Robuta

https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2019.00553/full
Sugarcane (Saccharum spp.) is highly polyploid and aneuploid. Modern cultivars are derived from hybridization between S. officinarum and S. spontaneum. This ...
gene duplicationcase studyfrontierssugarcanegenome
https://www.purdue.edu/newsroom/archive/releases/2013/Q3/study-genome-duplication-aids-plants-survival-in-saline-soils.html
Having more than two sets of chromosomes can increase a plant's ability to take up nutrients and survive in saline soils, a joint study by Purdue University...
genome duplicationsaline soilsstudyaidsplant