0540-0543 Carex umbrosa
| First Collector | NA |
| Collection Date | july 1970 |
| Country | Switzerland |
| Province | Zurich |
| Latitude | NA |
| Longitude | NA |
| Altitude | 430 |
| Habitat | Perennial. Ash forest, hill zone. |
Anatomical description of culm
Culm-diameter 1-2 mm, wall very large, radius of culm in relation to wall thickness approximately 1: 0.75. Otline triangular, obtusely. Culm-center hollow and surrounded by many large thin-walled, not lignified cells. Center with net-like aerenchyma (stel
Anatomical description of rhyzom
Rhizome diameter 1-1.99 mm, Rhizome center full, containing unlignified cells. Endodermis absent.With cortex/central cylinder separation. Endodermis present. Endodermis cells u-shaped, thick walled. Cells in the cortex round. Vascular bundles in the cort