On the Rare Plant Technical Council List
Perennial, slightly tufted herb; stems 1.5-4.0 cm long, branching beneath the ground; leaves 1-4 cm long; leaflets 9-19, elliptic to oblanceolate, acute to obtuse, strigose on both surfaces with basifixed hairs or nearly glabrous above, 2-9 mm long 1...
Low, subacaulescent perennial, about 10 cm tall; stems 2-6 cm long; leaves to 6 cm long; leaflets 9-15 , strigose with straight, overlapping hairs; flowers 3 -11, pea-like, less than 14 mm long; petals bi-colored, banner white with lilac streaks, win...
Perennial from a taproot, strigulose or pilose with basifixed hairs; stems clustered on a root crown, spreading, distally ascending, 0.5-3 dm long; leaves pinnately compound, 6-20 cm long; leaflets 19-40, becoming smaller up the rachis, mostly ellipt...
Dwarf, acaulescent, perennial herb from a well-developed, short, but knotty caudex on a simple taproot; leaves 3-11 cm long, pinnately compound with 5-9 pairs of leaflets, each leaflet grayish pubescent below and nearly glabrous on the upper surface;...
Perennial; stems erect or ascending, 20-40 cm long; herbage green to gray-green; leaves pinnately compound, 5-15 cm long; leaflets 19-27, 2-4 cm long, nearly glabrous above; flowers ochroleucus (yellow-white), in dense 35-60-flowered racemes; calyx d...
Rhizomatous perennial from subterranean crown; stems several, to 5 dm long, decumbent and radiating, branching from lower nodes, forming broad, depressed clumps; herbage greenish-gray; lower stipules connate; leaves 2.5-10 cm long; leaflets numerous,...
Perennial; stems 1-6 from a subterranean root-crown, stout, erect and stiffly ascending, 4-7 dm long, strigulose nearly throughout with fine, straight, appressed hairs; stipules 1-5 mm long; leaves pinnately compound, 4-9(11) cm long, commonly divari...
Densely tufted and matted perennial from an intricately branching subsurface caudex; above ground stems absent or less than 2 cm long; leaves crowded, silvery-canescent with mostly appressed dolabriform hairs, pinnately 5-9 foliolate, to 3 cm long, t...
Matted perennial, forming low cushions up to 30 cm across; stems absent or less than 2 cm; herbage strigose with dolabriform hairs; leaves pinnately compound, to 8 cm long, with 5-7 narrow leaflets; flowers pea-like, solitary on each peduncle, nestle...
Gray-green shrub to 1 m tall, much-branched; leaves short-petiolate or sessile, elliptic-ovate to narrowly oblong, about 1-2 cm long, grayish with a fine scurf; plants unisexual, the flowers in small clusters in more or less profuse terminal panicles...