A pollinator in action on a cannonball tree. In a study of evening primrose (Oenothera), asexual species accumulated more adverse DNA mutations compared to their sexual counterparts. Also, sexual ...

Vascular bundles in a plant’s leaf, shown above in an image taken through a microscope, contain xylem. This is a network of tissues that helps transport water throughout the interior of the plant.

The beauty of shrub and tree branches appears when leaves are absent. Take advantage of this time to prune woody plants to prevent crossing and rubbing branches, thin out dense ...