Table 1 Sampling information of the seven populations of Osyris lanceolata. The annual rainfall and temperature provided were obtained from the respective weather stations for the sub-regions of Karamoja (Uganda) and Rift-valley (Kenya)
Population | Country | Sample Size (n) | Longitude | Latitude |  | Altitude (m) | Mean annual rainfall (mm) | Mean annual temperature (°C) |
|---|---|---|---|---|---|---|---|---|
Mau | Kenya | 30 | 36.08889 | -0.607300 | Â | 2288 | 1025.0 | 21.00 |
Laikipia | Kenya | 26 | 36.37124 | -0.117420 | Â | 2055 | 207.27 | 15.70 |
Baringo | Kenya | 30 | 35.78866 | -0.396067 | Â | 2040 | 635.00 | 25.00 |
Mt. Elgon | Kenya | 28 | 34.81058 | 1.152700 | Â | 2007 | 1280.0 | 18.50 |
Moroto | Uganda | 20 | 34.759366 | 2.4524783 | Â | 1754 | 800.00 | 20.60 |
Amudat | Uganda | 60 | 34.80616 | 1.484444 | Â | 1434 | 154.45 | 24.99 |
Nakapiripirit | Uganda | 16 | 34.71965 | 1.869604 | Â | 1401 | 156.53 | 25.33 |