<synset id="n11978551" type="n">
<lex_filenum>20<lex_filenum/>
<word lex_id="0">swamp sunflower<word/>
<word lex_id="0">Helianthus angustifolius<word/>
<pointer refs="n11978233">Hypernym<pointer/>
<def>sunflower of eastern North America having narrow leaves and found in bogs<def/>
<synset/>