Heatmap-style matrix for scanning cultivar evidence coverage by trait type.
Cultivars: 3
| ID | Cultivar | Taxon | hardiness zone | disease resistance | fruit color | growth habit | rootstock compatibility | pollination |
|---|---|---|---|---|---|---|---|---|
| 454 | J. B. Rue | 0 - | 0 - | 1 The fruit is deep red. | 1 The tree is large, strong, of open habit, and needs pruning to secure a more compact habit. | 0 - | 0 - | |
| 396 | Danish Damson Krueger | 0 - | 0 - | 1 A. Norby reported the fruit as blue or black. | 0 - | 0 - | 0 - | |
| 453 | Rue | 0 - | 0 - | 0 - | 0 - | 0 - | 0 - |