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angiosperm produce covered seeds-- the seeds develop inside the ovary of a flower gymnosperms produce uncovered seeds, like those that form on pine cone's scales. Botanists have classified flowering plants into families according to the structure of their flowers and fruits. composite family one of the largest families of flowering plants. head a composite flower that is actually many small flowers grouped together disk flowers closely-packed which forms the head''s center ray flowers surround the center beautiful bloomers ray flowers of asters are usually purple but may be pink or white; their disk flowers are yellowish pea family the third largest angiosperm family, have flowers that resemble the pea blossom legumes members of this family are called (get the name from their seedpods that split along two sides. rose family 5 white, pink or rose colored petals that form a cup-shaped buttercup family have 5 rounded petals or petal-like sepals mints common plants that often have a pleasant odor caused by oil in their leaves and stems spikes long flower arrangements with clusters attached directly to the stem. honeysuckle family most fragrant wildflowers. sweet nectar parsley family clusters of small flowers umbels arrangement of flowers that have stems of nearly equal length Most members of the parsley family have compound umbels. milkweed family unusual flowers arranged in umbels. dicot double dipper generally have broad leaves with branching veins, petals in groups of 4 or 5 monocot single scoop generally have long slender leaves parallel veins lily family that bloom for only one day before they die and are replaced by another flower bulb a structure made of layers of thick, fleshy leaves surrounding a very short stem amaryllis family contains over 800 species, grow in warm areas or as potted plants in colder climates corms thick vertical, underground stems rhizomes horizontal stems lying along or just under the ground. inferior attached below the other flower parts superior attached above the other flower parts grass insignificant organism that is taken for granted and largely ignored node place where the leaf attaches to the stem blade the broad, flat portion of a leaf sheath which attaches the culm to the blade and is very important stolon a creeping stem that grows along the ground racemes the flowers grow on small stems that branch off the main stem grains fertilized flowers produce grasses cover 1/3 of the earth's land area