| Collector | Ellemann, L. |
| Number | 1125 |
| Collected with | |
| Country | Tanzania |
| Subpart | ARUSHA |
| County | |
| Locality | Ngorongoro Conservation Area, Oldonyo-o-ogol. Grass savanna. Information given by Laombutwa. |
| Coordinates | 2° 45' S 35° 27' E |
| Minimum elevation (m) | 1700 |
| Maximum elevation (m) | 1700 |
| Start date | 1994/03/07 |
| End date | 1994/03/07 |
| Family | Cyperaceae |
| Identification | Cyperus usitatus Burch. ex Roem. & Schult. |
| Determined by | |
| Identification qualifier | |
| Field notes | Herb. Maasai name: orng'onomi Eaten by sheep and goats. Onions eaten by herdboys are availab after the rain. |