👉 Kupernis is a genus of plants in the family Apocynaceae, native to Asia and Europe. They are known for their distinctive, flat leaves that resemble the shape of a peep or an onion cap. The genus contains several species with various shapes and sizes of leaves, including the common kupernis, which has leaves that can be as small as a pea. Kupernis is also known for its unique, aromatic flowers, often resembling onions or peaches