Imperiled
Stems mostly grayish in color; sepals usually obtuse, without purple coloring, these deciduous sepals in fruit; petals are white to pale pink, five in number; stamens magenta are usually 10 (but may be fewer); flowers open at dusk; fruit are rounded,...
Caespitose or pulvinate, taprooted perennial, 2-10 cm tall; stems intricately branched; leaves narrowly oblanceolate, 8-20 mm long, 1-3 mm wide, strigose-canescent to canescent basally, moderately succulent; heads terminal; peduncles 3-8 mm long, den...
Perennial erect or decumbent herb; 14-60(-80) cm tall; leaves compound, trifoliate; leaflets 10-35 mm long, narrowly lanceolate, acuminate, margins toothed; peduncles pubescent, bractless, terminated by globose flower heads 20-30 mm long; flowers ref...
Perennial herb, 7-30 cm tall; caudex multiple-branched, borne on a cylindric to flattened taproot, usually with a dense cushion of old leaf bases present beneath the new growth; leaves primarily basal, undivided, elliptic to obovate-spatulate, narrow...