|Scientific Name||Ratibida columnifera||USDA PLANTS Symbol||RACO3|
|Common Name||Prairie Coneflower||ITIS Taxonomic Serial No.||38341|
|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
© Tom Lebsack 2022
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County