|Habitat||Marsh with Alopecurus arundinaceus|
Cross-section round. Outline smooth. Culm center with net-like parenchyma cells (aerenchyma). Recognizable epidermis cells. Large vascular bundles in one row. Solitary large vascular bundles. Sclerenchymatic sheath around vascular bundles with 1-3 cells.
Outline smooth. Upper epidermis cells in one row. Epdermis lignified. Vascular bundles centered between the upper and lower side of the leaf. Large cavities.