striking red berries of bittersweet nightshade from close

amara autumn background berries berry bindweed biodiversity bitter bittersweet bloom blue botanical botany climbing colorful dulcamara dulcis fellenwort felonwood flora foliage fruit green herb herbaceous invasive leaves nature nightshade perennial plant poison poisonberry poisonflower poisonous red scarlet seeds snakeberry solanum trailing vine violet weed wild woody