Symphyotrichum subulatum var. elongatum

(Bosserdet ex A. G. Jones & Lowry) S. D. Sundberg

Sida 21: 907. 2004.

Common names: Bahaman aster
Basionym: Aster subulatus var. elongatus Bosserdet ex A. G. Jones & Lowry Taxon 19: 250. 1970
Synonyms: Aster bahamensis Britton Aster subulatus var. bahamensis (Britton) Bosserdet Symphyotrichum bahamense
Treatment appears in FNA Volume 20. Treatment on page 482. Mentioned on page 481.

Plants 30–200 cm. Stems usually simple, often with leafy branches proximally. Heads 15–130, in open, diffuse arrays, on primary branches longer than peduncles. Involucres 6–7 (–8.1) mm. Phyllaries 21–35 (–40), subulate to lanceolate, narrow, green zones narrowly lanceolate. Ray-florets 30–54 in (2–) 3 series; laminae pink to lavender, (2–) 2.5–3.5 (–4.2) × 0.3–0.6 mm, longer than pappi, drying in 2–3 (–4) (apices shallowly lobed). Disc-florets 11–23; corollas 4.3–5.2 mm. Cypselae 1.3–2.5 (–2.9); pappi (3.2–) 3.6–5 mm. 2n = 20.


Phenology: Flowering Aug–Jan.
Habitat: Disturbed roadsides, marshy habitats, coastal salt marshes
Elevation: 0–10 m

Distribution

V20-1084-distribution-map.gif

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

Discussion

Variety elongatum is adventive in California.

Selected References

None.

Lower Taxa

None.

"thin" is not a number.

not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Luc Brouillet +, John C. Semple +, Geraldine A. Allen +, Kenton L. Chambers +  and Scott D. Sundberg† +
(Bosserdet ex A. G. Jones & Lowry) S. D. Sundberg +
sessile +, subpetiolate +, petiolate +  and long-petiolate +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
subentire +, attenuate +, subulate +, lanceolate +, rounded +  and cuneate +
indurate +
1.5mm;10mm +
Aster subulatus var. elongatus +
sessile +, subpetiolate +, petiolate +  and long-petiolate +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (11.3 cm113 mm <br />0.113 m <br />) +
narrowly lanceolate;subulate +
0.5mm;5.5mm +
rugulose +  and muricate +
barbellulate +  and barbellate +
sessile +  and subpetiolate +
Bahaman aster +
not 2-lipped +  and actinomorphic +
tinged with purple +, lavender +, pink +  and white +
at maturity , more or less ampliate , tubes usually shorter +
0.43 cm4.3 mm <br />0.0043 m <br /> (0.52 cm5.2 mm <br />0.0052 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
0.27 cm2.7 mm <br />0.0027 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
light-brown +  and purple +
glabrate +  and strigillose +
1.3 +  and 2.5 +
compressed +, narrowly obovoid +  and fusiform +
fertile +  and bisexual +
fertile +  and bisexual +
Calif. +, Fla. +, Ga. +, West Indies (Bahamas) +  and West Indies (Cuba) +
0–10 m +
strigillose +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Disturbed roadsides, marshy habitats, coastal salt marshes +
disciform +  and radiate +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.7 cm7 mm <br />0.007 m <br /> (0.81 cm8.1 mm <br />0.0081 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
cylindric;turbinate +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.42 cm4.2 mm <br />0.0042 m <br />) +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
pink +  and lavender +
2.5mm;3.5mm +
0.3mm;0.6mm +
sessile +  and petiolate +
cauline +  and basal +
decurrent +
less spreading;erect +
triangular +
sessile +, subpetiolate +, petiolate +  and long-petiolate +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
purple-tinged +  and hyaline +
20mm;100mm +
strigilloso-ciliolate +
subentire +, attenuate +, subulate +, lanceolate +, rounded +  and cuneate +
1.5mm +  and 10mm +
2-carpellate +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.36 cm3.6 mm <br />0.0036 m <br />) +
persistent +
25 +  and 40 +
0.36 cm3.6 mm <br />0.0036 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Flowering Aug–Jan. +
subulate +  and lanceolate +
styliferous +, neuter +  and pistillate +
bearing subulate enations +, hairy +  and bristly +
flat;slightly convex +
exalbuminous +
not brittle +
appendaged +  and truncate +
papillate +  and smooth +
Aster bahamensis +, Aster subulatus var. bahamensis +  and Symphyotrichum bahamense +
Symphyotrichum subulatum var. elongatum +
Symphyotrichum subulatum +
variety +
at maturity , more or less ampliate , tubes usually shorter +
ampliate +
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
30 cm300 mm <br />0.3 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
lanceolate +