Symphyotrichum laeve var. concinnum

(Willdenow) G. L. Nesom

Phytologia 77: 283. 1995.

Basionym: Aster concinnus Willdenow Enum. Pl. 2: 884. 1809
Synonyms: Aster laevis var. concinnus (Willdenow) House
Treatment appears in FNA Volume 20. Treatment on page 509. Mentioned on page 508, 510.
Revision as of 18:40, 24 September 2019 by FNA>Volume Importer

Leaves: basal withering by flowering, linear-lanceolate to linear, slightly auriculate-clasping, often more than 5 times as long as wide. Phyllaries strongly unequal, apical green zones diamond-shaped. 2n = 48.


Phenology: Flowering Sep–Oct.
Habitat: Dry open woods, mostly on Piedmont and in mountains
Elevation: 50–1000 m

Distribution

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Ala., Del., D.C., Fla. Ga., Ky., Md., Miss., N.C., Pa., S.C., Tenn., Va., W.Va.

Discussion

The range of var. concinnum overlaps little with that of var. laeve, being confined to the eastern side of the Appalachian Mountains and to the Piedmont. When subsp. laeve is recognized, var. concinnum belongs to Symphyotrichum laeve subsp. concinnum (Willdenow) Semple & Brouillet.

Selected References

None.

Lower Taxa

None.
Luc Brouillet +, John C. Semple +, Geraldine A. Allen +, Kenton L. Chambers +  and Scott D. Sundberg† +
- Willdenow G. L. Nesom +
Aster concinnus +
Ala. +, Del. +, D.C. +, Fla. Ga. +, Ky. +, Md. +, Miss. +, N.C. +, Pa. +, S.C. +, Tenn. +, Va. +  and W.Va. +
50–1000 m +
Dry open woods, mostly on Piedmont and in mountains +
Flowering Sep–Oct. +
Aster laevis var. concinnus +
Symphyotrichum laeve var. concinnum +
Symphyotrichum laeve +
variety +