Difference between revisions of "Symphyotrichum spathulatum (Lindley) G. L. Nesom (Q2488)"
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Latest revision as of 12:49, 24 June 2022
Symphyotrichum spathulatum is a taxon with the rank species within the section Symphyotrichum sect. Occidentales
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Symphyotrichum spathulatum (Lindley) G. L. Nesom
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Symphyotrichum spathulatum is a taxon with the rank species within the section Symphyotrichum sect. Occidentales
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Statements
taxon/id/Symphyotrichum spathulatum (Lindley) G.L. Nesom
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Symphyotrichum spathulatum (Lindley) G.L. Nesom
Symphyotrichum spathulatum
(Lindley) 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-AB
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CA-BC
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CA-NT
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US-CA
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US-CO
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US-ID
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US-MT
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US-NM
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US-NV
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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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Stems 1–5+, ascending to erect, glabrous or sparsely puberulent.
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Leaves thin, margins entire, apices acute, faces glabrous or sparsely puberulent;
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basal persistent, petiolate, blades narrowly elliptic to obovate, 50–150 × 3–15 mm, attenuate, margins entire;
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proximal cauline sessile or subpetiolate, blades linear to narrowly elliptic, 50–150 × 2–15 mm, bases attenuate or cuneate;
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distal sessile, blades 30–60 × 2–10 mm, reduced distally, bases cuneate to rounded.
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Heads in corymbiform to paniculiform arrays, branches usually few.
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Peduncles sparsely hairy, bracts 0–3+.
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Involucres campanulate, 5–10 mm.
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Phyllaries in 3–5 series, narrowly oblong or linear (outer) to linear (inner), unequal, bases indurate, margins entire, green zones elliptic to lanceolate, apices usually acute, sometimes obtuse, faces glabrous or ± puberulent.
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Ray-florets 15–40;
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corollas violet, laminae 9–15 × 1–2 mm.
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Disc-florets 30-80 (–100);
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corollas yellow, sometimes becoming reddish, 4.5–6 mm, lobes triangular, 0.5–1 mm.
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Cypselae brown, cylindric to obovoid, not compressed, 2.5–3.5 mm, ± 4-nerved, faces hairy;
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pappi whitish, 5–7 mm.
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