The flowering plants, also known as Angiospermae (/ ˌ æ n dʒ i oʊ ˈ s p ɜːr m iː /), or Magnoliophyta (/ m æ ɡ ˌ n oʊ l i ˈ ɒ f ɪ t ə,-oʊ f aɪ t ə /), are the most diverse group of land plants, with 64 orders, 416 families, approximately 13,000 known genera and 300,000 known species. Class–Cycadopsida . Of all the families plants, the Poaceae, or grass family, is by far the most important, providing the bulk of all feedstocks (rice, corn (maize), wheat, barley, rye, oats, pearl millet, sugar cane, sorghum). The difference between Gymnosperms and Angiosperms were given in Table 2.5 . Economic importance Agriculture is almost entirely dependent on angiosperms, either directly or indirectly through livestock feed. (ii) They are the ancestors of Angiosperms (flowering plants), (iii) Unlike other members, gnetales have vessels in xylem. Family- Cycadaceae . Economic importance of Gymnosperms . Major food crops of the world belongs to the family. (iv) Flowers arranged in compound strobili or inflorescence, (v) Embryo with 2 Cotyledons. c) Cruciferae. Angiosperms • The angiosperms (also called flowering plants) are a major group of land plants with 250,000 species. The remaining species, confined to the flowering plants (angiosperms) and the conifer order of gymnosperms, were classified by taxonomic class or subclass, order, family and genus, based on the APG III system of flowering … b) Hemp. Economic Importance of Gymnosperms Gymnosperms are the small group of plants, which constitutes a sub division of spermatophyta or phanerogams. c) Coir. Plant genomes, model plants and a brief information on economic importance are also given. Economic Importance of Gymnosperms: provide woods for making paper, furniture and houses. Genus - Cycas . Economic importance of Angiosperms: It provides food in form of fruits and seeds. Fibers are obtained from the plants like cotton, jute etc. Angiosperms evolved by using more mobile life forms to spread, and thus diversify, their genetic code. There are about 73 genera and 7000 species in subdivision gymnospermae . d) Gramineae. Angiosperms are more than 3,00,000 species, making them the most abundant kind of plant on our planet. Cycas . b) Solanaceae. It is widely distributed in tropical and sub tropical region of … Economic Importance of Angiosperms Another economical advantage of angiosperms is that they provide various pharmaceuticals. Angiosperms are the largest group of plants on Earth, accounting for approximately 80% of all known living plants. 6. 3. a) Gram. 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