Table 1 Summary of sequencing and de novo transcriptome assemblies
| Â | R. elegans | R. speciosa | Hybrid |
|---|---|---|---|
Reads statistics | |||
 Corolla.rep1 | 10,014,677 | 14,539,782 | 17,375,901 |
 Corolla.rep2 | 10,864,678 | 19,562,006 | 12,844,342 |
 Leaf.rep1 | 30,358,373 | 22,548,145 | 12,321,208 |
 Leaf.rep2 | 15,355,909 | 20,003,457 | 15,909,209 |
 Total | 66,593,637 | 76,653,390 | 58,450,660 |
 Overall GC (%) | 45.01% | 44.39% | 45.18% |
 Overall Q20 percentage (%) | 93.29% | 92.91% | 95.90% |
Assembled unigene statistics | |||
 Number of unigenes | 44,330 | 45,509 | 52,463 |
 Total assembly length (bp) | 43,094,363 | 40,225,850 | 46,796,264 |
 Average length (bp) | 972 | 883 | 892 |
 N50 (bp) | 1,771 | 1,636 | 1,729 |
 GC (%) | 42.32% | 42.51% | 42.48% |
 Percentage of annotated unigenes | 84.14% | 81.20% | 82.32% |