Greater Celandine (Chelidonium majus) vs. Celandine Poppy (Stylophorum diphyllum)
Updated December 29th, 2019These two plants, one native to North America and the other introduced and invasive in many regions, superficially look quite similar. With effort, they can be told apart by leaves and flowers. They are easiest to distinguish by their seed pods or the arrangement of leaves along stems.