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- The gymnosperms are cone-bearing, vascular seed plants that do not bear flowers. Their seeds develop either on the surface of scales or leaves, often modified to form cones, or at the end of short stalks as in Ginkgo.
botanicalsociety.org.za/gymnosperm-life-cycle-and-diversity/Gymnosperm life cycle and diversity - The Botanical Society ...
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Oct 14, 2024 · 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, or fruits. The seeds of many gymnosperms (literally ‘naked seeds’) are borne in cones and are not visible until maturity.
Gymnosperms, like all vascular plants, have a sporophyte-dominant life cycle, which means they spend most of their life cycle with diploid cells, while the gametophyte (gamete-bearing phase) is relatively short-lived.
May 2, 2018 · Gymnosperms are vascular plants of the subkingdom Embyophyta and include conifers, cycads, ginkgoes, and gnetophytes. Some of the most recognizable examples of these woody shrubs and trees include pines, spruces, firs, and ginkgoes.
- Regina Bailey
Sep 13, 2024 · 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-bearing gymnosperms are among the largest and oldest living organisms in the world.
Apr 27, 2017 · Vascular Plants – A large group of plants defined as those which have tissues (xylem and phloem) for conducting minerals and water throughout the plant. Non-vascular Plants – The group of plants without the xylem and phloem vascular tissues, although they usually transport water through other mechanisms.
Oct 31, 2023 · They have a vascular system (used for the transportation of water and nutrients) that includes roots, xylem, and phloem. The name gymnosperm means “naked seed,” which is the major distinguishing factor between gymnosperms and angiosperms, the two distinct subgroups of seed plants.
Characteristics of the gymnosperms include naked seeds, separate female and male gametophytes, pollen cones and ovulate cones, pollination by wind and insects, and tracheids (which transport water and solutes in the vascular system).
