231-232 Oronthium aquaticum L.
| First Collector | NA |
| Collection Date | NA |
| Country | Switzerland |
| Province | Zurich |
| Latitude | NA |
| Longitude | NA |
| Altitude | 430 |
| Habitat | Helophyte, 40-60 cm, pond |
Anatomical description of culm
Culm-diameter 5-10 mm, center full, radius of culm in relation to wall thickness 1:1. Outline circular with a smooth surface. Center with net-like aerenchyma. Without cortex/cylinder separation. Epidermis smooth. Epidermis thin-, peripheral thicker-walle