Symphyotrichum subspicatum (Nees) G. L. Nesom (Q2495)
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Symphyotrichum subspicatum is a taxon with the rank species within the section Symphyotrichum sect. Occidentales
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Symphyotrichum subspicatum (Nees) G. L. Nesom
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Symphyotrichum subspicatum is a taxon with the rank species within the section Symphyotrichum sect. Occidentales
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Statements
taxon/id/Symphyotrichum subspicatum (Nees) G.L. Nesom
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Symphyotrichum subspicatum (Nees) G.L. Nesom
Symphyotrichum subspicatum
(Nees) G.L. Nesom
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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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-NB
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CA-NS
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Zinck, M. 1998. Roland's Flora of Nova Scotia. Nimber Publishing & Nova Scotia Museum. Halifax, N. S. 2 vols. 1297 pp.
Newfoundland, CA
excluded
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Meades, S., S.G. Hay & L. Brouillet. 2000. Annotated Checklist of the Vascular Plants of Newfoundland and Labrador. Published in association with A Digital Flora of Newfoundland and Labrador Vascular Plants. http://www.digitalnaturalhistory.com/meades.htm (consulted 2009-09-02) http://www.digitalnaturalhistory.com/meades.htm
CA-YT
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Bennett, B., P.M. Catling, W.J. Cody & G.W. Argus. 2010. New records of vascular plants in the Yukon Territory VIII. Canadian Field Naturalist 124 (1): 1-27. http://canadianfieldnaturalist.ca/index.php/cfn/article/view/1025
CA-AB
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CA-BC
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US-AK
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US-CA
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US-ID
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US-MT
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US-OR
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US-WA
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Stems 1–5+, ascending to erect, proximally glabrous, distally usually glabrous or sparsely puberulent, rarely densely hirsute.
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Leaves thin, margins entire or often serrate, apices acute, faces glabrous or sparsely puberulent;
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basal withering by flowering, petiolate to subpetiolate, blades oblanceolate to narrowly elliptic or linear, 50–150 × 3–25 mm, bases attenuate, margins entire or sometimes serrate, apices acute;
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proximalmost cauline withering by flowering, subpetiolate or sessile, blades obovate or oblanceolate to narrowly elliptic, rarely linear, 50–150 × 4–35 mm, bases attenuate or cuneate;
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distal sessile, blades 30–100 (–130) × 3–15 (–30) mm, bases cuneate, rounded or sometimes ± auriculate, margins sometimes serrate, scabrous.
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Heads in open, corymbiform, paniculiform, or racemiform arrays, branches 5–30 cm.
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Peduncles sparsely hairy, bracts 1–10, lance-oblong to linear, sometimes clasping, margins scabrous.
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Involucres campanulate, 5–8 (–10) mm.
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Phyllaries in 4–6 series, appressed or squarrose, oblong or narrowly oblanceolate or linear (outer) to linear (inner), unequal to subequal (outer shorter than or equal to inner, often less than 3 times as long as wide), bases outer indurate less than 1/2 (some foliaceous), inner scarious, margins entire, sometimes ciliate, green zones obovate to elliptic, apices acute to obtuse, faces usually glabrous, rarely sparsely puberulent.
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Ray-florets 15–45;
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corollas violet, laminae 10–16 (–20) × (1–) 1.5–2.5 mm.
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Disc-florets 50–75;
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corollas yellow becoming reddish, 4–7 mm, lobes triangular, 0.5–1 mm, glabrous.
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Cypselae brown or purplish, cylindric to obovoid, not compressed, 2–4 mm, 3–6-nerved, faces hairy;
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pappi whitish to tawny or reddish, 4.5–8 mm. 2n = 48, 64, 80, 96.
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oblanceolate to narrowly
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auriculate
sometimes more or less
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