close-up of purple flowers with green leaves. these flowers are in full bloom, and vibrant color contrasts against dark

nature closeup plant leaf flower macro purple botany summer green color petal beauty blossom freshness head herb single pink springtime outdoors black background backgrounds growth people object multi colored season organic isolated food gardening wildflower uncultivated focus foreground insect herbal medicine dark pattern selective blue fragility environment branch bud healthy eating colors yellow agriculture generative ai