1、 Petiole difference
The leaves of Drynaria fortunei are distant, about 1-5cm apart, and the petiole is about 6-20cm long. The color is dark straw color or brownish, with shallow longitudinal grooves on it and scales at the base p>
The petiole of Psoralea corylifolia is much shorter than the former, about 2-4.5cm long, with glandular spots, and the petioles of small spots are about 2-3mm long, with white villi p>
2、 Blade difference
The leaf blade of Drynaria fortunei is pentagonal, the apex is acuminate, the base is shallow heart-shaped, four fold feather split, the feather has 6-12 pairs, the lower part is nearly opposite or opposite, the upward is alternate, and the largest at the base is triangular p>
The leaves of Psoralea corylifolia are broadly ovate, about 4.5-9 cm long and 3-6 cm wide. The apex is sharp or blunt, the base is heart-shaped or round, the leaf margin has irregular and thick serrations, there will be black gland spots on both sides, with loose hair or no hair p>