|Habitat||Dry steppe grazed by ground squirrels and pikas|
Cross-section round. Outline smooth. Culm center filled. Recognizable epidermis cells. Continuous peripheral sclerenchymatic belt. Large vascular bundles in one row. Small vascular bundles integrated in the sclerenchymatic belt. Solitary large vascular bu
Outline wavy. Upper epidermis cells in several rows. 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.