The angiosperms include most flowers, herbs, shrubs, vines, grasses and blossom-producing broadleaved
trees. The presence of flowers, and seeds enclosed in fruits (angiosperm means 'seed in receptacle'),
differentiate them from gymnosperms, such as conifers. There are two great groups of angiosperms:
monocotyledons and dicotyledons. 'Monocot' seeds have one cotyledon, or seed-leaf, in the seed.