Distribution: Along the Columbia and lower Yakima rivers, from Wenatchee, Washington to the Dalles, Oregon.
Habitat: Dry, usually sandy places at low elevations.
Flowers: May - June
Conservation Status: Threatened in Washington (WANHP)
Perennial with clustered stems, 1.5-4 dm. tall, the herbage silky below, becoming bristly upward.
Basal leaves petiolate, narrow and elongate, all tapering to a pointed tip, 5-10 cm. long and 3-6 mm. wide; the cauline leaves becoming sessile and up to 1 cm. wide.
Inflorescence an elongate, bracteate spike; calyx divided to the base; corolla tube exceeding the calyx, the 5 limbs white, 5-9 mm. wide; style strongly surpassing the nutlets.
Nutlets 4, gray, smooth and shining, 4 mm. long, sharp-edged, attached to the style.