This perennial has a twinning habit with the stems turning woody at the base and forms aerial tubers (bulbils) in the leaf axils. The glossy green heart-shaped leaves have a quilted appearance and the small bell-shaped flowers appear in late spring.

Hardiness zones 8 to 12 

Dioscorea bulbifera is naturally found from eastern China to the Philippines growing in fertile moist, well drained soils in a protected sunny position frost tender, drought tolerant. 

Air Potato is grown for its attractive foliage and its twinning habit. It is grown on trellises or over structures as a specimen in small gardens for a tropical effect. It establishes in one season from division and may be grown in containers, under glass in cold climates. ID 2027

Note:
The plant may form small underground tubers and can tolerate temperatures down to USDA Zone 7

Dioscorea (dee-0-SKOR-ee-a) bulbifera (bul-BIF-e-ra)

Dioscoreaceae (DY-os-KAW-ree-AY-see-ee)