koenigia alpina, aconogonon alpinum commonly known as alpine knotweed,

koenigia alpina aconogonon alpinum commonly alpine knotweed alaskana differs leaf size achene characteristic background beautiful beauty bistorta bloom blooming blossom botany closeup color colours day endangered european field flora floral flower garden green herb landscape meadow mountain natural nature outdoor pink plant purple rare season seasonal shiny spring stunning summer wild wildflower wildlife