Symphyotrichum spathulatum var. intermedium

(A. Gray) G. L. Nesom

Phytologia 77: 292. 1995.

Endemic
Basionym: Aster occidentalis var. intermedius A. Gray in A. Gray et al., Syn. Fl. N. Amer. 1(2): 192. 1884
Synonyms: Aster vallicola Greene
Treatment appears in FNA Volume 20. Treatment on page 535.

Plants 40–80 cm. Leaves narrowly elliptic to oblanceolate. Heads 10–50 (–75). 2n = 32, 48.64.


Phenology: Flowering Jul–Aug.
Habitat: Grasslands and montane meadows, open coniferous forests
Elevation: 1200–2000 m

Distribution

V20-1193-distribution-map.gif

B.C., Calif., Idaho, Nev., Oreg., Wash.

Discussion

Variety intermedium is found mainly in the northern part of the species range and is only occasional in California and Nevada.

Selected References

None.

Lower Taxa

None.

"thin" is not a number.

48.64 +  and 32 +
not tailed +, rounded +  and obtuse +
distinct +
obtuse;acute;acute +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
corymbiform +  and paniculiform +
indeterminate +  and determinate +
Luc Brouillet +, John C. Semple +, Geraldine A. Allen +, Kenton L. Chambers +  and Scott D. Sundberg† +
(A. Gray) G. L. Nesom +
spatulate;oblanceolate elliptic or ovate +
cuneate +  and rounded +
indurate +
Aster occidentalis var. intermedius +
1-nerved +, subsessile +, sessile +  and petiolate +
elliptic +  and linear to narrowly +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
attenuate;narrowly elliptic;obovate +
reduced +
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
rugulose +  and muricate +
barbellulate +  and barbellate +
sessile +  and petiolate +
not 2-lipped +  and actinomorphic +
reddish +, yellow +  and violet +
at maturity , more or less ampliate , tubes usually shorter +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
strigillose +  and glabrous +
not compressed +, cylindric +  and obovoid +
fertile +  and bisexual +
fertile +  and bisexual +
B.C. +, Calif. +, Idaho +, Nev. +, Oreg. +  and Wash. +
1200–2000 m +
hairy +, puberulent +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Grasslands and montane meadows, open coniferous forests +
disciform +  and radiate +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.4 cm4 mm <br />0.004 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
campanulate +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
1.8 cm18 mm <br />0.018 m <br /> (2.1 cm21 mm <br />0.021 m <br />) +
2 (?) +  and 5 (?) +
sessile +  and petiolate +
cauline +  and basal +
narrowly elliptic;oblanceolate +
decurrent +
triangular +
not +  and hyaline +
ciliate +  and scabrous +
coarsely serrate +  and crenate or entire +
2-carpellate +
persistent +
25 +  and 40 +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Flowering Jul–Aug. +
linear to linear +  and oblong +
subpetiolate +  and sessile +
styliferous +, neuter +  and pistillate +
bearing subulate enations +, hairy +  and bristly +
flat;slightly convex +
exalbuminous +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.1mm;0.2mm +
branched +  and simple +
ascending +  and erect +
puberulent +  and glabrous +
1 +  and 5 +
appendaged +  and truncate +
papillate +  and smooth +
Aster vallicola +
Symphyotrichum spathulatum var. intermedium +
Symphyotrichum spathulatum +
variety +
funnelform-campanulate +  and cylindric +
at maturity , more or less ampliate , tubes usually shorter +
ampliate +
20 cm200 mm <br />0.2 m <br /> (80 cm800 mm <br />0.8 m <br />) +
elliptic +  and lanceolate +