|Habitat||Fen woodland with Betula pendula|
Cross-section round. Outline with rips. Culm center hollow. No visual difference between epidermis cells and sclerenchyma cells. Continuous peripheral sclerenchymatic belt. Large vascular bundles in one row. Small vascular bundles integrated in the sclere
Outline wavy. Upper epidermis cells in several rows. Vascular bundles near the lower side of the leaf. Girders extending from the vascular bundle to the lower side of the leaf. Large cavities.