Spiraea corymbosa Rafinesque (Q4422)
Spiraea corymbosa is a taxon with the rank species within the genus Spiraea
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Spiraea corymbosa Rafinesque
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Spiraea corymbosa is a taxon with the rank species within the genus Spiraea
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Statements
taxon/id/Spiraea corymbosa Rafinesque
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Spiraea corymbosa Rafinesque
Spiraea corymbosa
Rafinesque
FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
accepted
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CA-NB
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CA-NS
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CA-ON
present
introduced
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Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.
CA-NS
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CA-ON
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US-GA
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US-MD
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US-MA
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US-NJ
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US-NC
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US-PA
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US-TN
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US-VA
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US-WV
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Shrubs, 3–10 (–15) dm.
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Stems erect to arching, branched.
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Leaves: petiole 3–8 mm, sparsely hairy;
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blade ovate to elliptic or suborbiculate, 2–10 × 1–2.5 cm, coriaceous, base obtuse, rounded, or subcordate, margins irregularly, coarsely and sharply doubly serrate from midpoint to apex, teeth acute and mucronate, number of primary and secondary serrations 1 times number of secondary-veins (excluding inter-secondary veins), venation pinnate cladodromous, secondary-veins not prominent, apex acute, obtuse, or rounded, abaxial surface mostly glabrous, adaxial glabrous.
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Inflorescences mostly terminal, corymbiform, 2–5 × 3–10 cm height 0.4–1.1 times diam.;
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branches rarely in axils of leaves, glabrous or glabrate.
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Pedicels 1–3 mm, glabrous or glabrate.
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Flowers 4–7 mm diam.;
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hypanthia hemispheric, 0.8–1 mm, abaxial surface glabrous or pubescent, adaxial glabrous;
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sepals triangular, 0.5–1 mm;
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petals chalky white to pink, orbiculate, 1.3–1.5 mm;
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staminodes 5–15 reduced to serrations;
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stamens 15–20, 2 times petal length.
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elliptic or suborbiculate
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