Syn.: Kuhnistera candida (Willd.) Kuntze, Petalostemon candidum (Willd.) Michx., Petalostemon gracilis Nutt., Petalostemon virgatus Nees et Schwein., Psoralea candida (Willd.) Poir.
Family: Fabaceae Lindl.
Dalea candida
Distribution: North American species found in a large area from the west of province of Ontario, south of Manitoba, Saskatchewan and Alberta through prairie states of USA ( to the east to Tennessee and to the west to Arizona) and to northern Mexico ( Chihuahua, Durango, Sonora).
Ecology: Found in prairie, dry grasslands and rocky slopes. Blooms from May to August.
Description: Perennial herb, stem erect or prostrate, up to 80 cm long, single, poorly branched at top and woody. Leaves are alternate, bipinnately compound with 5–13 leaflets; leaflets linear to oblong or lance-shaped, 15–25 mm long, 2–3 mm wide, hairless. Flowers in terminal spike, crowded, 2–8 cm long; flowers 5-merous, 1–3 mm long, white. Fruit is a legume, small enclosed by sepals; seeds 1–2.
Usage: Native Americans used the leaves to prepare medicinal brew and chewed the roots for their sweetness.
Notes: The flowers of this genus are unusual in that 4 of the petals are actually modified stamens; the former genus name was Petalostemon which in Greek reflects this feature.
Dalea candida
Dalea candida
These images were taken in Canada, Alberta, Calgary, Confluence Park (5. 8. 2013).