 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
|
|
|
||||||||||
| D. knudsenii x D. laxa | Artificial Hybrid | D. microcephala x D. plantaginea |
D. knudsenii D. laxa D. microcephala D. plantaginea
Two fertile primary interspecific hybrids were crossed to produce this tetraspecific hybrid combination. Three individuals of this combination had a mean pollen stainability of 69%.