group of yellow trillium - trillium luteum

america american americana appalachain appalachia appalachian beauty bloom blooming blooms blossom blue botanical botany colony detail ecology flora floral flower flowering flowers forest green horizontal lanceolate leaf leaves luteum mottled mountain mountains mountian mountians natural nature outdoors park parkway petalspetal plant protected purity rare ridge spring springtime states summer trillium united usa vertical virginia wild wildflower wildflowers wood woodland woods yellow