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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Plant reproduction plays a vital role in our food systems and the balance of ecosystems, yet it remains a complex process. Plants ...