Photograph from Lewis and Clark Herbarium/Academy of Natural Sciences
Clustered Elkweed
Frasera fastigiata
June 14, 1806, on the Weippe Prairie, Idaho.
Flowers 1.25 in (3.18 cm), lavender, saucer-shaped with 4 petals, 4 linear sepals; clustered in upper leaf axils. Leaves lanceolate, in whorls; basal ones longest, to 20 in (51 cm).
Mountain slopes with pine or sagebrush; to 10,000 ft (3,000 m).
