UW Burke Herbarium species comparison

Leaves alternate, trifoliate;

stipules 1-2.5 cm. long, with entire, acuminate tips;

leaflets oblong-elliptic to oblanceolate or broader, 1-3.5 cm. long, finely denticulate the entire length, the teeth needle-like.

Leaves trifoliate, long-petiolate;

leaflets obovate to obcordate, 1-2 cm. long, finely serrulate;

stipules attached around the petiole most of their length, the free portion acuminate.

Inflorescence of 10- to 50-flowered heads, the heads axillary as well as terminal, 1-2 cm. long, subglobose, without an involucre;

flowers white to purplish, 6-12 mm. long, erect but becoming reflexed as the pedicles elongate to up to 6 mm.;

calyx glabrous, about equal to the corolla, the tube 10-veined, the 5 teeth fringed, 2-3 times as long as the tube, the upper 2 much the longest.

Inflorescence of many-flowered heads 1.5-2 cm. long and broad, on long, axillary peduncles;

flowers pea-like, 5-9 mm. long, white to cream, often pinkish-tinged; pendulous on pedicels 1-5 mm. long;

calyx glabrous, half the length of the corolla, the 5 teeth awl-shaped, half the length of the tube;

banner erect.

Pod 1-seeded

Pod 1-3 seeded.