|Habitat||alpine tundra near the alpine timberline; scattered|
Cross-section round. Outline smooth. Culm center hollow. Epidermis with hairs. No visual difference between epidermis cells and sclerenchyma cells. Continuous peripheral sclerenchymatic belt. Vascular bundles integrated in peripheral stabilisation structu
Outline wavy. Upper epidermis cells in one row. Epidermis with hairs. Vascular bundles near the upper side of the leaf. Girders extending from the vascular bundle to the lower side of the leaf.