Erigeron lassenianus var. lassenianus

Endemic
Synonyms: Erigeron flexuosus Cronquist
Treatment appears in FNA Volume 20. Treatment on page 282.
Revision as of 20:59, 29 July 2020 by imported>Volume Importer
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Ray (pistillate) florets 12–36.2n = 18.


Phenology: Flowering Jun–Sep.
Habitat: Open sites, forest openings, gravelly and brushy flats, mixed conifer forests, usually over serpentine or glacial moraine
Elevation: 600–2300 m

Discussion

Selected References

None.

Lower Taxa

None.
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 +
Greene +
12 cm120 mm <br />0.12 m <br /> (15 cm150 mm <br />0.15 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
5 cm50 mm <br />0.05 m <br /> (12 cm120 mm <br />0.12 m <br />) +
spatulate +, usually narrowly oblanceolate +  and linear +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
decurrent +
linear;lanceolate oblanceolate or spatulate +
rugulose +  and muricate +
not 2-lipped +  and actinomorphic +
pink +  and lavender or white +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
subterete +, oblong +  and oblong-obovoid compressed +
fertile +  and bisexual +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
fertile +  and bisexual +
600–2300 m +
strigose +, hirtellous +  and pilose +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Open sites, forest openings, gravelly and brushy flats, mixed conifer forests, usually over serpentine or glacial moraine +
disciform +  and discoid +
in loose , corymbiform or paniculiform arrays +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
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 /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
turbinate;hemispheric +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not +  and coiling +
petiolate +  and sessile +
cauline +  and basal +
erect;spreading +
deltate +
not +  and scarious +
2-carpellate +
Flowering Jun–Sep. +
3-nerved +  and 1-nerved +
villous +  and hirsuto-villous +
narrowly elliptic +  and linear-lanceolate +
Fl. Francisc., +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
branched +  and simple +
prostrate +  and decumbent +
loosely strigose +  and hirtellous +
appendaged +  and truncate +
papillate +  and smooth +
Erigeron flexuosus +
Erigeron lassenianus var. lassenianus +
Erigeron lassenianus +
variety +
inflated +  and tubular +
20 cm200 mm <br />0.2 m <br /> (35 cm350 mm <br />0.35 m <br />) +
9 cm90 mm <br />0.09 m <br /> (20 cm200 mm <br />0.2 m <br />) +
tree +, shrub +  and subshrub +