According to the release, the study found even these penta-leaflet samples could vary, with two main leaf orientations noted: ...

It is smooth, has light grey trunk, slightly barrel-shaped when young, reaches a height of 25 metres and is crowned by huge, pinnate leaves. Its majestic appearance makes it particularly suitable ...

Identifying features include: typically grows 2-7 feet tall leaves are alternate with deeply pinnate segments and spiny teeth along leaf margins flowers are purple, disk-shaped, and covered in spines ...