The difference between bone drynbu and psoralea

1. Difference of petiole

The leaves of Drynaria are distant, about 1-5 cm apart, with petioles about 6-20 cm long, dark straw color or brown in color, with shallow longitudinal grooves on them and scales at the base.

The petiole of Psoralea corylifolia is much shorter than the former, about 2-4.5 cm long, with glandular dots, the smaller ones are about 2-3 mm long and covered with white hairs.

2. Difference of blades

The leaf blade of Drynaria is pentagonal, acuminate at the apex, shallowly cordate at the base, four-pinnately lobed, with 6-12 pairs of pinnae, subopposite or opposite at the bottom, alternate upwards, and the largest at the base, triangular in shape.

The leaves of Psoralea corylifolia are broadly ovate, approximately 4.5-9 cm long and 3-6 cm wide, with a sharp or blunt tip and a heart-shaped or rounded base. The leaf margins have irregular and coarse serrations, black glandular dots on both sides, and are sparsely hairy or hairless.