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Symphyotrichum drummondii var. texanum
(Burgess) G. L. Nesom
Family:
Asteraceae
Drummond's aster
[
Aster drummondii subsp. parviceps
(Shinners) A.G. Jones,
more
Aster drummondii subsp. texanus
(Burgess) A.G. Jones,
Aster drummondii var. parviceps
(Shinners) A.G. Jones,
Aster drummondii var. texanus
(Burgess) A.G. Jones,
Symphyotrichum drummondii var. parviceps
(Shinners) G. L. Nesom,
Symphyotrichum texanum
(E. S. Burgess) Semple
]
FNA
Resources
Luc Brouillet, John C. Semple, Geraldine A. Allen, Kenton L. Chambers, Scott D. Sundberg+ in Flora of North America (vol. 20)
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.
Heads
in open, paniculiform arrays with very long, widely spreading branches.
Peduncles
1-4 cm, densely, minutely bracteate.
Involucres
turbinate to hemispheric, 3.8-5.2 mm.
Ray corollas
bluish white.
Cypselae
strigillose.
2n
= 32.
Flowering Sep-Nov (seldom spring). Loamy soils or well-drained clays, bottomlands, open deciduous woods, oak-juniper woodlands; 0-100+ m; Ark., Kans., La., Miss., Mo., Okla., Tex.; Mexico (Coahuila).
Variety
texanum
is known mainly from the Ozarks, east-central Texas, and the Edwards Plateau; it is disjunct to Coahuila (G. L. Nesom 1993g).
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This project made possible by
National Science Foundation Award 1410069
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