american wake-robin trillium grandiflorum `snow bunting` flowering with solitary, brilliant-white, fully double flowers in the

american beautiful bloom blooming blossom botanic botany bright brilliant bunting closeup creamy delicate detailed details double flora floral flower frillium garden gardening grandiflorum great green growing largeflowered leaves macro nature outdoors park particular petals plant pure showy single snow snowbunting solitary spring springtime stamens sunlight three trillium wakerobin white whorl woodland