The flowering plants (also called angiosperms) are a major group of land plants. They comprise one of the two groups in the seed plants, distinct in covering their seeds by enclosing them in a true fruit. They bear the reproductive organs in a structure called a flower; the ovule is enclosed within a carpel, which will lead to a fruit.

In the other major group of seed plants, called gymnosperms, the ovule is not enclosed at pollination and the seeds are not in a true fruit, although woody or fleshy cones often enclose and cover the seeds during maturation.

Origins

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The first evidence of angiosperms appears in the fossil record approximately 140 million years ago, during the Jurassic period (202-135 million years ago). Based on current evidence, it seems that the ancestors of the angiosperms and the Gnetophytes diverged from one another during the late Triassic (245-202 million years ago). Fossil plants with some identifiable angiosperm characteristics appear in the Jurassic and early Cretaceous (135-65 million years ago), but in relatively few and primitive forms. The great angiosperm radiation, when a great diversity of angiosperms appear in the fossil record, occurred in the mid-Cretaceous (approximately 100 million years ago). By the late Cretaceous, angiosperms appear to have become the predominant group of land plants, and many fossil plants recognizable as belonging to modern families (including beech, oak, maple, and magnolia) appeared.

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Yard and Garden: Care and feeding of holiday flowering plants http://bit.ly/7TIGRb
brownthumbgirl (Margie) Sat, 26 Dec 2009 05:24:32 -0000
Yard and Garden: Care and feeding of holiday flowering plants http://bit.ly/7TIGRb
There are over 5000 flowering plants that are native to Texas #greateststateintheunion
chaseawesome (Chase Awesome) Fri, 25 Dec 2009 19:02:23 -0000
There are over 5000 flowering plants that are native to Texas #greateststateintheunion
Flowering Perennial Plants to grow in your Garden from A is for ... http://bit.ly/5veUKT
brownthumbgirl (Margie) Fri, 25 Dec 2009 17:52:53 -0000
Flowering Perennial Plants to grow in your Garden from A is for ... http://bit.ly/5veUKT
From the Desk of Ed Hume: Flowering Potted Plants « Gardening with ... http://bit.ly/8IMG1w
specialdaysrus (Specialdays R Us) Fri, 25 Dec 2009 17:36:21 -0000
From the Desk of Ed Hume: Flowering Potted Plants « Gardening with ... http://bit.ly/8IMG1w
http://bit.ly/iCUWa flowers of almost everyone #Mother's Day #Baskets #Roses #Bloom #Fresh #Bouquets #Flowering Plants #Lily #Spring #Grow
eizer_golb (eizer golb) Fri, 25 Dec 2009 12:05:19 -0000
http://bit.ly/iCUWa flowers of almost everyone #Mother's Day #Baskets #Roses #Bloom #Fresh #Bouquets #Flowering Plants #Lily #Spring #Grow
http://bit.ly/iCUWa flowers of almost everyone #Mother's Day #Baskets #Roses #Bloom #Fresh #Bouquets #Flowering Plants #Lily #Spring #Grow
maniac_rare (maniac.rare@yahoo.in) Fri, 25 Dec 2009 11:27:35 -0000
http://bit.ly/iCUWa flowers of almost everyone #Mother's Day #Baskets #Roses #Bloom #Fresh #Bouquets #Flowering Plants #Lily #Spring #Grow

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