Agoseris aurantiaca var. aurantiaca

(Orange Agoseris)

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Agoseris aurantiaca var. aurantiaca, Shrine Pass Trail, Eagle Co. 6975

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Agoseris aurantiaca var. aurantiaca, Shrine Pass Trail, Eagle Co. 6969

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Agoseris aurantiaca var. aurantiaca, Shrine Pass Trail, Eagle Co. 6976

Scientific Name Agoseris aurantiaca var. aurantiaca USDA PLANTS Symbol AGAUA
Common Name Orange Agoseris ITIS Taxonomic Serial No. 182405
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Foothills to alpine (5400 to 12500 ft.); open areas, meadows, grassy hillsides.
Plant: Erect perennial to 12 inches tall; stemless with flower head atop long, curved, naked stalk (peduncle).
Leaves: Basal leaves 2-3/4 to 15 inches long, lanceolate to oblanceolate, edges entire to laciniate; surfaces smooth to slightly hairy.
Inflorescence: Composite blossom, corollas usually orange, sometimes pinkish or yellow; rays about 1 inch across, no disk flowers; phyllaries nearly lanceolate green to rosy purple, often with purple-black spots, blotches, and/or midstripes, outer phyllaries do not appear overlapping.
Bloom Period: June to August.
References: "Guide to Colorado Wildflowers" by G.K. Guennel, "Flora of Colorado" by Jennifer Ackerfield 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