|Habitat||Tall-sedge beds in litroral zone of the alas|
Cross-section triangular. Outline wavy. Culm center filled. Recognizable epidermis cells. Peripheral sclerenchymatic stabilisation structure (girders) conic. Large vascular bundles in 2-3 rows. Vascular bundles integrated in peripheral stabilisation struc
Outline wavy. Upper epidermis cells in several rows. Epdermis lignified. Vascular bundles near the lower side of the leaf. Girders extending from the vascular bundle to the lower side of the leaf. Large cavities.