Difference between revisions of "Symphyotrichum patens (Aiton) G. L. Nesom (Q2514)"
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Latest revision as of 12:49, 24 June 2022
Symphyotrichum patens is a taxon with the rank species within the subgenus Symphyotrichum subg. Virgulus
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Symphyotrichum patens (Aiton) G. L. Nesom
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Symphyotrichum patens is a taxon with the rank species within the subgenus Symphyotrichum subg. Virgulus
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Statements
taxon/id/Symphyotrichum patens (Aiton) G.L. Nesom
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Symphyotrichum patens (Aiton) G.L. Nesom
Symphyotrichum patens
(Aiton) 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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US-AL
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US-AR
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US-CT
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US-DC
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US-DE
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US-FL
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US-GA
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US-IL
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US-IN
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US-KS
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US-KY
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US-LA
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US-ME
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US-MA
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US-MD
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US-MS
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US-MO
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US-NC
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US-NH
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US-NJ
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US-NY
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US-OH
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US-OK
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US-PA
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US-RI
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US-SC
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US-TN
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US-TX
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US-VA
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US-WV
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with short, thick, woody caudices, tangled or sometimes cormoid, and long rhizomes.
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Stems 1–5+, ascending to erect (often stout, light to dark-brown), sparsely to densely scabroso-hirsute to cinereo-puberulent, or villous distally.
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Leaves (light to dark green) thick and often stiff (margins flat, sometimes undulate), scabrous;
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basal early deciduous, subpetiolate (petioles winged, sheathing), blades spatulate to obovate, 30–70 × 10–30 mm, bases cuneate, margins entire to ± serrulate, scabrous, apices acute to rounded, faces scabroso-hirsute;
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proximal cauline sessile, blades usually ovate to lanceolate, rarely spatulate, (20–) 30–70 (–100) × 10–30 (–40) mm, reduced distally, bases strongly cordate-clasping to auriculate-amplexicaul (broadened below constriction), apices acute, faces (grayish green) rugulose, hairy (abaxial inconspicuously veined, adaxial reticulately veined, hairier along veins);
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distal sessile, blades narrowly to broadly ovate, 15–35 × 4–13 mm, much reduced on branches, bases strongly cordate-clasping to auriculate-amplexicaul, apices usually acute, sometimes obtuse, mucronate to white-spinulose, faces scabrous, sometimes sparsely to moderately stipitate-glandular.
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Heads in paniculiform arrays, branches divaricate (heads 1–5+ per branch), terminal shoot often not flowering.
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Peduncles stiffly ascending, slender, 2–10 (–15) cm, scabroso-hirsute to cinereo-puberulent, bracts appressed to spreading, linear, 1–5 mm, grading into phyllaries.
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Involucres campanulate, 5.5–12 mm.
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Phyllaries in 4–7 (–8) series, appressed or often slightly recurved-spreading or squarrose, ovatelanceolate to linear, strongly unequal, bases (tan) ± indurate in proximal 1/3–1/2, margins hyaline, erose, distally scabroso-ciliolate to ciliolate, green zones diamond-shaped, in distal 1/5–1/3, apices (outer) obtuse to acute, appressed to squarrose, (inner) acuminate, often purplish red, faces strigillose or cinereo-puberulent abaxially and near tip adaxially, sometimes moderately stipitate-glandular distally.
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Ray-florets 12–24+;
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corollas light lavender-violet to mauve, rarely white to pinkish, laminae 10–18 (–20) × 1–3 mm.
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Disc-florets 20–50;
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corollas yellow, cream, or white turning purple, (4.5–) 5.5–7.5 mm, tubes shorter than narrowly funnelform throats, lobes triangular, 0.5–1 mm (glabrous or lobes thinly puberulent).
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Cypselae dull purple or brown, obovoid to oblong-obovoid, not compressed, 2–3.5 mm, 7–10-nerved (faint), faces sericeous or strigillose;
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pappi tawny, sometimes rose-tinged, 4.5–6.5 mm.
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scabroso-hirsute
cinereo-puberulent or villous
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scabroso-hirsute
cinereo-puberulent or villous
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cordate-clasping to auriculate-amplexicaul
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cordate-clasping to auriculate-amplexicaul
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cordate-clasping to auriculate-amplexicaul
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cordate-clasping to auriculate-amplexicaul
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stipitate-glandular
sometimes sparsely; sparsely to moderately
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scabroso-hirsute
cinereo-puberulent
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distally scabroso-ciliolate
ciliolate
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stipitate-glandular
sometimes moderately; distally
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light lavender-violet
mauve rarely white
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light lavender-violet
mauve rarely white
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