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seed plant, any of the more than 300,000 species of seed -bearing vascular plants. Although the taxonomic division Spermatophyta is no longer accepted, the term spermatophyte is used to refer collectively to the angiosperms (flowering plants) and gymnosperms (conifers, cycads, and allies). See also seed.
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seed, the characteristic reproductive body of both...
- Seed
Seed plant. A seed plant or spermatophyte (lit. 'seed plant'; from Ancient Greek σπέρματος (spérmatos) 'seed' and φυτόν (phytón) 'plant'), also known as a phanerogam (taxon Phanerogamae) or a phaenogam (taxon Phaenogamae), is any plant that produces seeds. It is a category of embryophyte (i.e. land plant) that includes most of ...
Plants that produce spores (ferns, mosses, liverworts and green algae). Seed plants have special structures on them (flowers or cones) where special male and female cells join through a process called fertilisation. After fertilisation, a tiny plant called an embryo is formed inside a seed. The seed protects the embryo and stores food for it.
Sep 30, 2021 · Two kinds of plants bear seeds: gymnosperms and angiosperms. Gymnosperm means "naked seed," and refers to the fact that these seed-bearing plants do not produce fruit to protect their seeds. In contrast, the angiosperms – otherwise known as the "flowering plants" – form flowers that become fruit. Although gymnosperms and angiosperms produce ...
Angiosperms — Flowering Seed Plants (Covered Seed Plants) Angiosperms are plants that have seeds encased in a protective covering. That covering is the ovary; it is the part of the flower structure. It distinguishes angiosperms from gymnosperms, the other seed plants. So it can be said that angiosperms are also flowering plants.
Jan 25, 2007 · The common feature uniting seed plants is the "seed habit," a unique method of sexual reproduction. In all vascular plants, the conspicuous plant is a spore producer (sporophyte) that alternates, in the life cycle, with a sexual phase (gametophyte). Insect pollination of orchards and other crops is worth. billion per year and as well sets seed ...
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Oct 11, 2024 · seed, the characteristic reproductive body of both angiosperms (flowering plants) and gymnosperms (e.g., conifers, cycads, and ginkgos). Essentially, a seed consists of a miniature undeveloped plant (the embryo), which, alone or in the company of stored food for its early development after germination, is surrounded by a protective coat (the ...
