Leaves and Stem
It has palmate lobed leaves that are a rather pale, dull green; long tendrils also arise near the base of the leaf stalk (visible in adjacent image).
Bryony uses these tendrils to scramble through hedges etc.
Flowers and Fruits
The flowers occur in clusters. There are separate male and female flowers. The male flowers are larger than the female ones. They have 5 sepals, and 5 green veined petals, and 5 stamens (one free and two joined pairs).
The female flowers are smaller and have 3 downy stigmas. Bee pollinated.
The petals have small hairs on them - see image.
Ecology and other notes