Saturday, 7 February 2026, 9:30 PM
Site: MISIN Learn
Course: MISIN Learn (MISIN Learn)
Glossary: Glossary
I

Inferior Mouth

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

Inflorescence

Cluster or arrangement of flowers of a plant.

Instar

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

Involucre

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

Iridaceae

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.