Hoya carnosa

Hoya carnosa, the porcelain flower or wax plant, is a species of flowering plant in the family Apocynaceae, native to East Asia. It is a common house plant grown for its attractive waxy foliage, and sweetly scented flowers. It is grown well in pots and hanging baskets.

Hoya carnosa has been in cultivation for more than 200 years and has given rise to many cultivars that vary in foliage form or flower color. In cultivation in the UK it has gained the Royal Horticultural Society's Award of Garden Merit.

Description

Hoya carnosa makes faintly succulent shoots with smooth, pale gray, and bare surfaces that twine and climb. The perennial leaves are wide oval to longitudinal oval or heart-shaped. They are slightly succulent, fleshy with a waxy glossy surface, 3–5 centimetres (1.2–2.0 in) wide and 3.5–13 centimetres (1.4–5.1 in) long, with a petiole of about 1–1.5 centimetres (0.39–0.59 in). The spindle-shaped fruits measure 6 to 10 × 0.5 to 1.5 cm.