Location: Taken in the late evening back in early September, in Pembina Valley Provincial Park near Morden, Manitoba.
Camera Details: Canon EOS Digital Rebel XTi, 55mm Lens, Aperture exp 8.0, Shutter speed 1/400, ISO 200
Wildflowers of North America Group
Spotlight of the Week in the Wilflowers of North America on 21 November 2009
PRAIRIE CONEFLOWER, ratibida columnifera (Nutt.), of the Composite family
Flowers – yellow with three to seven rays, 15-45 mm (5/8 to 1 3/4 inch) long, relatively very broad, bent down, around a dark cone around a dark column shaped disk, 15-40 mm (5/8 to 1 5/8 inch) long and about 1/4 to 1/2 inch as wide. Heads several on long stalks. Flowering time: June – August.
Fruits – grayish black, flattened achene 2 mm (1/16 inch) long, with pappus reduced to a few scales and one to two small teeth
Leaves; pinnating divided, alternate, grey green and somewhat hairy, 5-10 cm (2 to 4 inches long. basal leaves are not divided.
Growing pattern – perennial with tap root and short, persistent stem base. Stems: usually several, branching from the base, with flat, stiff, short hairs. Plant height: 30-120 cm (12 to 48 inches) tall.
Growth environment – roadsides, ditches, railway grades, plains, prairies and disturbed ground.
Information obtained from the book Wild Flowers of Manitoba, by Ben W. Holyk