Compilation
Aster cordineri

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Name

Identification
Aster cordineri A. Nelson [family ASTERACEAE ] (stored under name); Verified by Not on Sheet, Aster cordineri A. Nelson [family ASTERACEAE ] Verified by Not on Sheet, Aster falcatus Lindl. [family ASTERACEAE ] Verified by Almut G. Jones, 1973 Aster falcatus Lindl. [family ASTERACEAE ] Verified by Ruth A. Nelson, 1933 Aster cordineri A. Nelson [family ASTERACEAE ] Verified by Aven Nelson,
Related name
  • Aster falcatus
  • Aster cordineri
  • Aster adscendens
  • Astragalus falcatus

Flora

Entry for Symphyotrichum falcatum (Lindley) G. L. Nesom var. commutatum (Torrey & A. Gray) G. L. Nesom [family ]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 20,
Names
Symphyotrichum falcatum (Lindley) G. L. Nesom var. commutatum (Torrey & A. Gray) G. L. Nesom [family ], Phytologia, 77: 281. 1995
Aster multiflorus Aiton var. commutatus Torrey & A. Gray [family COMPOSITAE], Fl. N. Amer., 2: 125. 1841
Aster commutatus (Torrey & A. Gray) A. Gray [family COMPOSITAE]
Aster commutatus var. crassulus (Rydberg) S. F. Blake [family COMPOSITAE]
Aster commutatus var. polycephalus (Rydberg) S. F. Blake [family COMPOSITAE]
Aster cordineri A. Nelson [family COMPOSITAE]
Aster crassulus Rydberg [family COMPOSITAE]
Aster ericoides var. commutatus (Torrey & A. Gray) B. Boivin [family COMPOSITAE]
Aster ericoides Linnaeus var. polycephalus (Rydberg) F. C. Gates [family COMPOSITAE]
Aster falcatus Lindley subsp. commutatus (Torrey & A. Gray) A. G. Jones [family COMPOSITAE]
Aster falcatus var. commutatus (Torrey & A. Gray) A. G. Jones [family COMPOSITAE]
Aster falcatus var. crassulus (Rydberg) Cronquist [family COMPOSITAE]
Aster incanopilosus (Lindley) Sheldon [family COMPOSITAE]
Aster multiflorus var. incanopilosus (Lindley) Rydberg [family COMPOSITAE]
Symphyotrichum falcatum subsp. commutatum (Torrey & A. Gray) Semple [family ]
Symphyotrichum falcatum var. commutatum (Torrey & A. Gray) G. L. Nesom [family ]
Symphyotrichum falcatum var. crassulum (Torrey & A. Gray) G. L. Nesom [family ]
Virgulus falcatus (Lindley) Reveal & Keener subsp. commutatus (Torrey & A. Gray) Schaak [family ]
Treatment Author(s)
Luc Brouillet
John C. Semple
Geraldine A. Allen
Kenton L. Chambers
Scott D. Sundberg†
Information
Plants colonial, sometimes ± cespitose, usually densely hairy; long-rhizomatous (stems single) or short-rhizomatous with rhizomes branched and entangled (stems clumped), new shoots developing at ends of elongate rhizomes. Stems usually 1, sometimes 1–5+. Peduncles stout, bracts 2–10+. Phyllaries ± unequal, apices strongly squarrose. 2n = 30.
Phenology
aug (summer), sep-nov (fall)
Altitude range
200–2500+ m;
Distribution
Mexico (Chihuahua).Mexico (Coahuila).Mexico (Durango).Mexico (Jalisco).Mexico (Nuevo León).Mexico (Sonora).USA Ariz.USA Colo.USA Ill.USA IowaUSA Kans.USA Minn.USA Mo.USA Mont.USA Nebr.USA N.Mex.USA N.Dak.USA Okla.USA S.Dak.USA Tex.USA UtahUSA Wis.USA Wyo.Canada Alta.Canada Man.Canada Ont.Canada Sask.
Discussion
Variety commutatum is introduced in Ontario, Illinois, Missouri, and Wisconsin, and possibly other eastern states. A. G. Jones (1978) treated it as a subspecies with two varieties on the basis of habit and head traits. Variety commutatum in the sense of Jones has decumbent or ascending stems usually branched proximally, heads in racemiform or diffuse paniculiform arrays, rarely secund, usually with 40–50(–60) florets. Variety crassulum in the sense of Jones has erect stems branched near the middle, with spreading branches, heads in paniculiform arrays, often somewhat secund, and with 35–40(–45) florets. Intermediates occur; Jones’s varieties are not recognized here.
The name Aster ramulosus Lindley var. incanopilosus Lindley (in W. J. Hooker 1834) has priority at the varietal level; the combination in Symphyotrichum has yet to be made.

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