Alkali or King’s ivesia

Plants usually grayish green to silvery; caudices simple or few branched. Basal leaves: petioles of inner leaves usually glabrous, sometimes with sparse to dense, appressed or ascending hairs 0.5–2 mm; leaflets 15–40 per side, loosely to tightly overlapping, individually ± distinguishable, glabrous or ± sericeous or villous. Inflorescences 10–100-flowered, 2–12 cm diam.

Flowering summer. Damp alkali-crusted valley bottoms, in saltbush and saltgrass communities; of conservation concern; 1200–2400 m; Calif., Nev., Utah.

Variety kingii is found across the Great Basin from eastern California to western Utah.