Flora of North America species comparison

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Symphyotrichum puniceum var. scabricaule
Photo is of parent taxon

purplestem aster, roughstem aster
Habit Plants 100–250(–300) cm.
Stems

usually densely and uniformly hirsute, sometimes less so and in lines distally.
Leaves

faces ± concolorous, without dark, distinct reticulum, adaxial with distinctly impressed main veins (giving rough appearance); array leaves reduced in size relative to mid cauline.
2n

= 16.

Symphyotrichum puniceum var. scabricaule
Phenology Flowering Sep–Oct(–Nov).
Habitat Open seepage sites with mucky, saturated soils, wet, seepy grounds in sandy pinelands, sphagnum bogs, shrubby seepage bogs, marshes, pond margins, open stream banks, roadside and drainage ditches
Elevation 0–100+ m (0–300+ ft)
Distribution
from FNA
AL; LA; MS; TX
[BONAP county map]
Discussion

Of conservation concern.

Variety scabricaule is known from the post-oak belt of eastern Texas and in Louisiana (Natchitoches Parish), Mississippi (Grenada and Lauderdale counties), and Alabama (Penton, Chambers County, Kral 37887, BRIT). It is considered of conservation concern in Texas, where most populations occur. Variety scabricaule is in the Center for Plant Conservation’s National Collection of Endangered Plants. The hybrid Symphyotrichum puniceum var. scabricaule × S. lateriflorum was reported by G. L. Nesom (1997b).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 525.
Parent taxa Asteraceae > tribe Astereae > Symphyotrichum > subg. Symphyotrichum > sect. Symphyotrichum > Symphyotrichum puniceum
Sibling taxa
S. puniceum var. puniceum
Synonyms Aster scabricaulis, Aster puniceus var. scabricaulis
Name authority (Shinners) G. L. Nesom: Phytologia 77: 290. (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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