Snake river cryptantha

Description

Perennial from a taproot and simple or branched crown, the several stems 0.5-4 dm. tall; herbage with silky hairs and bristles in small blisters. Leaves: Basal leaves densely tufted, narrowly oblanceolate, 1-6 cm. long and 1.5-8 mm. wide; cauline leaves somewhat reduced. Flowers: Inflorescence an elongate, narrow panicle, with short, bracteate spikes along the main stem; corolla white, 5-lobed, the tube about equaling the calyx, the limb 5-8 mm. wide; style distinctly surpassing the nutlets. Fruits: Nutlets 4, lance-ovate, 2-4 mm. long, roughened on the back and ventrally, attached to the style.