The basic definition for this term is: group of two or more flowers on the same stalk or peduncle. An inflorescence can vary greatly in format, from the long spike, like the Gladioli, to the larger and rounder, like hydrangea. (Also see raceme, panicle, spike and umbel.)
Infructescence
Group of fruits developed by the development of the ovaries in the flowers from an inflorescence, like the pineapple or jack.
Internode
Space between nodes on a stem or branch
Iris
Received its name in homage of the Greek Goddess of the rainbow.
Corm: Subterranean organ for storage, with a thick stalk covered by a thin paper-textured layer. At the top of the corm, a bud produces roots and shoots; type of subterranean stem similar to a bulb but without fleshy scales. E.g., Gladioli
