15 cm ruler for scale

Perennial plant with a rosette of  linear leaves and a long flower stalk bearing a single flower head. Flower head consists solely of ray florets (no disk florets), petals have 5 teeth at apex. Bracts linear, in 2 overlapping rows, bracts measured to 13 mm long. We measured flower heads to 4.5 cm diameter. Leaves bluish-green with a prominent white midvein, entire. Leaf measured to 23 cm long and 5 mm wide (pressed flat). Plants have a milky sap. Stems are sparsely hairy, leaf tops with small hairs, leaf bottoms pubescent.

Height of flower stems listed in Budd's Flora to 45 cm, we measured them to 68 cm tall.

Habitat is prairie and open woods. Common.

Photos taken July 18th, poplar woods about 60 km south east of Regina, SK, and grassy edge of woods, boreal forest, about 300 km north east of our home in Regina, SK.

[ Home ]