Solanaceae Phenotype Ontology Sweet Potato Ontology Source
http://purl.obolibrary.org/obo/SP_0000016 http://www.cropontology.org/rdf/CO_331:0000433 LOOM
http://purl.obolibrary.org/obo/SP_0000009 http://www.cropontology.org/rdf/CO_331:0000046 LOOM