This cluster of flowers is also known as a corymb.
This cluster of flowers is also known as an umbel.
the Larkspur has unsymmetrical flowers.
The flower of the Violet.
The corolla of the Morning Glory.
The calyx of the Morning Glory.
In the Stramonium, the five sepals are united into a cup or tube.
In the Honeysuckle the sepals fuse to form a tube.
In the Harebell, the tube is wide and the border spreads like a bell.
In Phlox, the tube spreads suddenly into a flat boder.
The stamens are united in this Lobelia.
The stamens are united in this Mallow.
Wheel-shaped flower of Nightshade.
"Diagrams of inflorescence. A, panicle; B, raceme; C, spike; D, head; E, umbel." -Bergen, 1896