large flowered trillium

america american americana appalachain appalachia appalachian beauty birthroots bloom blooming blue botanical botany carolina close closeup detail ecology environment flowered flowering flowers forest grandiflorum green horizontal large leaves melanthiaceae mountain mountains mountian mountians natural north parkway petals pistil plant protected province provincial purity ridge spring states stem summer thickets trilium trillium united usa vertical virginia white wild wildflower wildflowers wood woodland woods yellow