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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 |
Scientific Name | Agoseris aurantiaca var. purpurea | USDA PLANTS Symbol | AGAUP |
Common Name | Orange Agoseris | ITIS Taxonomic Serial No. | 526863 |
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 to yellow, sometimes pinkish; rays about 1 inch across, no disk flowers; phyllaries somewhat ovate or obovate green to rosy purple, often with purple-black spots, blotches, and/or midstripes, outer phyllaries are 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 |
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 |
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 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, lanceolate or linear with acute to acuminate tips. Bloom Period: June to August. References: "Flora of Colorado" by Jennifer Ackerfield and SEINet. |
BONAP Distribution Map![]() |
Colorado Status: Native |