| Collector | Ellemann, L. |
| Number | 668 |
| Collected with | |
| Country | Tanzania |
| Subpart | ARUSHA |
| County | |
| Locality | Ngorongoro Conservation Area, Oloronyo. Shrub-savanna. Information given by Sambero Armaduani, Irmakaa- agergroup, Peter Ole Makutian and William Ole Seki, warriors, Irking'onde agegroup. |
| Coordinates | 3° 10' S 35° 21' E |
| Minimum elevation (m) | 2800 |
| Maximum elevation (m) | 2800 |
| Start date | 1993/06/17 |
| End date | 1993/06/17 |
| Family | Polygonaceae |
| Identification | Rumex ruwenzoriensis Chiov. |
| Determined by | |
| Identification qualifier | |
| Field notes | Herb. Maasai name: engaisiijoi oosirkon (engaisiijoi ~ something with sourish taste, isirkon ~ donkeys). Is eaten by donkeys. Smashed tuber is mixed with red soil, called "arkaria", and used to colour leather. It can be used dry and is of the same quality as "engasiijoi" for colouring of leather. |
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