Pollen not only plays a role in allergies, but also influences the local weather. Especially in spring, when large amounts are released, it contributes to the formation of ice in clouds, which can ...

With summer fast approaching, many people will be eager to spend time outdoors again, but for some, that excitement will be tinged with a slight dread as it also means the return of hay fever.

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 ...