Triangles in nature

Senecio triangularis, June 30, 2023

Ptarmigan area, 10,800’, August 11, 2023

Common & scientific name

Arrowleaf ragwort, Senecio triangularis

Family

Sunflower, Asteraceae

Location

Aspen grove below Highway 82, 8,600’

Fun, weird, helpful, or little known fact

A tall (up to 5’), leafy senecio with unbranched stems that have numerous, triangle-shaped, toothed leaves, topped by yellow flower clusters of 10 to 30 heads. It grows near bluebells, monkshood, and other tall, water-loving, subalpine species. Look for the triangle!

Blue Lake area, 11,900’, July 30, 2023