pectinately

Updated: May 5, 2025

But the young plants and even the young shoots when developing from the rootstocks under water comply with the above rule, producing very compound, finely and pectinately dissected leaves. From a systematic point of view these leaves indicate the origin of the water-parsnips from ordinary umbellifers, which generally have bi- and tripinnate leaves.

Hugo de Vries - Species and Varieties, Their Origin by Mutation