Berlin, Urban Nature Plant: “Heart’s-Ease” (Viola lutea) May 20, 2016 scarlett ‘Hearts-ease’, Sachsenhausen Concentration Camp, Oranienburg. Photo by Scarlett Messenger Kingdom: Plantae (unranked): Angiosperms (unranked): Eudicots (unranked): Rosids Order: Malpighiales Family: Violaceae Genus: Viola Species: V. lutea