Botany Dictionary

  • Pinna

    Pinna

    A single leaflet or part of a compound leaf.

  • Pinnate

    Pinnate

    Describing a compound leaf with leaflets arranged along both sides of a central axis.

  • Pinnate (1)

    Pinnate (1)

    A leaf shape with leaflets arranged on both sides of a central stem or axis, like a feather.

  • Pinnate (2)

    Pinnate (2)

    Having leaflets arranged along both sides of a central stalk or axis, common in compound leaves.

  • Pinnately compound

    Pinnately compound

    A type of compound leaf where the leaflets are attached to a central axis or rachis.

  • Pinnately lobed

    Pinnately lobed

    Describing leaves with deep lobes that are arranged along a central axis.

  • Pinnatifid

    Pinnatifid

    A leaf structure with deep lobes that do not extend to the midline of the leaf.

  • Pinnatisect

    Pinnatisect

    Having deeply divided leaflets along a central axis or rachis.

  • Pinnulate

    Pinnulate

    Having small leaflets arranged along a central axis, typically referring to a compound leaf.

  • Pinnule

    Pinnule

    A small leaflet found on a compound leaf, often referring to the divisions of the main leaflets.