|Habitat||Hemiboreal gallery forest with Betula pendula along a small creek|
Cross-section round. Outline wavy. Culm center hollow. Recognizable epidermis cells. Large vascular bundles in one row. Small vascular bundles integrated in the sclerenchymatic belt. Solitary large vascular bundles. Sclerenchymatic sheath around vascular
Outline wavy. Upper epidermis cells in several rows. Vascular bundles centered between the upper and lower side of the leaf. Girders extending from the vascular bundle to the lower side of the leaf.