Doellingeria umbellata var. pubens

(A. Gray) Britton in N. L. Britton and A. Brown

in N. L. Britton and A. Brown, Ill. Fl. N. U.S. 3: 392. 1898.

Common names: Aster pubescent
Endemic
Basionym: Aster umbellatus var. pubens A. Gray in A. Gray et al., Syn. Fl. N. Amer. 1(2): 197. 1884
Synonyms: Aster pubentior Cronquist Doellingeria pubens (A. Gray) Rydberg Doellingeria umbellata subsp. pubens (A. Gray) Á. Löve & D. Löve
Treatment appears in FNA Volume 20. Treatment on page 44.

Plants 50–120 cm. Leaves densely puberulent (more than 12 hairs/mm2), abaxially moderately to densely canescent (indument often dense over entire plant). Phyllaries sparsely piloso-villous, sometimes more densely apically. 2n = 18.


Phenology: Flowering late summer–fall.
Habitat: Moist soils, clearings, thickets, margins of forests and near streams, prairies
Elevation: 100–500(–700) m

Distribution

V20-59-distribution-map.gif

Alta., Man., Ont., Que., Sask., Ill., Iowa, Mich., Minn., Nebr., N.Dak., Wis.

Discussion

Disjunct populations of var. pubens are found in Alberta. The indument is often dense over the entire plant. The leaves are moderately to densely canescent abaxially.

Selected References

None.

Lower Taxa

None.

"[" is not declared as a valid unit of measurement for this property."]" is not declared as a valid unit of measurement for this property.

not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
flat-topped +
John C. Semple +  and Jerry G. Chmielewski +
(A. Gray) Britton in N. L. Britton and A. Brown +
attenuate +
Aster umbellatus var. pubens +
compound +  and simple +
11 cm110 mm <br />0.11 m <br /> (15 cm150 mm <br />0.15 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
6 cm60 mm <br />0.06 m <br /> (11 cm110 mm <br />0.11 m <br />) +
reduced +
13mm;25mm +
rugulose +  and muricate +
linear-lanceolate +  and elliptic +
white +  and tan +
Aster pubescent +
not 2-lipped +  and actinomorphic +
pale-yellow +  and white +
ampliate +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
compressed +, terete +  and narrowly obconic +
fertile +  and bisexual +
fertile +  and bisexual +
Alta. +, Man. +, Ont. +, Que. +, Sask. +, Ill. +, Iowa +, Mich. +, Minn. +, Nebr. +, N.Dak. +  and Wis. +
100–500(–700) m +
hairy +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Moist soils, clearings, thickets, margins of forests and near streams, prairies +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
cylindro-campanulate +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.23 cm12.3 mm <br />0.0123 m <br />) +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.27 cm2.7 mm <br />0.0027 m <br />) +
1.2mm;1.8mm +
cauline +  and basal +
canescent +  and puberulent +
spreading;reflexed +
deltate +
not swollen +
2-carpellate +
persistent +
inner +  and outer +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.62 cm6.2 mm <br />0.0062 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering late summer–fall. +
piloso-villous +
triangular-lanceolate +
in N. L. Britton and A. Brown, Ill. Fl. N. U.S. +
bearing subulate enations +, hairy +  and bristly +
linear +  and subulate +
exalbuminous +
eglandular +  and simple +
ascending +  and erect +
1 +  and 10 +
appendaged +  and truncate +
papillate +  and smooth +
Aster pubentior +, Doellingeria pubens +  and Doellingeria umbellata subsp. pubens +
Doellingeria umbellata var. pubens +
Doellingeria umbellata +
variety +
40 cm400 mm <br />0.4 m <br /> (200 cm2,000 mm <br />2 m <br />) +
dark green +