Photo: Trillium grandiflorum 01.

Flowering plants. Botanical garden Kaisaniemi, Helsinki, Finland. Planted. 2003-06-06.

Trillium grandiflorum (Michx.) Salisb.
Engl.: large-flowered trillium, snow trillium, birthroot.
Deu.: Grossblütiges Dreiblatt, Grosse Dreizipfellilie, Waldlilie.
Sven.: stort treblad