This video segment adapted from NOVA explains how flowers play a central role in the reproductive cycle of plants. Their striking array of colors, patterns, fragrances, and nectar all require lots of ...

Many animals, including humans, are one sex, either male or female. Most flowering plants have both male and female reproductive structures, not only on the same plant, but often in the same flower.

Some plants produce heat, which has long puzzled botanists. But a new study suggests that infrared radiation is an ancient ...

H. macrantha flowers have both male and female reproductive organs. To avoid mating with themselves, individual flowers go through a male phase and then a female phase. They rely on hummingbirds to ...

For plants that rely on animals for pollination, the ability to attract the animals to their flowers can be a crucial component of fitness. A large number of studies have documented pollinators to be ...