angiosperm
"One species of a plant group having seeds borne in a fruit; also called flowering plants."

gymnosperm ['dʒ©¥mnəʊˌspɜ¢°m, 'g©¥m-]
noun any seed-bearing plant in which the ovules are borne naked on the surface of the megasporophylls, which are often arranged in cones; any conifer or related plant. Gymnosperms are traditionally classified in the division Gymnospermae but in modern classifications are split into separate phyla

Well, that's a megamouthphyull!