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What is a Gymnosperm plant?
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Are gymnosperms spermatophytes?
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.
May 2, 2018 · Gymnosperms are flowerless plants that produce cones and seeds. The term gymnosperm literally means "naked seed," as gymnosperm seeds are not encased within an ovary. Rather, they sit exposed on the surface of leaf-like structures called bracts.
- Regina Bailey
Gymnosperm seeds are usually formed in unisexual cones, known as strobili, and the plants lack fruits and flowers. Both groups use pollen to facilitate fertilization, though angiosperms have an incredible diversity of pollination strategies that are not found among the gymnosperms.
- Melissa Petruzzello
The non-encased condition of their seeds contrasts with the seeds and ovules of flowering plants (angiosperms), which are enclosed within an ovary. Gymnosperm seeds develop either on the surface of scales or leaves, which are often modified to form cones, or on their own as in yew, Torreya, and Ginkgo. [2]
Gymnosperms are non-flowering plants belonging to the sub-kingdom Embophyta. The seeds are not enclosed in an ovary or fruit. They are exposed on the surface of the leaf-like structures of the gymnosperms.
Sep 13, 2024 · Approximately 130 million years ago, flowering plants (angiosperms) evolved from gymnosperms, although the identity of the specific gymnospermous ancestral group remains unresolved. The primary distinction between gymnosperms and angiosperms is that angiosperms reproduce by means of flowers.
Feb 28, 2012 · This article is an introduction to a large group of non-flowering plants called the Gymnosperms. Most gardeners are familiar with the terms gymnosperm and angiosperm, but many may not be sure exactly what the differences are.
