Symphyotrichum pilosum var. pringlei

(A. Gray) G. L. Nesom

Phytologia 77: 289. 1995.

Common names: Pringle’s aster aster de Pringle
Endemic
Basionym: Aster ericoides var. pringlei A. Gray in A. Gray et al., Syn. Fl. N. Amer. 1(2): 184. 1884
Synonyms: Aster pilosus var. demotus S. F. Blake Aster pringlei (A. Gray) N. L. Britton
Treatment appears in FNA Volume 20. Treatment on page 512. Mentioned on page 511.

Stems glabrous. Leaves glabrous or glabrate. 2n = 48.


Phenology: Flowering Aug–Oct.
Habitat: Calciphile, limestone pavements, calcareous sandy or gravelly shores and beaches of lake and streams, interdunal flats and swales, rarely fens, fields
Elevation: 0–1100+ m

Distribution

V20-1143-distribution-map.gif

N.S., Ont., Que., Conn., Del., D.C., Ill., Ind., Ky., Maine, Md., Mass., Mich., Minn., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., Vt., Va., W.Va., Wis.

Discussion

Variety pringlei may sometimes be confused with Symphyotrichum priceae, which is distinguished by its larger heads and purple rays. Plants identified as Aster pilosus var. demotus are tall phenotypes induced by ecologic conditions.

Selected References

None.

Lower Taxa

None.

"thin" is not a number.

not tailed +, rounded +  and obtuse +
petiolate +  and subpetiolate +
spinulose +, hyaline-spinulose +  and crenate-serrate +
distinct +
1 cm10 mm <br />0.01 m <br /> (6 cm60 mm <br />0.06 m <br />) +
subequal +
scarious +
5mm +  and 15mm +
usually triangular +  and linear +
usually deltate +  and lanceolate +
paniculiform +, leafy +  and open +
indeterminate +  and determinate +
pyramidal +
Luc Brouillet +, John C. Semple +, Geraldine A. Allen +, Kenton L. Chambers +  and Scott D. Sundberg† +
(A. Gray) G. L. Nesom +
petiolate +  and subpetiolate +
1 cm10 mm <br />0.01 m <br /> (6 cm60 mm <br />0.06 m <br />) +
cuneate +  and attenuate +
indurate +
5mm;15mm +
Aster ericoides var. pringlei +
subpetiolate +  and subsessile +
1 cm10 mm <br />0.01 m <br /> (10 cm100 mm <br />0.1 m <br />) +
lance-oblong;linear-lanceolate +
reduced +
1mm;8mm +
rugulose +  and muricate +
spreading +, appressed +  and ascending +
mucronate +  and apiculate +
racemiform +  and secund +
barbellulate +  and barbellate +
long-rhizomatous +  and branched +
sessile +  and petiolate +
Pringle’s aster +  and aster de Pringle +
not 2-lipped +  and actinomorphic +
0.41 cm4.1 mm <br />0.0041 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
light yellow becoming reddish purple or brown +, bluish +, pinkish +  and white +
at maturity , more or less ampliate , tubes usually shorter +
0.3 cm3 mm <br />0.003 m <br /> (0.41 cm4.1 mm <br />0.0041 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
gray +  and whitish +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
strigillose +  and glabrous +
compressed +  and oblong-obovoid +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
fertile +  and bisexual +
fertile +  and bisexual +
N.S. +, Ont. +, Que. +, Conn. +, Del. +, D.C. +, Ill. +, Ind. +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, Vt. +, Va. +, W.Va. +  and Wis. +
0–1100+ m +
strigillose +, hirsutulous +, glabrous +  and hirsute +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Calciphile, limestone pavements, calcareous sandy or gravelly shores and beaches of lake and streams, interdunal flats and swales, rarely fens, fields +
disciform +  and radiate +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.51 cm5.1 mm <br />0.0051 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
campanulate;cylindro-campanulate +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.51 cm5.1 mm <br />0.0051 m <br />) +
0.75 cm7.5 mm <br />0.0075 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.17 cm1.7 mm <br />0.0017 m <br />) +
5.4mm;7.5mm +
2 (?) +  and 5 (?) +
0.8mm;1.3mm +
sessile +  and petiolate +
cauline +  and basal +
glabrate +  and glabrous +
decurrent +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
reflexed;spreading;erect +
lanceolate +
petiolate +  and subpetiolate +
serrulate +, entire +  and crenate-serrate +
10mm;60mm +
obtuse +  and rounded +
5mm +  and 15mm +
2-carpellate +
persistent +
25 +  and 40 +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
hispid +  and glabrous +
0.5 cm5 mm <br />0.005 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Flowering Aug–Oct. +
spreading +  and appressed +
oblong-lanceolate +  and linear +
4 cm40 mm <br />0.04 m <br /> (10.2 cm102 mm <br />0.102 m <br />) +
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 +
1 +  and 5 +
appendaged +  and truncate +
papillate +  and smooth +
Aster pilosus var. demotus +  and Aster pringlei +
Symphyotrichum pilosum var. pringlei +
Symphyotrichum pilosum +
variety +
funnelform-campanulate +  and cylindric +
ampliate +
120 cm1,200 mm <br />1.2 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
20 cm200 mm <br />0.2 m <br /> (120 cm1,200 mm <br />1.2 m <br />) +
tree +, shrub +  and subshrub +
lanceolate +  and lance-rhombic +