Causonis japonica, a perennial vine with compound, alternately arranged leaves that have 5 ovate to orbicular leaflets with serrated margins

Causonis japonica, also known as the Japanese cayratia, is a perennial vine that is native to tropical and subtropical Asia, Australia, and the western Pacific Ocean.

It has compound leaves, which means that each leaf is made up of multiple leaflets. The leaves of Causonis japonica are arranged alternately on the stem and have 5 leaflets. The leaflets are ovate to orbicular in shape and have serrated margins.

The leaves of Causonis japonica are used in traditional Chinese medicine to relieve swelling and heat, and to enhance diuresis and detoxification. They are also used in some cultures as a food source.

Here is a more detailed description of the leaves of Causonis japonica:

• Compound: The leaves of Causonis japonica are compound, meaning that each leaf is made up of multiple leaflets.
• Alternate: The leaves are arranged alternately on the stem.
• 5 leaflets: Each leaf has 5 leaflets.
• Ovate to orbicular: The leaflets are ovate to orbicular in shape.
• Serrated margins: The leaflets have serrated margins.

Ref.:

• https://bard.google.com/