UW Burke Herbarium species comparison

Leaves alternate, long-petiolate, trifoliate;

leaflets 1.5-3 cm. broad, obcordate, drooping;

stipules very small or lacking.

Flowers 1-3, short-pedicellate, on peduncles exceeding the leaves;

sepals 5;

petals 5, yellow, 12-20 mm. long, rounded;

stamens 10, the filaments hairy, the lower 2-3 mm. united, 5 filaments longer than the other 5;

styles 5.

Flowers 1-3, short-pedicellate, on peduncles exceeding the leaves;

sepals 5;

petals 5, yellow, 12-20 mm. long, rounded;

stamens 10, the filaments hairy, the lower 2-3 mm. united, 5 filaments longer than the other 5;

styles 5.