Treatment appears in FNA Volume 20. Treatment on page 480. Mentioned on page 479.

Plants 40–60 (–100) cm, colonial; long-rhizomatous. Stems 1. Mid leaves (1.5–) 3–6 mm wide. Involucres 6–9.5 (–11) mm. Phyllaries lanceolate to subulate. Ray-florets (12–) 17–25. Disc-florets 25–45 (–54); corollas (4–) 4.7–6 (–6.8) mm. Cypselae 2.8–4 (–4.5) mm; pappi 5–6.1 mm. 2n = 10.


Phenology: Flowering Jul–Nov.
Habitat: Coastal salt marshes, brackish marshes
Elevation: 0–10 m

Distribution

V20-1078-distribution-map.gif

Ala., Conn., Del., Fla., Ga., La., Maine, Md., Mass., Miss., N.H., N.J., N.Y., N.C., R.I., S.C., Tex., Va.

Discussion

Selected References

None.

Lower Taxa

None.

"thick" is not a number.

hairy +  and glabrous +
not tailed +, rounded +  and obtuse +
sessile +  and petiolate +
8 cm80 mm <br />0.08 m <br /> (15 cm150 mm <br />0.15 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
distinct +
0.7 cm7 mm <br />0.007 m <br /> (8 cm80 mm <br />0.08 m <br />) +
subequal +
scarious +
1mm +  and 6mm +
usually triangular +  and linear +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
Luc Brouillet +, John C. Semple +, Geraldine A. Allen +, Kenton L. Chambers +  and Scott D. Sundberg† +
(Linnaeus) G. L. Nesom +
sessile +  and petiolate +
8 cm80 mm <br />0.08 m <br /> (15 cm150 mm <br />0.15 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (8 cm80 mm <br />0.08 m <br />) +
rounded +, acuminate +  and acute +
indurate +
1mm;6mm +
Aster tenuifolius +
sessile +  and petiolate +
8 cm80 mm <br />0.08 m <br /> (15 cm150 mm <br />0.15 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
1 cm10 mm <br />0.01 m <br /> (11 cm110 mm <br />0.11 m <br />) +
narrowly lanceolate;subulate +
0.5mm;5mm +
rugulose +  and muricate +
awl--shaped +
barbellulate +  and barbellate +
sessile +  and subpetiolate +
not 2-lipped +  and actinomorphic +
0.6 cm6 mm <br />0.006 m <br /> (0.68 cm6.8 mm <br />0.0068 m <br />) +
yellow becoming purplish +, pink +  and white +
at maturity , more or less ampliate , tubes usually shorter +
0.47 cm4.7 mm <br />0.0047 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
0.4 cm4 mm <br />0.004 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
glabrate +  and strigillose +
compressed +, narrowly obovoid +  and fusiform +
fertile +  and bisexual +
fertile +  and bisexual +
Ala. +, Conn. +, Del. +, Fla. +, Ga. +, La. +, Maine +, Md. +, Mass. +, Miss. +, N.H. +, N.J. +, N.Y. +, N.C. +, R.I. +, S.C. +, Tex. +  and Va. +
0–10 m +
strigillose +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Coastal salt marshes, brackish marshes +
disciform +  and radiate +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.95 cm9.5 mm <br />0.0095 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.95 cm9.5 mm <br />0.0095 m <br />) +
0.85 cm8.5 mm <br />0.0085 m <br /> (0.95 cm9.5 mm <br />0.0095 m <br />) +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
5mm;8.5mm +
1.2mm;2mm +
sessile +  and petiolate +
cauline +  and basal +
decurrent +
triangular +
8 cm80 mm <br />0.08 m <br /> (15 cm150 mm <br />0.15 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
tinged with purple +  and hyaline +
ciliate +  and scabrous +
acuminate +  and acute +
1mm +  and 6mm +
2-carpellate +
tawny +  and white +
persistent +
25 +  and 40 +
0.5 cm5 mm <br />0.005 m <br /> (0.61 cm6.1 mm <br />0.0061 m <br />) +
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Flowering Jul–Nov. +
lanceolate +  and subulate +
styliferous +, neuter +  and pistillate +
bearing subulate enations +, hairy +  and bristly +
flat;slightly convex +
exalbuminous +
little-branched +
not brittle +
ascending +  and erect +
appendaged +  and truncate +
papillate +  and smooth +
Aster sect. Hesterastrum +, Aster sect. Oxytripolium +, Undefined subg. Conyzanthus +, Symphyotrichum sect. Oxytripolium +  and Tripolium sect. Oxytripolium +
Symphyotrichum tenuifolium var. tenuifolium +
Symphyotrichum tenuifolium +
variety +
at maturity , more or less ampliate , tubes usually shorter +
ampliate +
60 cm600 mm <br />0.6 m <br /> (100 cm1,000 mm <br />1 m <br />) +
cespitose +  and colonial +
40 cm400 mm <br />0.4 m <br /> (60 cm600 mm <br />0.6 m <br />) +
plant +  and colonial +
spatulate +  and oblanceolate-rhombic +