Agoseris parviflora

(Steppe Agoseris)

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Agoseris parviflora, Sheep Park, Park Co. 3168

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Agoseris parviflora, Newcastle-Buford Rd., White River Plateau, Garfield Co. 6102

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Agoseris parviflora, Newcastle-Buford Rd., White River Plateau, Garfield Co. 6107

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Agoseris parviflora, Newcastle-Buford Rd., White River Plateau, Garfield Co. 6109

Scientific Name Agoseris parviflora (Agoseris glauca var. laciniata) USDA PLANTS Symbol AGGLL
Common Name Steppe Agoseris ITIS Taxonomic Serial No. 508446
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Foothills to alpine (5500 to 12500 ft.); dry areas in prairies, sagebrush meadows, conifer woodlands.
Plant: Erect perennial up to 10 inches tall; stemless with flower head atop long, naked stalk (peduncle).
Leaves: Basal, erect to decumbent lanceolate, linear, oblong, or oblanceolate, margins may be lobed, sometimes dentate or entire.
Inflorescence: Composite solitary flower head atop peduncle 4 to 10 inches long; flower 1 to 1-1/2 inches across with yellow rays toothed at the tips; no disk flowers; yellow protruding stamens; smooth involucre 3/4 to 1-1/4 inches tall, outer phyllaries ovate, inner elliptic to oblong, pinkish with purple-black spots, midstripe or tips.
Bloom Period: June to August.
References: "Flora of Colorado" by Jennifer Ackerfield and SEINet.
BONAP Distribution Map


Map Color Key
Colorado Status:
Native

© Tom Lebsack 2022

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