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 ...

DURING the process of sex differentiation, male and female metabolic systems develop in the flower. Their unification at pollination creates a single system with a metabolism of extremely high ...

Growing tissue from cells in a petri dish is hard enough, but growing multiple types of tissue, connecting them, and keeping them alive for weeks is even more daunting. A team led by Teresa K.