Supported upon a stem or stalk. The pedunculated oak has its acorns borne upon a footstool.

The appearance of regularity of structure in the flowers of plants which normally bear irregular flowers.

The bony arch to which the hind limbs of vertebrate animals are articulated.

The leaves of the corolla, or second circle of organs in a flower. They are usually of delicate texture and brightly coloured.

Having flattened, leaf-like twigs or leafstalks instead of true leaves.

The colouring material produced generally in the superficial parts of animals. The cells secreting it are called Pigment - Cells .