|Habitat||Taiga with Pinus sibirica and Picea obovata, and Calamagrostis obtusata and Carex cespitosa in the herb layer|
Cross-section round. 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 vascular
Outline with rips. Upper epidermis cells in one row. Vascular bundles near the upper side of the leaf. Girders extending from the vascular bundle to the lower side of the leaf. Large cavities.