The gymnosperms (/ ˈdʒɪmnəˌspɜːrmz, - noʊ -/ ⓘ nə-spurmz, -⁠noh-; lit. 'revealed seeds') are a group of woody, perennial seed-producing plants, typically lacking the protective outer …

6 天之前 · gymnosperm, any vascular plant that reproduces by means of an exposed seed, or ovule —unlike angiosperms, or flowering plants, whose seeds are enclosed by mature ovaries, …

2024年10月26日 · Gymnosperms are one of the oldest groups of seed-producing plants, predating the flowering plants known as angiosperms. They are integral to many ecosystems, …

2017年4月27日 · Gymnosperms are a group of plants which produce seeds that are not contained within an ovary or fruit. The seeds are open to the air and are directly fertilized by pollination.

Gymnosperms are a group of vascular plants which do not produce flowers but form seeds. Explore the characteristics, examples and classification of gymnosperms only at BYJU'S.

2018年5月2日 · Gymnosperms are flowerless plants that produce cones and seeds. The term gymnosperm literally means "naked seed," as gymnosperm seeds are not encased within an …

2023年8月3日 · Definition: Gymnosperms are the plants that are most ancient vascular, flowerless, seed-producing, and can reproduce through an exposed seed or ovule. They …

2024年10月8日 · Gymnosperms, from the Greek words gymnos meaning “naked” and sperma meaning “seed,” are a diverse group of seed-producing plants known for their unprotected …

2025年2月26日 · The term gymnosperm (“naked seeds”) represents four extant divisions of vascular plants whose ovules (seeds) are exposed on the surface of cone scales. The cone …

Gymnosperms are heterosporous seed plants that produce naked seeds. They appeared in the Paleozoic period and were the dominant plant life during the Mesozoic. Modern-day …