Oldenlandia uncinella var. mekongensis Pierre Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Hedyotis species Hedyotis uncinella Name Homonyms Oldenlandia uncinella var. mekongensis Pierre ex Pit. Oldenlandia uncinella var. mekongensis Pierre Oldenlandia uncinella subsp. mekongensis