A mouth located on the ventral surface of the head and oriented downwards.

Cluster or arrangement of flowers of a plant.

A phase between two periods of molting in the development of an insect larva or other invertebrate animal.

A structure that surrounds the base of another structure, often applied to a set of bracts below the inflorescence, as in asters.

Iris Family. Comprised of 66 genera and around 2,200 species. Most species are native to temperate, subtropical and tropical regions and a few grow in swampy locations. Mostly perennial herbs, though there are a few shrubs and evergreen herbs as well. Members of this family usually have bulbs or other storage organs, long, thin leaves, six petals in two rings, three stamens, and a seed capsule which forms behind the flower.