fern-leaf yarrow (achillea filipendulina). stem detail closeup

achillea filipendulina asteraceae belarus flora compositae black background botanical science botany cauline leaf closeup fernleaf yarrow focus stacking macro nature nosebleed phyllotaxy plants stem virtual herbarium pinnatipartite fern-leaf filipendulina detail flora: focus-stacked closeups wild cultivated including flowers leaves fruits intended illustrations manuals