|Habitat||Open Pinus sylvestris-Betula pendula forest|
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. Vascular bundles integrated in peripheral stabi
Outline with rips. 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.