Townsendia exscapa (Richardson) Porter (Q2525)
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Townsendia exscapa is a taxon with the rank species within the genus Townsendia
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| English |
Townsendia exscapa (Richardson) Porter
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Townsendia exscapa is a taxon with the rank species within the genus Townsendia
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Statements
taxon/id/Townsendia exscapa (Richardson) Porter
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Townsendia exscapa (Richardson) Porter
Townsendia exscapa
(Richardson) Porter
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 20: Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford University Press, New York.
accepted
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CA-BC
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Klinkenberg, B. (ed.). 2010+. E-Flora BC: Electronic Atlas of the Plants of British Columbia. Lab. for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver, B.C. http://www.eflora.bc.ca http://www.eflora.bc.ca/
CA-AB
1 reference
Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.
CA-SK
1 reference
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-MB
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CA-SK
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US-AZ
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US-CO
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US-ID
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US-KS
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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-SD
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US-TX
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US-UT
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US-WY
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(1300–)1600–2300(–3300) m
1,600 meter
2,300 meter
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internodes 0.1–1 mm, ± hirsute to strigose or glabrate.
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Leaves basal and cauline, blades ± spatulate to narrowly oblanceolate or linear, 12–40 (–75) × 2–6+ mm, not fleshy, faces ± strigillose.
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Heads ± sessile (usually nestled among rosette leaves).
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Involucres ± hemispheric, (10–) 12–25+ mm diam.
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Phyllaries 30–45 (–60) in 4–6+ series, the longer narrowly lanceolate or linear to subulate, (10–) 12–14 (–17) mm (l/w = 6–9), apices obtuse to acute, abaxial faces sparsely strigillose or glabrate.
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Ray-florets 11–40;
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corollas white adaxially, laminae (9–) 12–18+ mm, glabrous abaxially.
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Disc-florets 100–150+;
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corollas 6.5–9 (–12+) mm.
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Cypselae 4 (–6+) mm, faces hairy, hair tips glochidiform;
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on ray cypselae 20–30 setiform scales 6–8+ mm;
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on disc cypselae 20–30+ setiform scales 6.5–11+ mm.
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less hirsute
strigose or glabrate
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less spatulate
narrowly oblanceolate or linear
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