detailed botanical branch doodle with fine leaf structure. perfect for nature, eco-friendly, and organic themes. clean and simple

coco exotic leaf botanical branch nature doodle foliage lineart plant minimalist contour sketch natural stem vector eco green minimalistic clean outline soft environment flat garden organic drawing herbal ecofriendly outdoors decoration forest flora calm simple serene peaceful element zen design therapy soothing minimal earthy tranquil graphic greenery texture healing detailed fine structure perfect eco-friendly themes designs