Erigeron eatonii var. sonnei

(Greene) G. L. Nesom

Phytologia 73: 190. 1992.

Endemic
Basionym: Erigeron sonnei Greene Pittonia 1: 218. 1888
Synonyms: Erigeron nevadensis var. sonnei (Greene) Smiley
Treatment appears in FNA Volume 20. Treatment on page 280.

Stems 4–12 (–21) cm. Heads 1 (–2), held just beyond to well beyond basal leaves. Involucres 4.5–8 × 8–12 (–16) mm. Phyllaries hirsutulous to villous (hairs 0.5–1.5 mm), eglandular. Ray laminae 4.5–6.6 (–8.5) mm. Disc corollas 3.5–5 mm. Cypselae 2.8–3.5 mm; pappi of 18–30 bristles 3.5–5 mm. 2n = 18.


Phenology: Flowering May–Sep.
Habitat: Meadows, seeps, rocky flats, often with sagebrush
Elevation: 1800–2800 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) G. L. Nesom +
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 +
Erigeron sonnei +
linear;lanceolate oblanceolate or spatulate +
rugulose +  and muricate +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 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 +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
fertile +  and bisexual +
Calif. +  and Nev. +
1800–2800 m +
strigose +, loosely strigose +  and sparsely hirsuto-villous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Meadows, seeps, rocky flats, often with sagebrush +
disciform +  and discoid +
in loose , corymbiform or paniculiform arrays +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
1.2 cm12 mm <br />0.012 m <br /> (1.6 cm16 mm <br />0.016 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 /> (1.2 cm12 mm <br />0.012 m <br />) +
not coiling +
petiolate +  and sessile +
cauline +  and basal +
erect;spreading +
deltate +
Not (?) +  and Scarious (?) +
2-carpellate +
Flowering May–Sep. +
hirsutulous +  and villous +
narrowly elliptic +  and linear-lanceolate +
0.66 cm6.6 mm <br />0.0066 m <br /> (0.85 cm8.5 mm <br />0.0085 m <br />) +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.66 cm6.6 mm <br />0.0066 m <br />) +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
branched +  and simple +
prostrate +  and decumbent +
erect +  and ascending or decumbent +
4 cm40 mm <br />0.04 m <br /> (12 cm120 mm <br />0.12 m <br />) +
appendaged +  and truncate +
papillate +  and smooth +
Erigeron nevadensis var. sonnei +
Erigeron eatonii var. sonnei +
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 +