pinnate

adjective4

1. •
   Resembling a feather.
2. •
   Having two rows of branches, lobes, leaflets, or veins arranged on each side of a common axis

   • Mimosa is a tree with pinnate leaves.
   • The trunk is unbranched, often much shortened, and bears a crown of feathery or pinnate fronds.
3. •
   Having wings or fins.
4. •
   Having a winglike tuft of long feathers on each side of the neck.