Ceropegia woodii

Ceropegia woodii is a flowering plant in the dogbane family Apocynaceae, native to South Africa, Eswatini and Zimbabwe. It is sometimes treated as a subspecies of the related Ceropegia linearis, as C. linearis subsp. woodii. Common names include chain of hearts, collar of hearts, string of hearts, rosary vine, hearts-on-a-string, and sweetheart vine.