autumn hand drawn colorful seamless pattern mushroom, leaf, nut, clove, walnut, flowers, poppy, acorn. detailed botanical

acorn autumn background botanical botany card clove colored colorful creative decorative design detailed doodle drawing drawn element elements fabric fall flower flowers forest garden graphic hand herb illustration illustrations isolated leaf leaves monochrome mushroom nature nut oak october ornament pattern plant poppy print seamless season seasonal september simple sketch textile texture tree wallpaper walnut watercolor white