broad-leaved dock (rumex obtusifolius subsp. obtusifolius). fruiting whorl closeup

polygonaceae rumex obtusifolius articulated bitter dock bluntleaf broadleaved butter deltoid dentate leaf filiform fruit infructescence lingulate pedicel peduncle perianth segment stem triangular tubercle valve whorl subsp broad-leaved subsp obtusifolius fruiting closeup virtual herbarium belarus flora: focus-stacked closeups wild cultivated plants including flowers leaves fruits intended illustrations botanical manuals