Ceropegia woodii: Native to South Africa. Common names include chain of hearts, collar of hearts, string of hearts, rosary vine, hearts-on-a-string and sweetheart vine. The leaves are heart shaped, and hence the common name.
Bright light with some direct sun.
Keep the soil lightly moist in spring and summer. Water sparingly in fall and winter. A semi-succulent, this plant is more tolerant of dry soil than wet.