The flowering plants, also known as Angiospermae, meaning hidden seeds in Greek, are the most diverse group of land plants with 64 orders, 416 families, approximately 13,000 known genera and 300,000 known species. Like gymnosperms, angiosperms, which are also known by Magnoliophyta, are seed-producing plants.
The angiosperms dominate Earth’s surface and vegetation in more environments, particularly terrestrial habitats, than any other group of plants. As a result, angiosperms are the most important ultimate source of food for birds and mammals, including humans. ...