Symphyotrichum subulatum (Michaux) G. L. Nesom (Q2519)
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Symphyotrichum subulatum is a taxon with the rank species within the subgenus Symphyotrichum subg. Astropolium
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| English |
Symphyotrichum subulatum (Michaux) G. L. Nesom
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Symphyotrichum subulatum is a taxon with the rank species within the subgenus Symphyotrichum subg. Astropolium
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Statements
taxon/id/Symphyotrichum subulatum (Michaux) G.L. Nesom
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Symphyotrichum subulatum (Michaux) G.L. Nesom
Symphyotrichum subulatum
(Michaux) 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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eastern annual saltmarsh aster (English)
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Annual saltmarsh or eastern annual saltmarsh aster (English)
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CA-NB
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CA-ON
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US-AL
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US-AZ
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US-AR
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US-CA
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US-CT
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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-LA
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US-ME
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US-MA
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US-MD
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US-MI
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US-MS
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US-NC
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US-NH
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US-NJ
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US-NM
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US-NY
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US-NE
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US-NV
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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-UT
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US-VA
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Stems 1, erect (often with purple or purplish brown areas), glabrous or glabrate, sometimes strigillose in leaf-axils.
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Leaves thin (green to dark green), margins often strigilloso-ciliolate, faces glabrous;
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basal withering by flowering, long-petiolate (petiole bases sheathing), sparsely ciliate, blades ovate to oblanceolate, 10–90 × 6–14 mm, bases attenuate to cuneate, rounded, margins entire or serrulate or crenulate, apices rounded, obtuse, or acute;
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proximal cauline withering by flowering, petiolate, subpetiolate, or sessile, blades narrowly lanceolate or subulate, 20–100 (–200) × 1.5–10 (–20) mm, bases attenuate, margins subentire, entire, or serrulate, apices acute to acuminate;
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distal sessile, blades narrowly lanceolate to subulate, 5–113 × 0.5–5.5 mm, apices acuminate.
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Heads (10–) 30–100 (–150), in open, diffuse, paniculiform arrays.
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Peduncles (0.2–) 0.5–4 cm, bracts 4–8 (–17).
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Involucres cylindric to turbinate, 5–7 (–8.2) mm.
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Phyllaries in 3–5 series, broadly or narrowly lanceolate to subulate, unequal, bases indurate, margins hyaline, often purple-tinged, entire, green zones lanceolate (usually narrow, sometimes broad and covering most of distal portion), apices acute, faces glabrous.
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Ray-florets 16–30 (–54) in 1–3 series;
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corollas white, pink, or lavender, laminae 1.3–7 × 0.2–1.3 mm.
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Disc-florets 4–10 (–13);
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corollas yello, sometimes tinged with purple, 3.4–5.2 mm, throats narrowly funnelform, lobes ± spreading to erect, narrowly triangular, 0.3–0.7 mm, glabrous.
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Cypselae light-brown to purple, narrowly obovoid to fusiform, sometimes ± compressed, (1.2–) 1.5–2.7 (–3) mm, 5-nerved, faces sparsely strigillose;
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pappi white, (3–) 3.5–5.5 mm.
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narrowly lanceolate
subulate
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compressed
sometimes more or less
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