The plants are climbers with tendrils from the leaf axils. They have either simple or compound alternate leaves. Flowers have 5 sepals and 5 petals. Each flower usually has an extra ring of threadlike filaments called corona inside the petals. The stalks of the 5 stamens are joined into a column.
Fruits are berries with many seeds inside the pulp.
This climber has thin, hairy stems and tendrils. It was introduced from South America. Leaves are thin and hairy with 3 rounded or pointed lobes. Flowers arise singly from the leaf axils. Each flower has 3 pale green, much divided, mossy-looking leaves just below the calyx.