Erigeron eatonii var. lavandulus

Strother & Ferlatte

Madroño 35: 83, fig. 2. 1988.

Endemic
Synonyms: Erigeron pacificus Howell
Treatment appears in FNA Volume 20. Treatment on page 281. Mentioned on page 280.

Stems 5–12 (–22) cm. Heads (1–) 2–4 (–6), held slightly if at all beyond basal leaves. Involucres (4.5–) 5–7 × 9–13 mm. Phyllaries sparsely to moderately villous (hairs 0.5–1.5 mm), minutely glandular. Ray laminae 5.5–8 (–9) mm. Disc corollas 2.5–3.5 mm. Cypselae 1.8–2.2 mm; pappi of 12–20 bristles 4–5 mm. 2n = 18.


Phenology: Flowering May–Aug.
Habitat: Open grasslands and meadows, mostly in sagebrush scrub on scablands
Elevation: 900–1900(–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 +
Strother & Ferlatte +
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 +
0.4 cm4 mm <br />0.004 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 +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
fertile +  and bisexual +
Idaho +  and Oreg. +
900–1900(–2300) m +
strigose +, loosely strigose +  and sparsely hirsuto-villous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Open grasslands and meadows, mostly in sagebrush scrub on scablands +
disciform +  and discoid +
in loose , corymbiform or paniculiform arrays +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
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 />) +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
turbinate;hemispheric +
0.9 cm9 mm <br />0.009 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
not coiling +
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 +
0.8 cm8 mm <br />0.008 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
branched +  and simple +
prostrate +  and decumbent +
erect +  and ascending or decumbent +
5 cm50 mm <br />0.05 m <br /> (12 cm120 mm <br />0.12 m <br />) +
appendaged +  and truncate +
papillate +  and smooth +
Erigeron pacificus +
Erigeron eatonii var. lavandulus +
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 +