Table 3. Cluster analysis by country including 22 countries with 5 or more cowpea accessions.
| Country | No. of accessions | Cluster by Country | Region | Cluster by region |
|---|---|---|---|---|
| USC | 74 | 1 | America Cultivar | 1 |
| Afghanistan | 16 | 1 | Central West Asia | 1 |
| Iran | 12 | 1 | Central West Asia | 1 |
| Pakistan | 5 | 1 | Central West Asia | 1 |
| Turkey | 31 | 1 | Central West Asia | 1 |
| China | 15 | 1 | East Asia | 1 |
| Hungary | 5 | 1 | Europe | 1 |
| Cameroon | 17 | 1 | West Africa | 2 |
| Niger | 9 | 1 | West Africa | 2 |
| Nigeria | 47 | 2 | West Africa | 2 |
| South Africa | 25 | 2 | South Africa | 3 |
| India | 160 | 2 | India | 3 |
| U.S.A. | 88 | 2 | North America | 3 |
| Senegal | 29 | 3 | West Africa | 2 |
| Botswana | 96 | 3 | South Africa | 3 |
| Mozambique | 5 | 3 | South Africa | 3 |
| Zimbabwe | 5 | 3 | South Africa | 3 |
| Kenya | 13 | 3 | Central East Africa | 3 |
| Australia | 9 | 3 | Oceania | 3 |
| Brazil | 7 | 3 | Latin America | 3 |
| Guatemala | 9 | 3 | Latin America | 3 |
| Mexico | 20 | 3 | Latin America | 3 |
| Paraguay | 8 | 3 | Latin America | 3 |