Ratibida columnifera
(Prairie Coneflower)
Ratibida columnifera, Along CR 12 west of Pawnee Buttes, Weld Co. 8038
Ratibida columnifera, Along CR 12 west of Pawnee Buttes, Weld Co. 8081
Ratibida columnifera, North Table Mountain, Jefferson Co. 2777
Ratibida columnifera, North Table Mountain, Jefferson Co. 2771
| Scientific Name | Ratibida columnifera | USDA PLANTS Symbol | RACO3 |
| Common Name | Prairie Coneflower | ITIS Taxonomic Serial No. | 38341 |
| Family | Asteraceae (Sunflower) | SEINet Reference |
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| Description | Life zones and habitat: Plains to Montane (3500 to 9000 ft.); open areas in grasslands, fields, roadsides, woodlands and disturbed sites. Plant: Bushy, erect perennial; hairy, glandular stems 12 to 40 inches tall. Leaves: Alternate stem leaves 1 to 6 inches long, deeply pinnately-divided into 4 to 14 linear to narrowly ovate lobes; lobes entire or further divided into 3; basal leaves petiolate, often withering at maturity. Inflorescence: Composite flower heads with 4 to 12 drooping rays, yellow or yellow and red-brown; central green column protrudes 1/2 to 2 inches above the petals with many (20 to 400) disk florets, greenish above to purplish below. Bloom Period: June to October. References: "Flora of Colorado" by Jennifer Ackerfield and SEINet. |
BONAP Distribution Map Map Color Key |
Colorado Status: Native |
© Tom Lebsack 2024
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County