Erigeron pumilus var. pumilus

Treatment appears in FNA Volume 20. Treatment on page 289.
Revision as of 21:01, 29 July 2020 by imported>Volume Importer
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Well-developed setae, inner of 15–27 bristles, ray corollas white. disc corollas: indurate portions shiny, glabrous. pappi: outer of inconspicuous.


Phenology: Flowering May–Jul(–Aug).
Habitat: Prairies, open and dry slopes, often with sagebrush
Elevation: 1000–2600 m

Distribution

V20-603-distribution-map.gif

Alta., Sask., Colo., Kans., Mont., Nebr., N.Dak., S.Dak., Wash., Wyo.

Discussion

A report of var. pumilus from Yukon is based on a misidentification of Erigeron caespitosus.

Selected References

None.

Lower Taxa

None.

"thick" is not a number.

not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
paniculiform +, corymbiform +  and loose +
indeterminate +  and determinate +
Guy L. Nesom +
Nuttall +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
oblanceolate +  and narrowly oblanceolate +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
decurrent +
linear-lanceolate +
reduced +
rugulose +  and muricate +
not 2-lipped +  and actinomorphic +
bluish +, white +  and pink +
0.6 cm6 mm <br />0.006 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
subterete +, oblong +  and oblong-obovoid compressed +
fertile +  and bisexual +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
fertile +  and bisexual +
Alta. +, Sask. +, Colo. +, Kans. +, Mont. +, Nebr. +, N.Dak. +, S.Dak. +, Wash. +  and Wyo. +
1000–2600 m +
strigose +, hispid +  and hispido-hirsute +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Prairies, open and dry slopes, often with sagebrush +
disciform +  and discoid +
in loose , corymbiform or paniculiform arrays +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
turbinate;hemispheric +
0.7 cm7 mm <br />0.007 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
petiolate +  and sessile +
cauline +  and basal +
erect;spreading +
deltate +
not +  and scarious +
2-carpellate +
Flowering May–Jul(–Aug). +
3-nerved +  and 1-nerved +
hirsute +  and hispido-hirsute +
narrowly elliptic +  and linear-lanceolate +
Gen. N. Amer. Pl. +
bearing subulate enations +, hairy +  and bristly +
subulate +
exalbuminous +
well-developed +
branched +  and simple +
prostrate +  and decumbent +
stipitate-glandular +, hirsute +  and hispido-hirsute +
appendaged +  and truncate +
papillate +  and smooth +
Achaetogeron +  and Trimorpha +
Erigeron pumilus var. pumilus +
Erigeron pumilus +
variety +
inflated +  and tubular +
30 cm300 mm <br />0.3 m <br /> (50 cm500 mm <br />0.5 m <br />) +
5 cm50 mm <br />0.05 m <br /> (30 cm300 mm <br />0.3 m <br />) +
tree +, shrub +  and subshrub +