Robuta

https://www.gardendesign.com/perennials/foamflower.html

https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=262391&isprofile=0&pt=8&chr=25

https://www.rhs.org.uk/plants/101746/tiarella-tiger-stripe/details