incomplete flower A flower lacking one or more of the normal flower parts.
incomplete metamorphosis See simple metamorphosis.
incubation A period of development during which a pathogen changes to a form that can penetrate or infect a new host plant.
See: Monoecious; Dioecious; Perfect Flowers; Complete Flowers; Incomplete Flowers
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A flower that has all four parts is said to be complete, whereas an incomplete flower lacks one or more of these four parts. A flower with both stamens and carpels is said to be perfect, whereas an imperfect flower has stamens or carpels, but not both.