What is the {taxon} for {this taxon is source of} of {palm oil}
What is the taxon present in palm oil?
 select distinct ?sbj where { ?sbj wdt:P1672 wd:Q231458 . ?sbj wdt:P31 wd:Q16521 } 
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1672> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q231458> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q16521> } 
What's the taxon in palm oil?