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 ...

If you were a flowering plant, wouldn't you want your pollen to be received by a plant of your own kind? According to a new study, at least one plant may ensure that happens, by blasting "rival" ...

For one group of plants, having brightly coloured flowers isn’t enough to guarantee being pollinated. When birds rip bits out of the flowers to eat them, special bellow-like organs blast pollen onto ...