A catkin arrangement of flowers.
A corymb arrangement of flowers.
This plant forms axillary flowers that appear scattered on the stem.
This Lily of the Valley forms flower clusters, or racemes.
A head is a flower cluster with a short body, and without pedicles to the blossoms.
Part of stem, leaf and umbel of Poison-Hemlock.
Umbel of Poison-Hemlock.
Magnified flower of Poison-Hemlock.
Magnified fruit of Poison-Hemlock.
Magnified fruit of Poison-Hemlock, cut in half.
A simple panicle, the branches only once branched.
A raceme arrangement of flowers.
A spathe is a bract or leaf enwrapping a spike or cluster or blossoms.
A spike arrangement of flowers.
An umbel arrangement of flowers.
Racemes clustered in racemes, making a compound raceme, or umbel as in this Caraway.