Exotic. Native to China.
 A large tree which has easily spread in the reserve. It is considered invasive. It contains a phytotoxic compound which has a herbicidal effect on the growth of the surrounding vegetation which facilitates spreading. © Cora Rimoldi
|
 Big compound leaf with up to 12 leaflets.© Cora Rimoldi
|
 It is dioecious, meaning plants have either female or male flowers. After flowering female plants will produce fruit if flowers are polinated. Fruits arrange in clusters. They are creamy and turn reddish. © Cora Rimoldi
|
 The fruit is a samara. A flat twisted structure with one seed in the middle. © Alberto Gurni
|
  On male plants flowers die and disappear. © Cora Rimoldi
|