familyAsteraceae
tribeAsteraceae tribe Astereae
genusSymphyotrichum
subgenusSymphyotrichum subg. Astropolium
speciesSymphyotrichum tenuifolium
varietySymphyotrichum tenuifolium var. aphyllum

Symphyotrichum tenuifolium var. aphyllum

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

Sida 21: 905. 2004.

Luc Brouillet, John C. Semple, Geraldine A. Allen, Kenton L. Chambers, Scott D. Sundberg†
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.
Revision as of 20:00, 29 July 2020 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

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.

... more about "Symphyotrichum tenuifolium var. aphyllum"
RDF feed
2n chromosome quantity
10 +
Adaxial face pubescence
hairy +  and glabrous +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Apex architecture
sessile +  and petiolate +
Apex architecture or shape
entire +
Apex atypical length
8 cm80 mm <br />0.08 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Apex atypical width
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Apex fusion
distinct +
Apex growth form or texture
herbaceous +
Apex length
7mm;80mm +
Apex life cycle
flowering +
Apex shape
acute;acuminate;acuminate;acute +
Apex size
subequal +
Apex texture
scarious +
Apex width
1mm +  and 6mm +
Apical appendage quantity
0 +
Apical appendage shape
usually triangular +  and linear +
Appendage pubescence
hirsute +
Appendage relief
papillate +
Appendage shape
usually deltate +  and lanceolate +
Array architecture
spiciform +, racemiform +, paniculiform +  and corymbiform +
Array development
indeterminate +  and determinate +
Author
Luc Brouillet +, John C. Semple +, Geraldine A. Allen +, Kenton L. Chambers +  and Scott D. Sundberg† +
Authority
(R. W. Long) S. D. Sundberg +
Band architecture
continuous +
Band quantity
1 +
Basal leaf life cycle
withering +
Basal leaf shape
spatulate;ovate or obovate +
Base architecture
sessile +  and petiolate +
Base architecture or shape
entire +
Base atypical length
8 cm80 mm <br />0.08 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Base atypical width
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Base length
0.7 cm7 mm <br />0.007 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Base life cycle
flowering +
Base shape
rounded +, acuminate +  and acute +
Base texture
indurate +
Base width
1mm;6mm +
Basionyms
Aster tenuifolius var. aphyllus +
Blade architecture
sessile +  and petiolate +
Blade architecture or shape
entire +
Blade atypical length
8 cm80 mm <br />0.08 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Blade atypical width
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Blade length
1 cm10 mm <br />0.01 m <br /> (11 cm110 mm <br />0.11 m <br />) +
Blade life cycle
flowering +
Blade shape
narrowly lanceolate;subulate +
Blade width
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Body architecture or pubescence or relief
smooth +
Body architecture or shape
ribbed +
Body relief
rugulose +  and muricate +
Bract quantity
2;8 +
Bract shape
awl--shaped +
Branch arrangement or course or shape
linear +
Branch orientation
patent +
Branch structure in adjective form
stigmatic +
Bristle architecture
barbellulate +  and barbellate +
Bristle pappus duration
persistent +
Bristle shape
Attenuate (?) +
Calyculus presence
absent +
Cauline leaf architecture
sessile +  and subpetiolate +
Common name
Brace’s aster +
Corolla architecture
not 2-lipped +  and actinomorphic +
Corolla atypical some measurement
0.42 cm4.2 mm <br />0.0042 m <br /> (0.46 cm4.6 mm <br />0.0046 m <br />) +
Corolla coloration
yellow becoming purplish +, pink +  and white +
Corolla height or length or size
at maturity , more or less ampliate , tubes usually shorter +
Corolla presence
absent +
Corolla some measurement
0.34 cm3.4 mm <br />0.0034 m <br /> (0.42 cm4.2 mm <br />0.0042 m <br />) +
Cypsela architecture
5-6-nerved +
Cypsela architecture or shape
beaked +, 2-ribbed +  and 5-ribbed +
Cypsela atypical some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Cypsela coloration
light-brown +
Cypsela growth form
dimorphic +
Cypsela pubescence
glabrate +  and strigillose +
Cypsela shape
compressed +, narrowly obovoid +  and fusiform +
Cypsela some measurement
1.5mm;2mm +
Disc-floret atypical quantity
10 (13) +
Disc-floret quantity
13 (23) +
Disc-floret reproduction
fertile +  and bisexual +
Disc corolla size
ampliate +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distal leaf architecture
sessile +
Distribution
Fla. +, West Indies (Bahamas) +  and West Indies (Cuba) +
Elevation
0–10 m +
Embryo course
straight +
Face architecture
eglandular +
Face pubescence
strigillose +  and glabrous +
Filament fusion
distinct +
Floret architecture
pistillate +, staminate +  and neuter +
Floret atypical quantity
5;15 +
Floret position
proximal +
Floret quantity
1;5 +
Floret reproduction
bisexual +
Fruit architecture
winged +  and beaked +
Fruit condition or texture
dry +
Fruit density
dispersed +
Habitat
Coastal salt marshes, brackish marshes, low pine woods +
Head architecture
disciform +  and radiate +
Head architecture or arrangement
radiate +
Head arrangement
singly +
Head atypical quantity
20 (40) +
Head development
indeterminate +
Head quantity
3;20 +
Head reproduction
heterogamous +  and homogamous +
Illustration copyright
Flora of North America Association +
Illustrator
Bee F. Gunn +
Individual head architecture
each +  and sessile +
Involucre atypical some measurement
0.5 cm5 mm <br />0.005 m <br /> (0.53 cm5.3 mm <br />0.0053 m <br />) +
Involucre diameter
0.4 cm4 mm <br />0.004 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
Involucre position relational
surrounding +
Involucre shape
turbinate +
Involucre some measurement
0.41 cm4.1 mm <br />0.0041 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Lamina atypical length
0.85 cm8.5 mm <br />0.0085 m <br /> (0.95 cm9.5 mm <br />0.0095 m <br />) +
Lamina atypical width
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
Lamina length
5mm;8.5mm +
Lamina width
1.2mm;2mm +
Leaf architecture
sessile +  and petiolate +
Leaf arrangement
alternate +
Leaf position
cauline +  and basal +
Line quantity
2 +
Line shape
decurrent +
Lobe atypical quantity
4 (5) +
Lobe orientation
erect +
Lobe quantity
5 (?) +
Lobe shape
triangular +
Lobe some measurement
? (?) +
Margin architecture
sessile +
Margin architecture or relief
erose +
Margin architecture or shape
entire +
Margin atypical length
8 cm80 mm <br />0.08 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Margin atypical width
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Margin coloration
tinged with purple +  and hyaline +
Margin length
0.7 cm7 mm <br />0.007 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Margin life cycle
flowering +
Margin pubescence
ciliate +  and scabrous +
Margin shape
acuminate +  and acute +
Margin texture
scarious +
Margin width
1mm +  and 6mm +
Mid leaf width
1.5mm;2.7mm +
Nerve atypical quantity
2 (3) +
Nerve quantity
3 (5) +
Number of lower taxa
0 +
Outer phyllarie architecture
foliaceous +
Ovary architecture
2-carpellate +
Ovary architecture or structure in adjective form
1-locular +
Ovary position
inferior +
Ovule fixation
attached +
Ovule orientation
anatropous +
Ovule quantity
1 +
Pappus architecture
barbellate +
Pappus atypical quantity
40 (55) +
Pappus coloration
tawny +  and white +
Pappus duration
persistent +
Pappus quantity
25 +  and 40 +
Pappus some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.44 cm4.4 mm <br />0.0044 m <br />) +
Pappus variability
equal +
Peduncle atypical some measurement
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Peduncle some measurement
0.6 cm6 mm <br />0.006 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Phenology
Flowering Aug–Dec(–Feb). +
Phyllarie architecture
1(-3)-nerved +
Phyllarie duration
persistent +
Phyllarie fusion
distinct +
Phyllarie life cycle
falling +
Phyllarie quantity
20 (84) +
Phyllarie shape
lanceolate +  and subulate +
Phyllarie size
unequal +
Phyllarie texture
Herbaceous (Chartaceous or scarious) +
Proximal cauline leaf life cycle
withering +
Publication title
Sida +
Publication year
2004 +
Ray-floret architecture
styliferous +, neuter +  and pistillate +
Ray-floret atypical quantity
30 (54) +
Ray-floret presence
absent +
Ray-floret quantity
10 (16) +
Ray-floret reproduction
sterile +
Receptacle architecture
epaleate +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle relief
pitted +
Receptacle shape
flat;slightly convex +
Reference
None +
Root texture
fibrous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series architecture
pistillate +
Series atypical quantity
1 (3) +
Series quantity
4;5 +
Series reproduction
fertile +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V20 1079.xml +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
little-branched +
Stem fragility
not brittle +
Stem growth form
vinelike +
Stem orientation
ascending +  and erect +
Stem pubescence
hairy +  and glabrous +
Stem quantity
1 +  and 5 +
Style-branch appendage shape
lanceolate +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
glabrous +
Style quantity
1 +
Style relief
papillate +  and smooth +
Synonyms
Aster bracei +  and Symphyotrichum bracei +
Taxon family
Asteraceae +
Taxon name
Symphyotrichum tenuifolium var. aphyllum +
Taxon parent
Symphyotrichum tenuifolium +
Taxon rank
variety +
Tube height or length or size
at maturity , more or less ampliate , tubes usually shorter +
Tube life cycle
maturity +
Tube size
ampliate +
Tube variability
equaling +
Volume
Volume 20 +
Whole-organism architecture
rhizomatous +
Whole-organism atypical some measurement
60 cm600 mm <br />0.6 m <br /> (100 cm1,000 mm <br />1 m <br />) +
Whole-organism duration
perennial +
Whole-organism growth form
cespitose +  and colonial +
Whole-organism some measurement
40 cm400 mm <br />0.4 m <br /> (60 cm600 mm <br />0.6 m <br />) +
Whole organism architecture
short-rhizomatous +
Whole organism arrangement or growth form
clustered +
Whole organism atypical some measurement
80 cm800 mm <br />0.8 m <br /> (90 cm900 mm <br />0.9 m <br />) +
Whole organism growth form
plant +
Whole organism some measurement
30cm (80cm) +
X chromosome quantity
5 +
Zone coloration
green +
Zone shape
spatulate +  and oblanceolate-rhombic +