2500 m
1,200 meter
2,500 meter
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Stems (often 5–10 in dense clumps) branched distally.
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Leaves 2–3 pairs, mostly cauline (basal leaves often persistent on sterile rosettes, similar to cauline leaves);
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petiolate (petioles narrowly to broadly winged, distal pair of leaves often reduced, connate-perfoliate);
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blades ovate to ovatelanceolate, 2–6 × 1–3 cm, margins irregularly serrate to subentire, apices acute, faces: abaxial glandular, adaxial stipitate-glandular.
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Involucres turbinate-campanulate.
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Phyllaries 10–16, ovatelanceolate.
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Disc-florets: corollas yellow;
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Cypselae black, 4.5–7 mm, hairy (hairs duplex) and stipitate-glandular;
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pappi white, bristles barbellate.
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