|Scientific Name||Senecio serra var. admirabilis||USDA PLANTS Symbol||SESEA|
|Common Name||Saw-tooth Ragwort, Tall Ragwort||ITIS Taxonomic Serial No.||530331|
Life zones and habitat: Foothills and montane (6200 to 10500 ft.); forest openings, meadows, streamsides.
Plant: Erect perennial 20 inches to over 6 feet tall, single or loosely clustered stems, mostly hairless.
Leaves: Evenly distributed, alternate, oblanceolate to lanceolate or elliptic, 3 to 6 inches long and 3/8 to 1-1/2 inches wide, petiolate or nearly sessile; margins with many small teeth (serrate).
Inflorescence: Many (12 to 50) composite flower heads in corymbiform or panicle-like arrays; ~8 yellow rays and 20 to 40 or more disk florets; ~13 green, dark-tipped phyllaries and 2 to 6 thin bractlets below.
Bloom Period: July to September.
References: "Flora of Colorado" by Jennifer Ackerfield, Flora of North America and American Southwest.
|BONAP Distribution Map
Map Color Key
© Tom Lebsack 2022
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County