|Habitat||Steppe woodland of Betula pendula|
Cross-section triangular. Outline wavy. Culm center with net-like parenchyma cells (aerenchyma). Recognizable epidermis cells. Peripheral sclerenchymatic stabilisation structure (girders) rectangular. Large vascular bundles in 2-3 rows. Solitary large vas
Outline wavy. Upper and lower epidermis cells of equal size and shape. 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.