pink flowers and green leaves of himalayan balsam (impatiens glandulifera), combatted as an invasive neophyte

pink flower himalayan balsam impatiens glandulifera neophyte plant bloom invasive growing growth combatted control europe annual nature flora botany leaves green foliage helmet hooded nectar ornamental purple petal weed wild inflorescence pollen wildflower blooming countryside environmental conservation ecology uncultivated environment outdoors copy space day nobody flowers some areas selected focus narrow depth field