pinnate

/ˈpɪneɪt/
adjective
  1. Having leaflets or parts arranged on each side of a central stem, like a feather.
    • The fern has beautiful pinnate leaves that spread out like a feather.
    • Botanists classify many compound leaves as pinnate when the leaflets grow opposite each other.
    • The pinnate pattern of the leaf made it easy to identify the plant.
Synonyms
What does "pinnate" mean? | whatsthatwordmean | whatsthatwordmean