Erigeron flabellifolius

Rydberg

Bull. Torrey Bot. Club 26: 545. 1899.

Common names: Fan-leaf fleabane
IllustratedEndemic
Treatment appears in FNA Volume 20. Treatment on page 302. Mentioned on page 265.
Revision as of 21:04, 29 July 2020 by imported>Volume Importer
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Perennials, 3–8 cm; taprooted, caudex branches rhizomelike, relatively slender. Stems erect (simple, ± scapiform), glabrous, glandular. Leaves mostly basal (persistent); blades cuneate to broadly oblanceolate or spatulate, 10–30 (–40) × 4–10 mm, cauline restricted to proximal 1/2 of stems, reduced in size and lobing distally, margins with 3–5 lobes, each secondarily 3- toothed or lobed, faces essentially glabrous, glandular. Heads 1. Involucres 7–8 × 10–15 mm. Phyllaries in 2–3 series, glabrous, minutely glandular. Ray-florets 50–70; corollas white to lavender or light pink, 6–8 mm, laminae not coiling or reflexing. Disc corollas ca. 4 mm. Cypselae 1.8–2 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae, inner of 20 bristles.


Phenology: Flowering Jul–Aug.
Habitat: Open gravelly soils and talus slopes, granite, limestone cliffs and rock slide areas, alpine meadows
Elevation: 2800–3800 m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Erigeron flabellifolius"
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 +
Rydberg +
decurrent +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
cuneate;broadly oblanceolate or spatulate +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
rugulose +  and muricate +
Fan-leaf fleabane +
not 2-lipped +  and actinomorphic +
white +  and lavender or light pink +
0.6 cm6 mm <br />0.006 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 +
4 cm40 mm <br />0.04 m <br /> (?) +
fertile +  and bisexual +
Mont. +  and Wyo. +
2800–3800 m +
strigose +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Open gravelly soils and talus slopes, granite, limestone cliffs and rock slide areas, alpine meadows +
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 />) +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
turbinate;hemispheric +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
not coiling +
petiolate +  and sessile +
erect;spreading +
deltate +
more or less dentate to pinnatifid +  and entire +
lobed +  and 3-toothed +
not +  and scarious +
2-carpellate +
Flowering Jul–Aug. +
3-nerved +  and 1-nerved +
narrowly elliptic +  and linear-lanceolate +
Bull. Torrey Bot. Club +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
Illustrated +  and Endemic +
branched +  and simple +
prostrate +  and decumbent +
appendaged +  and truncate +
papillate +  and smooth +
Achaetogeron +  and Trimorpha +
Erigeron flabellifolius +
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 +