broad-leaved dock (rumex obtusifolius subsp. obtusifolius). infructescence closeup

polygonaceae rumex obtusifolius arcuate branch bitter dock bluntleaf broadleaved butter leaf fruit infructescence panicle pedicel peduncle perianth segment remote whorls stem subtending tubercle valve whorl subsp broad-leaved subsp obtusifolius closeup virtual herbarium belarus flora: focus-stacked closeups wild cultivated plants including flowers leaves fruits intended illustrations botanical manuals