Agoseris glauca

(Pale Agoseris)

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Agoseris glauca, Mayflower Gulch, Summit Co. 8162

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Agoseris glauca, Mayflower Gulch, Summit Co. 7622

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Agoseris glauca, Pennsylvania Gulch, Summit Co. 7612

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Agoseris glauca, Mayflower Gulch, Summit Co. 3802

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Agoseris glauca, Mayflower Gulch, Summit Co. 7601

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Agoseris glauca, Mayflower Gulch, Summit Co. 8171

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Leaves, Agoseris glauca, Mayflower Gulch, Summit Co. 8176

Scientific Name Agoseris glauca USDA PLANTS Symbol AGGL
Common Name Pale Agoseris, False Dandelion ITIS Taxonomic Serial No. 36490
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Foothills to alpine (5500 to 13800 ft.); rocky areas and streamsides, meadows, woodlands.
Plant: Erect perennial 10 to 14 inches tall; stemless with flower head atop long, naked stalk (peduncle).
Leaves: Pale green basal leaves, erect to decumbent, lanceolate to oblanceolate 1 to 18 inches long, entire to somewhat toothed or lobed.
Inflorescence: Composite solitary flower head 1 to 2 inches across with yellow rays with small teeth at the tips and protruding yellow stamens; no disk flowers; phyllaries lanceolate or linear with pointed tips, smooth or hairy, green or purple with purple-black spots, midstripe, or tips.
Bloom Period: June to August.
References: "Flora of Colorado" by Jennifer Ackerfield, "A Guide to Rocky Mountain Plants" by Nelson and Williams and SEINet.
BONAP Distribution Map

Colorado Status:
Native

© Tom Lebsack 2022

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