|Scientific Name||Helianthella quinquenervis||USDA PLANTS Symbol||HEQU2|
|Common Name||Five-nerve Sunflower, Dwarf Nodding Sunflower, Five-nerve Helianthella||ITIS Taxonomic Serial No.||37597|
Life zones and habitat: Montane to alpine (7200 to 13500 ft.); open woods, aspen groves, alpine meadows.
Plant: Erect, tall perennial up to 4 feet tall.
Leaves: Elliptic or ovate-lanceolate to lanceolate stem leaves up to 12 inches long, with 3 to 5 veins; sparsely hairy or smooth surface.
Inflorescence: Single, large, composite nodding flower heads up to 4 inches across with many yellow rays and yellow-green disk florets; green pointed phyllaries with bristly edges beneath the blossom.
Bloom Period: June 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