|Scientific Name||Erigeron coulteri||USDA PLANTS Symbol||ERCO6|
|Common Name||Coulter's Daisy, Whiteray Daisy||ITIS Taxonomic Serial No.||35845|
|Description||Life zones and habitat: Foothills to alpine (7500 to 14000 ft.); moist areas, meadows, streambanks, open woodlands.
Plant: Erect perennial 4 to 24 inches tall, somewhat hairy or smooth, leafy stems.
Leaves: Hairy basal and stem leaves, lower blades broadly oblanceolate to elliptic or oblong-lanceolate, 1-1/4 to 4-3/4 inches long and 1/4 to 1 inch wide, margins entire or with 1 to 5 pairs of shallow teeth; upper stem leaves becoming elliptic-ovate to lanceolate and gradually smaller with clasping bases. Basal leaves may be persistent (lasting through the bloom period).
Inflorescence: Single composite flower heads 1-1/2 inches across with 45 to 140 white or pale lavender rays; yellow disk florets; phyllaries with blackish hairs, glandular.
Bloom Period: July to September.
References: "Flora of Colorado" by Jennifer Ackerfield, "Guide to Colorado Wildflowers" by G.K. Guennel and Flora of North America.
|BONAP Distribution Map
Map Color Key
© Tom Lebsack 2023
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County