Plant physiology
5507.jpg")
![Five key areas of study within plant physiology.](/Images/godic/202502/02/Plant_physiology5507.png")
![Latex being collected from a tapped rubber tree.](/Images/godic/202502/02/Latex_dripping5507.JPG")
![Space-filling model of the chlorophyll molecule.](/Images/godic/202502/02/Chlorophyll-a-3D-vdW5508.png")
Plant physiology is a subdiscipline of botany concerned with the functioning, or physiology, of plants. Closely related fields include plant morphology (structure of plants), plant ecology (interactions with the environment), phytochemistry (biochemistry of plants), cell biology, genetics, biophysics and molecular biology.