The lower eudicot genus holds enormous potential for investigating aspects of development, ecology, and evolution that are otherwise unrepresented among existing model systems. Its evolutionary history is of particular interest because it represents a phylogenetic midpoint between models such as and but, at the same time, has experienced a recent adaptive radiation within the genus. To take advantage of these features, a collaborative group has developed a number of genetic and genomic resources for that have facilitated the study of its distinct morphology. This work has demonstrated that although the petaloid sepals of do not depend on B-class genes for their identity, these loci do control development of the petals, stamens, and novel staminodium. Overall, stands as a key example of the potential utility and speed of developing new genetic model systems.


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  • Article Type: Review Article
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