Flora of North America species comparison

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Symphyotrichum patens var. patentissimum
Photo is of parent taxon

late purple aster
Habit Plants robust.
Involucres

turbinate, 8–12 mm.
Phyllaries

in 5–7 series, appressed, obtuse, densely strigillose to canescent, eglandular or sparsely glandular;

mid 1.2–1.7 mm wide.
2n

= 20.

Symphyotrichum patens var. patentissimum
Phenology Flowering late Aug–early Nov.
Habitat Dry oak-hickory woodlands
Elevation 0–1000+ m (0–3300+ ft)
Distribution
from FNA
AR; IL; KS; KY; LA; MO; MS; OK; TX
[BONAP county map]
Discussion

Variety patentissimum is found mostly west of the Mississippi River, in the Interior Uplands of the eastern United States. It is similar to the typical variety except for the involucre, which is usually 8–12 mm with more phyllaries in more series. Intermediates occur with var. patens.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 489.
Parent taxa Asteraceae > tribe Astereae > Symphyotrichum > subg. Virgulus > Symphyotrichum patens
Sibling taxa
S. patens var. gracile, S. patens var. patens
Synonyms Aster patentissimus, Aster arnottii, Aster continuus, Aster patens var. patentissimus, Aster subsessilis, Virgulus patens var. patentissimus
Name authority (Lindley ex de Candolle) G. L. Nesom: Phytologia 77: 288. (1995)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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