Senecio triangularis is a species of perennial herb in the family Asteraceae. They have a self-supporting growth form. They are native to Alaska, Canada, The Contiguous United States, and Western North America. They have simple, broad leaves and yellow flowers. Flowers are visited by Polygonia gracilis zephyrus, Colias, Greenish Blue, and Limenitis weidemeyerii. Individuals can grow to 4 feet.
EOL has data for 72 attributes, including: