<http://webisa.webdatacommons.org/prov/393127292>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/335737757> .
<http://webisa.webdatacommons.org/335737757>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/335737757>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<purdue.edu> .
<http://webisa.webdatacommons.org/335737757>	<http://www.w3.org/ns/prov#value>	"Purple leaf sheath is a harmless disorder that results when pollen or other debris become trapped in the leaf sheaths by the stalk." .