About Rupertia rigida (Parish) J.W.Grimes
This species is a bushy perennial herb. It grows a hairy, woody stem from a thick, purplish caudex, reaching a maximum height of around 75 centimeters, and bears slender, leafy branches. Each of its leaves is composed of three hairy, glandular, lance-shaped leaflets that can grow up to 6 or 7 centimeters long. Its inflorescence is a clustered raceme holding several whitish or yellowish pealike flowers. Every flower has a tubular calyx made of sepals, and a corolla that spreads to about 1.5 centimeters in width. The fruit it produces is a hairy, gland-speckled, brownish legume that measures around one centimeter long.
