|Habitat||Steppe with Festuca and Artemisia frigida on a river terrace, grazed by horses|
Cross-section round. Outline wavy. Culm center hollow. No visual difference between epidermis cells and sclerenchyma cells. Peripheral sclerenchymatic stabilisation structure (girders) conic. Large vascular bundles in one row. Solitary large vascular bund
Outline wavy. Upper epidermis cells in one row. Vascular bundles centered between the upper and lower side of the leaf. Girders extending from the vascular bundle to the lower side of the leaf.