Iva axillaris Pursh (Q2775)
Iva axillaris is a taxon with the rank species within the genus Iva
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Iva axillaris Pursh
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Iva axillaris is a taxon with the rank species within the genus Iva
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Statements
taxon/id/Iva axillaris Pursh
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Iva axillaris Pursh
Iva axillaris
Pursh
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-SK
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Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf
CA-MB
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Manitoba Checklist, 2002
CA-AB
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CA-BC
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CA-MB
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CA-SK
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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-KS
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US-MN
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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-ND
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US-OK
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US-OR
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US-SD
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US-TX
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US-UT
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US-WA
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US-WI
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US-WY
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10–2500 m
10 meter
2,500 meter
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Stems erect (usually herbaceous).
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Leaves: petioles 0–3 mm;
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blades narrowly ovate or obovate to elliptic or spatulate, 15–25 (–45) × 3–8 (–15) mm, margins rarely toothed, faces usually ± strigose to scabrellous, glanddotted.
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Heads in ± racemiform arrays.
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Involucres ± hemispheric, 2–3 mm.
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Phyllaries: outer 3–5 ± connate, ± herbaceous.
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Paleae linear, 1.5–2 mm.
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Pistillate florets 3–5 (–8);
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corollas 0.5–1.5 mm.
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Functionally staminate florets 4–8 (–20+);
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corollas 2–2.5 mm.
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Cypselae 2.5–3 mm. 2n = 36, 54.
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obovate
elliptic or spatulate
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strigose
usually more or less
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