|Habitat||Upper part of a slope of the glacial cirque, vegetation dominated by Pleurozium schreberi, Vaccinium myrtillus, Rhododendron aureum, Cladonia species, and Sphagnum sp., on organic soil; scattered|
Cross-section triangular. Outline with rips. Culm center hollow. Peripheral sclerenchymatic stabilisation structure (girders) rectangular. Large vascular bundles in 2-3 rows. Vascular bundles integrated in peripheral stabilisation structure (girders). Scl
Outline wavy. Vascular bundles centered between the upper and lower side of the leaf. Girders extending from the vascular bundle to both sides of the leaf.