Flower, the part of an angiosperm (flowering plant) that contains the plant's reproductive organs. Flowers occur in many different shapes, sizes, and colors.

The cardinal flowerThe cardinal flower is a tall plant with cardinal-red flowers.
Interesting facts about flowers
Yucca flowers of the American Southwest are pollinated by female yucca moths, which lay their eggs in the flowers' seed-producing organs. The eggs hatch into caterpillars, which feed on the seeds.
The night-blooming cereus is a climbing cactus with large, fragrant, white flowers that open only at night. The plant is grown in Hawaii, the West Indies, and other areas with a tropical climate.
The rafflesia is the world's largest flower. It measures up to 3 feet (91 centimeters) across. Rafflesias grow in Southeast Asia. They have no stems or leaves and are parasites on other plants.
Red-hot pokers have long, slender stems topped by spikes of small, brilliantly colored flowers. They belong to the lily family and may reach a height of 5 feet (1.5 meters). Red-hot pokers grow wild in Africa.
Stone plants of South Africa have leaves that look like the stones among which the plants grow. Each plant has two fleshy leaves. A white or yellow flower grows in a slit between the tops of the leaves.
The fly orchid of southern Ecuador has the shape and coloring of a female tachinid fly. This resemblance attracts male tachinid flies. The males pollinate fly orchids as they travel between blossoms.
Gloriosa lilies have long, graceful stamens (male reproductive parts) that grow out from the petals. The stems may measure up to 6 feet (1.8 meters) tall. The flowers grow in Asia and Africa.
Poinsettias have petallike leaves called bracts that surround the plants' tiny flowers. Most poinsettias have red bracts. The plants are native to Mexico and Central America.