gymnosperm
/ˈdʒɪmnəʊspɜːm/noun
1- Botany a plant of a group that comprises those that have seeds unprotected by an ovary or fruit, including the conifers, cycads, and ginkgo【植】裸子植物。比较 ANGIOSPERM.
1.1
- Subdivision Gymnospermae, division Spermatophyta.裸子植物亚门, 种子植物门。
派生词