Melhania polygama is a plant in the mallow family Malvaceae, native to South Africa.

Melhania polygama grows as a shrub about 35 centimetres (14 in) tall, with numerous stems.

The leaves are stellate tomentose and measure up to 9 cm (4 in) long.

Inflorescences measure up to 6 cm (2 in) long, are typically one to three-flowered and feature yellow petals.

[2] Melhania polygama is known only from Hluhluwe–Imfolozi Park (formerly Umfolozi Game Reserve) in KwaZulu-Natal.