Elytrigia

Elytrigia is a genus of herbaceous plants in the Poaceae family. It has around twenty species native to temperate regions. They are considered weeds, among which the best known is Elytrigia repens.

Some authors consider it included in the genera Agropyron, Elymus. It comprises 158 described species and of these, only 8 accepted.

Taxonomy

The genus was described by Nicaise Augustin Desvaux and published in Nouveau Bulletin des Sciences, published by the Société Philomatique de Paris 2: 190. 1810. The type species is: Elytrigia repens Dev.

Cytology

The basic chromosome number of the genus is x = 7, with somatic chromosome numbers of 2n = 42, or 56, or 84 (rarely), as there are diploid species and a polyploid series.

Etymology

Elytrigia: Generic name that may derive from either the Greek elytron for "envelope or cover", or a combination of the generic names Elymus and Triticum.

Accepted species

The following is a list of the species of the genus Elytrigia accepted up to September 2014, arranged alphabetically. For each one, the binomial name followed by the author is indicated. abbreviated according to conventions and uses.

• Elytrigia disticha (Stapf) Prokudin
• Elytrigia × drucei Stace
• Meotica eytrigia (Prokudin) Prokudin
• Elytrigia × mucronata (Opiz ex Bercht.) Prokudin
• Elytrigia repens Desv.
• Elytrigia sosnovskyi (Hack.) Nevski
• Elytrigia stipifolia (Czern) Nevski
• Elytrigia × tesquicola Prokudin