Wild indigo, clover bloom, dyer's baptisia, false indigo, horsefly weed, indigo broom, indigo weed, rattlebush, rattleweed, yellow broom, yellow wild indigo.
A perennial that grows 2 to 4 feet in height. Stem is erect, and has alternate branches that contain several whorls of 3 clover-like leaflets. Each branch has a whorl or 3 leaflets where it attaches to the stem. Leaves are nearly sessile. Yellow flowers, which are arranged at the tops of the highest branches, are ½ inch long, and form brown ½-inch cylindrical pods.
April to August.
Mostly in dry open woods in clearings.
Roots in fall, herb in summer.
Most authors agree that the herb has value as a febrifuge, tonic, purgative, and antiseptic.