Erigeron eatonii var. eatonii

IllustratedEndemic
Treatment appears in FNA Volume 20. Treatment on page 280.

Stems 9–20 (–32) cm. Heads 1–2 (–7), held well beyond basal leaves. Involucres 4.5–6 × 10–13 (–16). Phyllaries sparsely villous (hairs mostly 0.3–0.8 mm), minutely glandular. Rays: laminae 5–7 mm. Disc corollas 3–4 (–5) mm. Cypselae 1.7–2.4 mm; pappi of 16–20 bristles 3–3.5 mm. 2n = 18.


Phenology: Flowering May–Aug.
Habitat: Open, grassy sites, with sagebrush, pinyon-juniper, pine-oak, aspen-conifer
Elevation: 1600–3000(–3700) m

Distribution

V20-571-distribution-map.gif

Ariz., Colo., Idaho, Mont., Nev., Utah, Wyo.

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 +
A. Gray +
11 cm110 mm <br />0.11 m <br /> (19 cm190 mm <br />0.19 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
5 cm50 mm <br />0.05 m <br /> (11 cm110 mm <br />0.11 m <br />) +
linear +  and oblanceolate +
0.2 cm2 mm <br />0.002 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
decurrent +
linear;lanceolate oblanceolate or spatulate +
rugulose +  and muricate +
0.3 cm3 mm <br />0.003 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
branched +  and simple +
not 2-lipped +  and actinomorphic +
0.8 cm8 mm <br />0.008 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
pink +  and bluish or purple +
0.5 cm5 mm <br />0.005 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 +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
fertile +  and bisexual +
Ariz. +, Colo. +, Idaho +, Mont. +, Nev. +, Utah +  and Wyo. +
1600–3000(–3700) m +
strigose +, loosely strigose +  and sparsely hirsuto-villous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Open, grassy sites, with sagebrush, pinyon-juniper, pine-oak, aspen-conifer +
disciform +  and discoid +
in loose , corymbiform or paniculiform arrays +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
1.4 cm14 mm <br />0.014 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
turbinate;hemispheric +
0.8 cm8 mm <br />0.008 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
not coiling +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
petiolate +  and sessile +
cauline +  and basal +
erect;spreading +
deltate +
Not (?) +  and Scarious (?) +
2-carpellate +
Flowering May–Aug. +
3-nerved +  and 1-nerved +
narrowly elliptic +  and linear-lanceolate +
Notes Compositae, +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
Illustrated +  and Endemic +
branched +  and simple +
prostrate +  and decumbent +
erect +  and ascending or decumbent +
9 cm90 mm <br />0.09 m <br /> (20 cm200 mm <br />0.2 m <br />) +
appendaged +  and truncate +
papillate +  and smooth +
Achaetogeron +  and Trimorpha +
Erigeron eatonii var. eatonii +
Erigeron eatonii +
variety +
inflated +  and tubular +
23 cm230 mm <br />0.23 m <br /> (33 cm330 mm <br />0.33 m <br />) +
4 cm40 mm <br />0.04 m <br /> (23 cm230 mm <br />0.23 m <br />) +
tree +, shrub +  and subshrub +