Distribution: Occurring east of the Cascades crest in Washington; eastern Washington to southeastern Oregon, east to Montana and western Wyoming.

Habitat: Dunes and sandy soil at low elevations.

Flowers: May-October

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bumblebees, flies, moths

Herbaceous perennial from a woody taproot, somewhat glandular, finely puberulent to glabrous, with numerous decumbent but erect-tipped branches 2-7 dm. long.

Leaves opposite, pale greenish, rather fleshy, the blade lanceolate to deltoid, 2-5 cm. long, abruptly narrowed to a petiole slightly shorter to 3 times as long.

Flowers perfect, in heads on peduncles that exceed the leaves, subtended by 5 narrowly oblong to oblong-oblanceolate, membranous, whitish involucral bracts 1.5-4 mm. wide and 7-10 mm. long; perianth densely puberulent to glabrous, white, with a narrow tube 12-20 mm. long and 5 flaring, white lobes 7-10 mm. broad; corolla none; stamens 4-5, included; style 1, included.

Achene 8-11 mm. long, puberulent, wingless or with 5 thin, firm wings, the 2 sides closely appressed to each other, broader than the body of the fruit, narrowed to the base.