The sepals of the plant Arabidopsis thaliana -- commonly known as the mouse-eared cress -- are characterized by an outer layer of cells that vary widely in their sizes, and are distributed in equally ...

Before seedlings can photosynthesize, they depend on fatty acids—and on peroxisomes to process them. Researchers discovered ...

image: A mature flower of Saltugilia caruifolia (left), accompanied with a microscopic view of the petal lobes (right) showing the 3-D cell structure, which has implications in the flower's ...

A plant cell wall is arranged in layers and contains cellulose microfibrils, hemicellulose, pectin, lignin, and soluble protein. These components are organized into three major layers: the primary ...

When a pollinator is at your front steps about to come in for a drink of nectar, you'd be foolish to let a gust of wind blow her away. That's why most flowers have installed velcro doormats. Pointy ...