Nauclea scandens Roxb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Uncaria species Uncaria sessilifructus Name Homonyms Nauclea scandens Sm. Nauclea scandens Roxb. ex Hook.f. Nauclea scandens Roxb.