A ligule is a thin outgrowth at the junction of leaf and leafstalk of many grasses and sedges. A ligule is also a strap-shaped extension of the corolla, such as that of a ray floret in plants in the d

Phleum bertolonii is a species of perennial grass native to most of Europe, southwestern Asia, and northwestern Africa. It is a member of the genus Phleum, which consists of 17 species of annual and p