0034-0037 Cyperus papyrus
| First Collector | NA |
| Collection Date | 2014-07-26 |
| Country | Switzerland |
| Province | Zurich |
| Latitude | NA |
| Longitude | NA |
| Altitude | 430 |
| Habitat | Perennial, pond, hill zone. |
Anatomical description of culm
Culm-diameter 5-10 mm, Outline circular with a smooth surface. Otline triangular, obtusely. Culm-center full, containing lignified cells. Center with net-like aerenchyma (stellate). Epidermis smooth. Epidermis cells thick-walled all around. Large vascular
Anatomical description of rhyzom
Rhizome diameter 2-4.99 mm, Rhizome center full, containing unlignified cells. Endodermis absent.With cortex/central cylinder separation. Endodermis present. Endodermis as a sclerenchymatic belt. Cells in the cortex round. Vascular bundles in the cortex a