As the infection takes hold, the spots grow and the centers of the spots turn pale gray, while their borders take on a red, brown or purple color. In the middle of the pattern, you may see small black ...

The Hall China Company of East Liverpool, Ohio, made the first pieces of the Autumn Leaf pattern ware, also known as Jewel Tea, as premiums for the Jewel Tea Company of Barrington, Ill., in 1933, with ...

A Japanese plant species with a peculiar leaf pattern recently revealed unexpected insight into how almost all plants control their leaf arrangement. Leaves can be enjoyed for their shade, autumn ...

Pick up a leaf and it is hard not to notice the pattern made by the veins. For years, biologists, mathematicians and even poets and philosophers have tried to decipher the rules and regulations behind ...

Next time you go outside, take a minute to look at your local leaf arrangements. You’ll probably notice a few different patterns. In basil plants, each leaf is about 90 degrees — a quarter-turn — from ...

Most leaves are green due to the pigment chlorophyll, but other colours, such as oranges, reds and blues, may also be present due to less efficient photosynthetic pigments like anthocyanins, carotenes ...

Leaves can be enjoyed for their shade, autumn colors, or taste, and the arrangement of leaves on a plant is a practical way to identify a species. However, the details of how plants control their leaf ...