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Varieties with a similar appearance
Bem
| Characters compared | Value |
| Maturity: | Early to intermediate |
| Foliage cover: | Good to dense |
| Flower colour: | Blue violet |
| Flower frequency: | Frequent |
| Pollen fertility: | Low |
| Light sprout colour: | Pink |
| Tuber skin colour: | White to yellow |
| Primary tuber flesh colour: | Light yellow |
| Tuber shape: | Oval to round |
| Variety | Characters matched | Sources |
| Bem | 9/9 | 2 |
| Alpha | 7/9 | 5 |
| Spartaan | 7/9 | 4 |
| Renova | 7/9 | 4 |
| Ilse | 7/9 | 3 |
| Marfona | 7/9 | 3 |
| Primura | 6/9 | 7 |
| Saturna | 6/9 | 6 |
| Obelix | 6/9 | 6 |
| Concurrent | 6/9 | 4 |
| Tondra | 6/9 | 4 |
| Remarka | 6/9 | 4 |
| Sante | 6/9 | 4 |
| Resy | 6/9 | 3 |
| Resident | 6/9 | 3 |
| Patrones | 6/9 | 3 |
| Edzina | 6/9 | 3 |
| Wilja | 6/9 | 3 |
| Pentland Ivory | 6/9 | 3 |
| Reine Laure | 6/9 | 2 |
| Mirakel | 6/9 | 2 |
| Radosa | 6/9 | 2 |
| Risa | 6/9 | 2 |
| Redstar | 6/9 | 2 |
| Amelio | 6/9 | 2 |
| Athene | 6/9 | 2 |
| Valtti (SWE002) | 6/9 | 1 |
| Glada | 6/9 | 1 |
