familyAsteraceae
tribeAsteraceae tribe Astereae
genusSymphyotrichum
subgenusSymphyotrichum subg. Virgulus
speciesSymphyotrichum patens
varietySymphyotrichum patens var. gracile

Symphyotrichum patens var. gracile

(Hooker) G. L. Nesom

Phytologia 77: 288. 1995.

Luc Brouillet, John C. Semple, Geraldine A. Allen, Kenton L. Chambers, Scott D. Sundberg†
Endemic
Basionym: Aster patens var. gracilis Hooker Compan. Bot. Mag. 1: 97. 1835
Synonyms: Aster patens var. tenuicaulis C. Mohr Aster tenuicaulis (Aiton) Reveal & Keener Virgulus patens var. gracilis (Hooker) Reveal & Keener
Treatment appears in FNA Volume 20. Treatment on page 489.

Plants slender (long-branched). Involucres campanulate, 5.5–6.5 mm. Phyllaries in 4–5 series, squarrose, acute to acuminate, densely strigillose, sparsely stipitate-glandular; mid 0.7–1 mm wide. 2n = 10, 20.


Phenology: Flowering late Aug–early Nov.
Habitat: Dry oak-pine and oak-hickory woodlands
Elevation: 0–800+ m

Distribution

V20-1098-distribution-map.gif

Ala., Ark., Fla., Ga., Kans., La., Md., Miss., Mo., N.C., Okla., S.C., Tenn., Tex., Va.

Discussion

Variety gracile is most common in the southwestern part of the species range, in the western Coastal Plains and Central Lowland, and is infrequent to the east. It is mostly diploid, some tetraploids occurring in Texas and Louisiana.

Selected References

None.

Lower Taxa

None.

"thick" is not a number.

... more about "Symphyotrichum patens var. gracile"
RDF feed
2n chromosome quantity
20 +  and 10 +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Apex architecture
foliaceous +
Apex coloration
purplish red +
Apex fusion
distinct +
Apex growth form or texture
herbaceous +
Apex orientation
appressed +  and squarrose +
Apex shape
acuminate;obtuse;acute +
Apex size
subequal +
Apex texture
scarious +
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
paniculiform +
Array development
indeterminate +  and determinate +
Author
Luc Brouillet +, John C. Semple +, Geraldine A. Allen +, Kenton L. Chambers +  and Scott D. Sundberg† +
Authority
(Hooker) G. L. Nesom +
Band architecture
continuous +
Band quantity
1 +
Basal leaf architecture
subpetiolate +
Basal leaf duration
deciduous +
Basal leaf life cycle
withering +
Basal leaf shape
linear-oblanceolate;obovate;oblanceolate +
Base architecture
cordate-clasping to auriculate-amplexicaul +
Base architecture or fixation
cordate-clasping +
Base shape
cuneate +
Base texture
indurate +
Basionyms
Aster patens var. gracilis +
Blade architecture
3-nerved +, subpetiolate +  and sessile +
Blade atypical length
7 cm70 mm <br />0.07 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Blade atypical width
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Blade length
1.5 cm15 mm <br />0.015 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
Blade life cycle
flowering +
Blade shape
ovate;spatulate;usually ovate;lanceolate +
Blade size
reduced +
Blade width
0.4 cm4 mm <br />0.004 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Body architecture or pubescence or relief
smooth +
Body architecture or shape
ribbed +
Body relief
rugulose +  and muricate +
Bract arrangement or course or shape
linear +
Bract orientation
appressed +  and spreading +
Bract some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Branch arrangement
divaricate +
Branch arrangement or course or shape
linear +
Branch structure in adjective form
stigmatic +
Bristle architecture
barbellulate +  and barbellate +
Bristle pappus duration
persistent +
Bristle shape
Attenuate (?) +
Calyculus presence
absent +
Caudex architecture
cormoid +
Caudex arrangement
tangled +
Caudex height or length or size
short +
Caudex texture
woody +
Caudex width
thick +
Cauline leaf architecture
sessile +
Corolla architecture
not 2-lipped +  and actinomorphic +
Corolla atypical some measurement
0.45 cm4.5 mm <br />0.0045 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
Corolla coloration
white turning purple +, cream +, yellow +, light lavender-violet +  and mauve rarely white +
Corolla height or length or size
at maturity , more or less ampliate , tubes usually shorter +
Corolla presence
absent +
Corolla some measurement
0.55 cm5.5 mm <br />0.0055 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
Cypsela architecture
7-10-nerved +
Cypsela architecture or shape
beaked +, 2-ribbed +  and 5-ribbed +
Cypsela coloration
brown +, purple +  and dull +
Cypsela growth form
dimorphic +
Cypsela pubescence
strigillose +
Cypsela shape
not compressed +, obovoid +  and oblong-obovoid +
Cypsela some measurement
2mm;3.5mm +
Disc-floret atypical quantity
50 (110) +
Disc-floret quantity
20 (50) +
Disc-floret reproduction
fertile +  and bisexual +
Disc corolla size
ampliate +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distal blade architecture
sessile +
Distribution
Ala. +, Ark. +, Fla. +, Ga. +, Kans. +, La. +, Md. +, Miss. +, Mo. +, N.C. +, Okla. +, S.C. +, Tenn. +, Tex. +  and Va. +
Elevation
0–800+ m +
Embryo course
straight +
Face architecture
eglandular +
Face pubescence
strigillose +, sericeous +, stipitate-glandular +, cinereo-puberulent +, hairy +  and scabroso-hirsute +
Face pubescence or relief
scabrous +
Face relief
rugulose +
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
Dry oak-pine and oak-hickory woodlands +
Head architecture
disciform +  and radiate +
Head architecture or arrangement
radiate +
Head arrangement
singly +
Head development
indeterminate +
Head reproduction
heterogamous +  and homogamous +
Illustration copyright
Flora of North America Association +
Illustrator
Bee F. Gunn +
Individual head architecture
each +  and sessile +
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
campanulate +
Involucre some measurement
0.55 cm5.5 mm <br />0.0055 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
Lamina atypical length
1.8 cm18 mm <br />0.018 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Lamina length
10mm;18mm +
Lamina width
1mm;3mm +
Leaf architecture
sessile +  and petiolate +
Leaf arrangement
alternate +
Leaf fragility
stiff +
Leaf position
cauline +  and basal +
Leaf pubescence or relief
scabrous +
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 or relief
erose +
Margin architecture or shape
entire +  and more or less serrulate +
Margin coloration
hyaline +
Margin pubescence
distally scabroso-ciliolate +  and ciliolate +
Margin pubescence or relief
scabrous +
Margin shape
entire +, crenate +  and serrate +
Margin texture
scarious +
Mid phyllarie width
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
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
rose-tinged +  and tawny +
Pappus duration
persistent +
Pappus quantity
25 +  and 40 +
Pappus some measurement
0.45 cm4.5 mm <br />0.0045 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
Pappus variability
equal +
Peduncle atypical some measurement
10 cm100 mm <br />0.1 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Peduncle orientation
ascending +
Peduncle pubescence
scabroso-hirsute +  and cinereo-puberulent +
Peduncle size
slender +
Peduncle some measurement
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Phenology
Flowering late Aug–early Nov. +
Phyllarie architecture
foliaceous +
Phyllarie duration
persistent +
Phyllarie fixation or orientation
often slightly recurved-spreading or squarrose +  and appressed +
Phyllarie fusion
distinct +
Phyllarie life cycle
falling +
Phyllarie orientation
squarrose +
Phyllarie pubescence
stipitate-glandular +  and strigillose +
Phyllarie quantity
20 (84) +
Phyllarie shape
acute +  and acuminate +
Phyllarie size
unequal +
Phyllarie texture
Herbaceous (Chartaceous or scarious) +
Proximal cauline blade architecture
sessile +
Publication title
Phytologia +
Publication year
1995 +
Ray-floret architecture
styliferous +, neuter +  and pistillate +
Ray-floret atypical quantity
36 (100) +
Ray-floret presence
absent +
Ray-floret quantity
12 (24) +
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 +
Rhizome length or size
long +
Root texture
fibrous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series architecture
pistillate +
Series atypical quantity
7 (8) +
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 1098.xml +
Special status
Endemic +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
branched +  and simple +
Stem fragility
brittle +
Stem growth form
vinelike +
Stem orientation
ascending +  and erect +
Stem pubescence
scabroso-hirsute +  and cinereo-puberulent or villous +
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 patens var. tenuicaulis +, Aster tenuicaulis +  and Virgulus patens var. gracilis +
Taxon family
Asteraceae +
Taxon name
Symphyotrichum patens var. gracile +
Taxon parent
Symphyotrichum patens +
Taxon rank
variety +
Terminal shoot life cycle
flowering +
Tube height or length or size
shorter +
Tube life cycle
maturity +
Tube size
ampliate +
Volume
Volume 20 +
Whole-organism architecture
with cormoid caudices +  and rhizomatous +
Whole-organism atypical some measurement
100 cm1,000 mm <br />1 m <br /> (120 cm1,200 mm <br />1.2 m <br />) +
Whole-organism duration
perennial +
Whole-organism growth form
cespitose +
Whole-organism pubescence
stipitate-glandular +
Whole-organism some measurement
10 cm100 mm <br />0.1 m <br /> (100 cm1,000 mm <br />1 m <br />) +
Whole organism growth form
plant +
Whole organism size
slender +
X chromosome quantity
4 +  and 5 +
Zone coloration
green +
Zone shape
diamond--shaped +