Ключевые слова: belarus flora, black background, botanical illustration, botanical science, botany, carpathian walnut, catkin, closeup, common walnut, english walnut, focus stacking, juglandaceae, juglans, juglans regia, leaf scar, lenticel, macro, madeira walnut, male inflorescence, nature, persian walnut, plants, staminate inflorescence, twig, vascular bundle, vascular traces, virtual herbarium, walnut,