), found from India east to Taiwan and Okinawa and south to Indonesia.

Breynia vitis-idaea is pollinated by the leafflower moth Epicephala vitisidaea in Fujian, China and the Ryukyu Archipelago, Japan.

The moth actively pollinates the flowers, but lays an egg into the space between the external carpel wall and the tepals.

The moth caterpillars consume a subset of the tree's seeds, receiving nourishment in return.

Breynia vitis-idaea poisoning causes hepatocellular liver injury.