Stout erect annual up to 130 cm. tall; stems rather densely covered with white somewhat crisped biramous hairs. Stipules spreading, subulate-setaceous, up to 6 mm. long; rhachis up to 5 cm. long, including a 10–15 mm. petiole, prolonged up to 3 mm. beyond the lateral leaflets; leaflets 11–15, elliptic, up to 15 mm. long and 7 mm. wide, with short fine ± appressed hairs above and longer stouter hairs beneath. Racemes densely many-flowered, up to 8 cm. long, including a peduncle of 2–2.5 cm., the flowers all turned to one side; bracts setose, linear, ± 2 mm. long, caducous; pedicels ± 1 mm. long. Calyx setose and with short glandular hairs, ± 4 mm. long; lobes triangular with blackish setaceous tips. Corolla strigose outside. Stamens ± 3.5 mm. long. Pods oval-oblong, ± 4 mm. long, 2.4 mm. wide, 2 mm. thick, densely covered with short white biramous hairs as well as erect multicellular hairs, 2-seeded; endocarp spotted, especially at the septa.
