Achene

Small, one seeded, unwinged

Samara

Achenelike or nutlike but winged

Nut

Ovary with two or more carpels, but fruit is usually one celled, one seeded with a hard wall.

Legume

Product of a simple, one carpellate ovary, splitting along two lines

Follicle

Product of a one carpellate ovary, splitting along one line

Capsule

Part of a compound ovary, splitting along two or more lines, usually one per carpel

Pome

Product of a compound, inferior ovary

Drupe

Product of a simple ovary and usually one seeded

Berry

Usually many seeded

Hesperidium

A type of berry with a a thick, leathery outer "rind" (exocarp) and many radial sections