Erigeron sionis var. sionis

Treatment appears in FNA Volume 20. Treatment on page 343. Mentioned on page 344.

Basal leaves: blades and/or lobes 1–3 (–4) mm wide, margins usually with linear-oblanceolate lobes, less commonly entire to dentate. Ray corollas drying white to pink or light lavender. 2n = 18, 36.


Phenology: Flowering May–Sep.
Habitat: Sandstone, crevices and shallow soil accumulations between bedding planes, ponderosa pine, pinyon-juniper, Douglas fir–maple, oak-maple
Elevation: 1200–2300 m

Discussion

Of conservation concern.

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 +
Cronquist +
5 cm50 mm <br />0.05 m <br /> (76 cm760 mm <br />0.76 m <br />) +
oblanceolate +  and oblanceolate-spatulate +
0.1 cm1 mm <br />0.001 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
decurrent +
linear;lanceolate oblanceolate or spatulate +
rugulose +  and muricate +
persistent +
stoloniform +
lignescent +
not 2-lipped +  and actinomorphic +
pink +  and lavender or blue +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
subterete +, oblong +  and oblong-obovoid compressed +
fertile +  and bisexual +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
fertile +  and bisexual +
1200–2300 m +
strigose +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Sandstone, crevices and shallow soil accumulations between bedding planes, ponderosa pine, pinyon-juniper, Douglas fir–maple, oak-maple +
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 />) +
0.2 cm2 mm <br />0.002 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
turbinate;hemispheric +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
not coiling +
petiolate +  and sessile +
cauline +  and basal +
erect;spreading +
linear-oblanceolate +
0.1 cm1 mm <br />0.001 m <br /> (?) +  and 0.3 cm3 mm <br />0.003 m <br /> (?) +
less commonly entire +  and dentate +
3-5-lobed +
not +  and scarious +
2-carpellate +
Flowering May–Sep. +
3-nerved +  and 1-nerved +
moderately hirsute +  and hirtellous +
narrowly elliptic +  and linear-lanceolate +
white +  and pink or light lavender +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
Illustrated +, Endemic +  and Conservation concern +
branched +  and simple +
prostrate +  and decumbent +
erect +  and ascending or decumbent +
strigose +  and glabrous +
appendaged +  and truncate +
papillate +  and smooth +
Achaetogeron +  and Trimorpha +
Erigeron sionis var. sionis +
Erigeron sionis +
variety +
inflated +  and tubular +
fibrous-rooted +  and taprooted +
90 cm900 mm <br />0.9 m <br /> (100 cm1,000 mm <br />1 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (25 cm250 mm <br />0.25 m <br />) +
tree +, shrub +  and subshrub +