Symphyotrichum tenuifolium var. aphyllum

(R. W. Long) S. D. Sundberg

Sida 21: 905. 2004.

Common names: Brace’s aster
Basionym: Aster tenuifolius var. aphyllus R. W. Long Rhodora 72: 40. 1970
Synonyms: Aster bracei Britton Symphyotrichum bracei (Britton) G. L. Nesom
Treatment appears in FNA Volume 20. Treatment on page 480. Mentioned on page 479.

Plants (20–) 30–80 (–90) cm, clustered; short-rhizomatous. Stems 1–5+. Mid leaves (1–) 1.5–2.7 mm wide. Involucres 4.1–5 (–5.3) mm. Phyllaries lanceolate to subulate. Ray-florets 10–16. Disc-florets (10–) 13–23; corollas 3.4–4.2 (–4.6) mm. Cypselae 1.5–2 (–2.5) mm; pappi 3–4.4 mm. 2n = 10.


Phenology: Flowering Aug–Dec(–Feb).
Habitat: Coastal salt marshes, brackish marshes, low pine woods
Elevation: 0–10 m

Distribution

V20-1079-distribution-map.gif

Fla., West Indies (Bahamas), West Indies (Cuba)

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† +
(R. W. Long) S. D. Sundberg +
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 var. aphyllus +
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 +
Brace’s aster +
not 2-lipped +  and actinomorphic +
0.42 cm4.2 mm <br />0.0042 m <br /> (0.46 cm4.6 mm <br />0.0046 m <br />) +
yellow becoming purplish +, pink +  and white +
at maturity , more or less ampliate , tubes usually shorter +
0.34 cm3.4 mm <br />0.0034 m <br /> (0.42 cm4.2 mm <br />0.0042 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
glabrate +  and strigillose +
compressed +, narrowly obovoid +  and fusiform +
fertile +  and bisexual +
fertile +  and bisexual +
Fla. +, West Indies (Bahamas) +  and West Indies (Cuba) +
0–10 m +
strigillose +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Coastal salt marshes, brackish marshes, low pine woods +
disciform +  and radiate +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (0.53 cm5.3 mm <br />0.0053 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
0.41 cm4.1 mm <br />0.0041 m <br /> (0.5 cm5 mm <br />0.005 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 +
1.5mm;2.7mm +
2-carpellate +
tawny +  and white +
persistent +
25 +  and 40 +
0.3 cm3 mm <br />0.003 m <br /> (0.44 cm4.4 mm <br />0.0044 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 Aug–Dec(–Feb). +
lanceolate +  and subulate +
styliferous +, neuter +  and pistillate +
bearing subulate enations +, hairy +  and bristly +
flat;slightly convex +
exalbuminous +
little-branched +
not brittle +
ascending +  and erect +
1 +  and 5 +
appendaged +  and truncate +
papillate +  and smooth +
Aster bracei +  and Symphyotrichum bracei +
Symphyotrichum tenuifolium var. aphyllum +
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 />) +
spatulate +  and oblanceolate-rhombic +