0157-0160 Schoenus nigricans
| First Collector | NA |
| Collection Date | 2016-05-22 |
| Country | Switzerland |
| Province | Argovia |
| Latitude | NA |
| Longitude | NA |
| Altitude | 430 |
| Habitat | Perennial. Wet meadow, hill zone. |
Anatomical description of culm
Culm-diameter 1-2 mm, wall large, radius of culm in relation to wall thickness approximately 1: 0.5. Outline circular with a smooth surface. Culm-center hollow and surrounded by many large thin-walled, not lignified cells. Center with net-like aerenchyma
Anatomical description of rhyzom
Rhizome diameter 5-10 mm, Rhizome center full, containing unlignified cells. Without cortex/central cylinder separation. Endodermis absent. Endodermis indistinct. Cells in the cortex round. Vascular bundles in central cylinde dispersed arranged. Vascular