Defining the characteristics of individual leaves is part of tree morphology, or the study of the physiological structure of trees. All trees have a leaf structure that can be classified as either ...

Tough leaves were expected to stop hungry insects, but a new forest study finds silicon offers better protection than ...

Add Yahoo as a preferred source to see more of our stories on Google. For broad-leaved trees like the holm oak, which grows in Mediterranean climates with dry summers and rainy winters, this seasonal ...

For short-lived spring wildflowers such as wood anemone (Anemone quinquefolia) and Dutchman’s breeches (Dicentra cucullaria), timing is everything. These fleeting plants, known as ephemerals, grow in ...

Britain is suffering its worst drought since the 1970s, with dry weather expected until October. Many parks and lawns are now more straw than grass, but some trees and other plants have responded in a ...