familyAsteraceae
tribeAsteraceae tribe Astereae
genusSymphyotrichum
subgenusSymphyotrichum subg. Symphyotrichum
sectionSymphyotrichum sect. Occidentales
speciesSymphyotrichum spathulatum
varietySymphyotrichum spathulatum var. spathulatum

Symphyotrichum spathulatum var. spathulatum

Luc Brouillet, John C. Semple, Geraldine A. Allen, Kenton L. Chambers, Scott D. Sundberg†
Synonyms: Aster occidentalis (Nuttall) Torrey & A. Gray
Treatment appears in FNA Volume 20. Treatment on page 535.

Plants 20–50 (–60) cm. Leaves narrowly elliptic to oblanceolate. Heads 3–10 (–20). 2n = 16, 32, 48, 64.


Phenology: Flowering Jul–Aug.
Habitat: Montane meadows, open aspen and coniferous forests
Elevation: (100–)1200–2900 m

Distribution

V20-1194-distribution-map.gif

Alta., B.C., N.W.T., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wash., Wyo., Mexico (Baja California)

Discussion

Selected References

None.

Lower Taxa

None.

"thin" is not a number.

... more about "Symphyotrichum spathulatum var. spathulatum"
RDF feed
2n chromosome quantity
64 +, 48 +, 32 +  and 16 +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Apex architecture
foliaceous +
Apex fusion
distinct +
Apex growth form or texture
herbaceous +
Apex shape
obtuse;acute;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
corymbiform +  and paniculiform +
Array development
indeterminate +  and determinate +
Author
Luc Brouillet +, John C. Semple +, Geraldine A. Allen +, Kenton L. Chambers +  and Scott D. Sundberg† +
Authority
(Lindley) G. L. Nesom +
Band architecture
continuous +
Band quantity
1 +
Basal leaf architecture
petiolate +
Basal leaf duration
persistent +
Basal leaf life cycle
withering +
Basal leaf shape
spatulate;oblanceolate elliptic or ovate +
Base architecture or fixation
clasping +
Base shape
cuneate +  and rounded +
Base texture
indurate +
Basionyms
Aster spathulatus +
Blade architecture
1-nerved +, subsessile +, sessile +  and petiolate +
Blade arrangement or shape
elliptic +  and linear to narrowly +
Blade length
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Blade life cycle
flowering +
Blade shape
attenuate;narrowly elliptic;obovate +
Blade size
reduced +
Blade width
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Body architecture or pubescence or relief
smooth +
Body architecture or shape
ribbed +
Body relief
rugulose +  and muricate +
Bract quantity
0;3 +
Branch arrangement or course or shape
linear +
Branch quantity
few +
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 petiolate +
Corolla architecture
not 2-lipped +  and actinomorphic +
Corolla coloration
reddish +, yellow +  and violet +
Corolla height or length or size
at maturity , more or less ampliate , tubes usually shorter +
Corolla presence
absent +
Corolla some measurement
0.45 cm4.5 mm <br />0.0045 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Cypsela architecture
4-nerved +
Cypsela architecture or shape
beaked +, 2-ribbed +  and 5-ribbed +
Cypsela coloration
brown +
Cypsela growth form
dimorphic +
Cypsela pubescence
strigillose +  and glabrous +
Cypsela shape
not compressed +, cylindric +  and obovoid +
Cypsela some measurement
2.5mm;3.5mm +
Disc-floret atypical quantity
80 (100) +
Disc-floret quantity
30 (80) +
Disc-floret reproduction
fertile +  and bisexual +
Disc-floret variability
equaling +
Disc corolla size
ampliate +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distal blade architecture
sessile +
Distribution
Alta. +, B.C. +, N.W.T. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, Utah +, Wash. +, Wyo. +  and Mexico (Baja California) +
Elevation
(100–)1200–2900 m +
Embryo course
straight +
Face architecture
eglandular +
Face pubescence
hairy +, puberulent +  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
Montane meadows, open aspen and coniferous forests +
Head architecture
disciform +  and radiate +
Head architecture or arrangement
radiate +
Head arrangement
singly +
Head atypical quantity
10 (20) +
Head development
indeterminate +
Head quantity
3;10 +
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
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Lamina atypical length
1.8 cm18 mm <br />0.018 m <br /> (2.1 cm21 mm <br />0.021 m <br />) +
Lamina length
9mm;15mm +
Lamina quantity
2 (?) +  and 5 (?) +
Lamina width
1mm;2mm +
Leaf architecture
sessile +  and petiolate +
Leaf arrangement
alternate +
Leaf position
cauline +  and basal +
Leaf shape
narrowly elliptic;oblanceolate +
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 +
Margin coloration
not +  and hyaline +
Margin pubescence
ciliate +  and scabrous +
Margin shape
coarsely serrate +  and crenate or entire +
Margin texture
scarious +
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
whitish +
Pappus duration
persistent +
Pappus height or length or size
shorter +
Pappus quantity
25 +  and 40 +
Pappus some measurement
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Pappus variability
equal +
Peduncle pubescence
hairy +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Phenology
Flowering Jul–Aug. +
Phyllarie architecture
1(-3)-nerved +
Phyllarie duration
persistent +
Phyllarie fusion
distinct +
Phyllarie life cycle
falling +
Phyllarie quantity
20 (84) +
Phyllarie shape
linear to linear +  and oblong +
Phyllarie size
unequal +
Phyllarie texture
Herbaceous (Chartaceous or scarious) +
Proximal cauline blade architecture
subpetiolate +  and sessile +
Publication title
Phytologia +
Publication year
1995 +
Ray-floret architecture
styliferous +, neuter +  and pistillate +
Ray-floret atypical quantity
35 (75) +
Ray-floret presence
absent +
Ray-floret quantity
15 (40) +
Ray-floret reproduction
sterile +
Ray floret atypical quantity
50 (60) +
Ray floret quantity
14 (110) +
Ray floret size
reduced +
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 length
0.45 cm4.5 mm <br />0.0045 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Series quantity
3;5 +
Series reproduction
fertile +
Series width
0.1mm;0.2mm +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V20 1194.xml +
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
puberulent +  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 occidentalis +
Taxon family
Asteraceae +
Taxon name
Symphyotrichum spathulatum var. spathulatum +
Taxon parent
Symphyotrichum spathulatum +
Taxon rank
variety +
Throat shape
funnelform-campanulate +  and cylindric +
Tube height or length or size
at maturity , more or less ampliate , tubes usually shorter +
Tube life cycle
maturity +
Tube size
ampliate +
Volume
Volume 20 +
Whole-organism architecture
long-rhizomatous +
Whole-organism duration
perennial +
Whole-organism growth form
colonial +
Whole-organism some measurement
20 cm200 mm <br />0.2 m <br /> (80 cm800 mm <br />0.8 m <br />) +
Whole organism atypical some measurement
50 cm500 mm <br />0.5 m <br /> (60 cm600 mm <br />0.6 m <br />) +
Whole organism growth form
plant +
Whole organism some measurement
20cm (50cm) +
X chromosome quantity
8 +
Zone coloration
green +
Zone shape
elliptic +  and lanceolate +