Nick Hawkins / Painted trillium (Trillium undulatum) photographed on white background, New Brunswick, Canada, May.

LYNN M. STONE / Painted trillium (Trillium undulatum) flower, Pleasant Valley, Connecticut, USA

LYNN M. STONE / Painted trillium (Trillium undulatum) flower,, Pleasant Valley, Connecticut, USA

LYNN M. STONE / Painted trillium (Trillium undulatum) in mixed-woods forest, Pleasant Valley, Connecticut, USA,May.

LYNN M. STONE / Eastern box turtle (Terrapene carolina carolina) in pine forest, by Painted Trillium flower, Connecticut, USA

Jerry Monkman / Painted Trillium {Trillium undulatum} flowers, White Mountain National Forest, New Hampshire, USA