The spiral pattern of an Aloe polyphylla plant at the University of California Botanical Garden. Stan Shebs via Wikicommons under CC BY-SA 3.0 To the untrained eye, plants may appear to grow rather ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Defining the characteristics of individual leaves is part of tree morphology, ...

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 ...

New University of Arizona research indicates that leaf vein patterns correlate with functions such as carbon intake and water use -- knowledge that could help scientists better understand the complex ...

v. 1. Annonaceae.--v. 2. Lauraceae.--v. 3. Myrtaceae.--v. 4. Melastomataceae.--v. 5. Combretaceae.--v. 6. Flacourtiaceae.--v. 7. The classification of leaf venation ...