Plant: Perennial, glabrous or puberulent; Stem angled or ± flanged, not winged

Leaves: even-1-pinnate; stipules persistent, small, generally narrow; leaflets 4-10, opposite or subopposite, 2-8 cm, linear to lanceolate; tendril branched, coiled, reduced to bristle, or 0

INFLORESCENCE: raceme, generally axillary, 2-10-flowered

Flowers: calyx tube generally > upper lobes; corolla 7-16 mm, pink-purple or pale, sometimes white or yellow; 9 filaments fused, 1 free; style flat, finely hairy on concave side

Fruit: legume, glabrous, dehiscent, oblong, ± flat; Seeds 1-several, often ± reniform, generally hard, smooth

Misc: Open, dry, generally coniferous woodlands, meadows; 200-2000 m.