|Habitat||Filipendula ulmaria grassland on a valley bottom|
Cross-section triangular. Outline wavy. Culm center hollow. No visual difference between epidermis cells and sclerenchyma cells. Peripheral sclerenchymatic stabilisation structure (girders) conic. Large vascular bundles in 2-3 rows. Solitary large vascula
Outline with rips. Upper epidermis cells in one row. Epidermis with papillae. Vascular bundles near the lower side of the leaf. Girders extending from the vascular bundle to the lower side of the leaf. Large cavities.