- gymnosperm - plants of the class Gymnospermae having seeds not enclosed in an ovary
--1 is a kind of spermatophyte, phanerogam, seed plant
--1 is a member of
--1 has particulars:Gymnospermae, class Gymnospermae, Gymnospermophyta, division Gymnospermophyta progymnosperm; welwitschia, Welwitschia mirabilis; cycad; seed fern, pteridosperm