Erigeron formosissimus

(Beautiful Daisy)

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Erigeron formosissimus, Hoosier Pass, Park Co. 5412

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Erigeron formosissimus, Lower Flume Trail Breckenridge, Summit Co. 8156

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Erigeron formosissimus, Lower Flume Trail Breckenridge, Summit Co. 8169

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Erigeron formosissimus, Hoosier Pass, Park Co. 5414

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Erigeron formosissimus, Lower Flume Trail Breckenridge, Summit Co. 8161

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Erigeron formosissimus, Hoosier Pass, Park Co. 5415

Scientific Name Erigeron formosissimus USDA PLANTS Symbol ERFO3
Common Name Beautiful Daisy, Beautiful Fleabane ITIS Taxonomic Serial No. 35869
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Foothills to alpine (7000 to 12000 ft.); meadows and forests.
Plant: Perennial 4 to 22 inches tall; erect simply-branched stems, may be hairy and glandular.
Leaves: Basal leaves in a dense cluster, oblanceolate, obovate, or oval 3/4 to 4 inches long, petiolate; smaller stem leaves clasping and oblanceolate to spatulate or oblong; both with ciliate, entire margins.
Inflorescence: One or more composite heads 3/4 to 1-3/8 inches across with many (75 to 150) blue to purple, narrow rays; yellow disk florets; greenish to slightly purple phyllaries with tips slightly curved back, somewhat hairy and glandular.
Bloom Period: June to September.
References: "Flora of Colorado" by Jennifer Ackerfield, SW Colorado Wildflowers, American Southwest and Flora of North America.
BONAP Distribution Map

Colorado Status:
Native

© Tom Lebsack 2022

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County