Unformatted text preview: depending on the availability of moisture in the environment and protect the plant from losing too much water from evaporation (a phenomenon called transpiration). Flowers contain the reproductive organs of angiosperms. Each flower is composed of four whorls, each of which contains one of the main structures of the flower. The calyx contains the sepals and the corolla contains the petals; together, the calyx and corolla comprise the perianth, or non- reproductive portion of the flower. The androecium contains the stamens. Stamens, the male reproductive organs, each contain an anther (pollen-production site) and filament. The gynoecium, at the very center of the flower, contains the pistils (sometimes called the carpels), the female reproductive organs. Each pistil is made up of a stigma, style, and ovary....
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- Winter '09
- Biology, Plant morphology, reproductive organs