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Symphyotrichum walteri
(Alexander) Nesom
Family:
Asteraceae
Walter's American-Aster,
more...
walter's aster
[
Aster walteri
Alexander]
jariemames
FNA
Resources
Luc Brouillet, John C. Semple, Geraldine A. Allen, Kenton L. Chambers, Scott D. Sundberg+ in Flora of North America (vol. 20)
Perennials,
20-100 cm, colonial or cespitose, eglandular, sometimes sparsely, minutely stipitate-glandular; long-rhizomatous, with erect, thick, ± cormoid, woody caudices.
Stems
1-5+, erect to scandent-sprawling (mid to dark brown, branched from middle), glabrous or very sparsely fine strigose.
Leaves
(bright green) thick, firm, ± succulent, margins entire; basal early deciduous, sessile, blades (3-nerved) oblanceolate to obovate, 10-43 × 7-15 mm, bases cuneate, margins scabrous, apices obtuse, mucronate, faces sparsely finely scabrous; proximal cauline sessile (patent to reflexed), blades ovate to lanceolate, 8-30 × 2-10 mm, bases cordate-clasping, apices acute, sometimes spinulose, faces finely scabrous, shiny; distal sessile, blades lanceolate to triangular, 5-15 × 2.5-3.5 mm, reduced to bracts distally, bases clasping, margins finely scabrous, apices acute, white-spinulose, faces finely scabrous.
Heads
borne singly in diffusely paniculiform arrays, branches initially patent to divaricate, elongate.
Peduncles
glabrous, bracts relatively numerous, tiny, foliaceous, becoming minute, linear, glabrous.
Involucres
campanulate, 5-7 mm.
Phyllaries
in 4-5 series, oblanceolate, strongly unequal, bases (tan) ± indurate, margins hyaline, finely scabrous, green zones diamond-shaped, in distal
1
/ 4 -
1
/ 2 , apices obtuse, mucronate to finely subspinulose, innermost acuminate, faces sparsely strigillose (often obscured by thick, shiny cuticle).
Ray florets
11-26; corollas bluish purple, laminae 5-9(-11) × 0.5-1 mm.
Disc florets
(6-)15-25(-30); corollas yellow, 4-6.5 mm, throats narrowly funnelform, lobes triangular, 0.4-0.8 mm.
Cypselae
tan to brown, obovoid, not compressed, 2-2.5 mm, nerves very faint, faces sparsely to moderately strigose;
pappi
tan, 4-6 mm.
2
n
= 20. Flowering Oct-Dec. Sandy, clayey soils, margins of woods, open oak-pine scrub, pine flatwoods, fields, roadsides; 0-100+ m; Fla., Ga., N.C., S.C.
Open Interactive Map
cpgibson
Adam Arendell
Eric M Powell
Peter and Kim Connolly
bes_5_willb
sdickman
northfloridacritters
jariemames
Eric M Powell
botanicalkatz
Mike Ingram
petersmorales
Nate Martineau
Eric M Powell
Joseph Kurtz
Valerie Anderson
Peter and Kim Connolly
evanaturalist
brettbudach
Eric M Powell
Karen Guin
jariemames
bes_5_ananyas
Karen Guin
mask_cats
botanicalkatz
Scott Ward
Adam Arendell
Nate Martineau
Peter and Kim Connolly
Eric M Powell
evanaturalist
Eric M Powell
missmyla
sandy bauerschmidt
bes_7_meganh
Mike Ingram
northfloridacritters
Karen Guin
Eric M Powell
Mike Ingram
jariemames
Taylor Clark
Eric M Powell
Eric M Powell
Eric M Powell
Peter and Kim Connolly
Renz Torres
juliettelee
bes_7_meganh
cpgibson
Matthew Moskwik
petersmorales
connorkuppe
Joseph Kurtz
missmyla
northfloridacritters
jariemames
jariemames
cpgibson
Adam Arendell
Eric M Powell
Peter and Kim Connolly
bes_5_willb
sdickman
Eric M Powell
cpgibson
Mike Ingram
petersmorales
Nate Martineau
Eric M Powell
Joseph Kurtz
lily-of-the-valley
Peter and Kim Connolly
cpgibson
bes_5_ananyas
Eric M Powell
Eric M Powell
Peter and Kim Connolly
bes_5_ananyas
sdickman
northfloridacritters
Peter and Kim Connolly
Eric M Powell
botanicalkatz
Mike Ingram
Adam Arendell
Nate Martineau
Peter and Kim Connolly
Joseph Kurtz
Valerie Anderson
missmyla
evanaturalist
brettbudach
Renz Torres
northfloridacritters
iheartmollusks
mask_cats
Mike Ingram
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This project made possible through support from the UF Planning, Design & Construction and the UF Office of Sustainability
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