Robuta

https://plants.ces.ncsu.edu/plants/saururus-cernuus/common-name/american-swamp-lily/ American Swamp Lily - Saururus cernuus | North Carolina Extension Gardener Plant Toolbox saururus cernuus north carolina extension gardener american swamp https://fsus.ncbg.unc.edu/main.php?pg=show-taxon.php&plantname=Saururus+cernuus Saururus cernuus (Lizard's-tail) - FSUS saururus cernuus lizard tail