Erigeron latus

(A. Nelson & J. F. Macbride) Cronquist

Brittonia 6: 192. 1947.

Common names: Broad fleabane
Endemic
Basionym: Erigeron poliospermus var. latus A. Nelson & J. F. Macbride Bot. Gaz. 55: 383. 1913
Treatment appears in FNA Volume 20. Treatment on page 288. Mentioned on page 271.

Perennials, 3–8 cm; taprooted, caudices branched. Stems erect, sparsely hirsuto-villous (hairs equal), densely minutely glandular. Leaves mostly basal (persistent; petioles prominently ciliate, hairs spreading, thick-based); blades oblanceolate-spatulate to oblanceolate, 30–60 × 3–6 mm, cauline usually abruptly reduced distally, margins entire, coarsely ciliate, faces hirsute to hirsuto-villous, densely minutely glandular. Heads 1. Involucres 8–10 × 10–20 mm wide. Phyllaries in 2–3 series, sparsely hirsuto-villous, densely minutely glandular. Ray-florets 15–25; corollas pinkish to purple, 7–10 mm, laminae coiling. Disc corollas 4.5–6 mm. Cypselae 3.5–4.5 mm, 2 (–3) -nerved, faces sparsely strigose to glabrate; pappi: outer sometimes of setae, sometimes 0, inner of 20–27 bristles.


Phenology: Flowering May–Jul(–Aug).
Habitat: Flat to gently sloping, open sites with shallow, gravelly soils over bedrock, volcanic sands and cinder, often with sagebrush or sagebrush-juniper, rhyolitic riparian areas
Elevation: 1400–2200 m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Erigeron latus"
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. Nelson & J. F. Macbride) Cronquist +
decurrent +
Erigeron poliospermus var. latus +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
oblanceolate-spatulate;oblanceolate +
3mm;6mm +
rugulose +  and muricate +
Broad fleabane +
not 2-lipped +  and actinomorphic +
pinkish +  and purple +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
subterete +, oblong +  and oblong-obovoid compressed +
fertile +  and bisexual +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
fertile +  and bisexual +
Idaho +  and Nev. +
1400–2200 m +
sparsely strigose +  and glabrate +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Flat to gently sloping, open sites with shallow, gravelly soils over bedrock, volcanic sands and cinder, often with sagebrush or sagebrush-juniper, rhyolitic riparian areas +
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 />) +
turbinate;hemispheric +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
petiolate +  and sessile +
erect;spreading +
deltate +
Not (?) +  and Scarious (?) +
2-carpellate +
Flowering May–Jul(–Aug). +
3-nerved +  and 1-nerved +
hirsuto-villous +
narrowly elliptic +  and linear-lanceolate +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
branched +  and simple +
prostrate +  and decumbent +
appendaged +  and truncate +
papillate +  and smooth +
Achaetogeron +  and Trimorpha +
Erigeron latus +
Erigeron +
species +
inflated +  and tubular +
90 cm900 mm <br />0.9 m <br /> (100 cm1,000 mm <br />1 m <br />) +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
tree +, shrub +  and subshrub +