Lathyrus purpureocaeruleus Knowles & Westc. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fabales family Fabaceae genus Lathyrus species Lathyrus pubescens Name Homonyms Lathyrus purpureocaeruleus Knowles & Westc.