Flora of North America species comparison

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Symphyotrichum drummondii var. texanum
Photo is of parent taxon

Drummond's aster, Texas aster
Habit Plants 30–80 cm.
Stems

± densely hirsute, particularly distally.
Leaves

membranous, becoming thickish, brittle;

basal and proximal winged-petiolate;

proximal cauline blade bases cordate, becoming rounded-truncate distally.
Peduncles

1–4 cm, densely, minutely bracteate.
Involucres

turbinate to hemispheric, 3.8–5.2 mm.
Ray corollas

bluish white.
Heads

in open, paniculiform arrays with very long, widely spreading branches.
Cypselae

strigillose.
2n

= 32.

Symphyotrichum drummondii var. texanum
Phenology Flowering Sep–Nov (seldom spring).
Habitat Loamy soils or well-drained clays, bottomlands, open deciduous woods, oak-juniper woodlands
Elevation 0–100+ m (0–300+ ft)
Distribution
from FNA
AR; KS; LA; MO; MS; OK; TX; Mexico (Coahuila)
[BONAP county map]
Discussion

Variety texanum is known mainly from the Ozarks, east-central Texas, and the Edwards Plateau; it is disjunct to Coahuila (G. L. Nesom 1993g).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 504.
Parent taxa Asteraceae > tribe Astereae > Symphyotrichum > subg. Symphyotrichum > sect. Symphyotrichum > Symphyotrichum drummondii
Sibling taxa
S. drummondii var. drummondii
Synonyms Aster texanus, Aster drummondii var. texanus, Aster texanus var. parviceps, S. drummondii var. parviceps, S. texanum
Name authority (E. S. Burgess) G. L. Nesom: Phytologia 77: 279. (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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