Synonyms: Lathyrus attenuatus (heterotypic); Lathyrus cyaneus digitatus (homotypic); Lathyrus cyaneus var. puberulus; Lathyrus cyaneus var. sessilifolius; Lathyrus cyanus; Lathyrus digitatus f. freynii; Lathyrus digitatus tempskyanus; Lathyrus digitatus var. puberulus; Lathyrus filiformis (heterotypic); Lathyrus sessilifolius (heterotypic); Lathyrus sessilifolius var. longiflorus; Lathyrus tempskyanus; Orobus canescens var. digitatus; Orobus canescens var. sessilifolius; Orobus cyaneus (heterotypic); Orobus digitatus (homotypic); Orobus sessiliflorus (homotypic); Orobus sessilifolius; Orobus tempskyanus; Platystylis sessilifolia; Spatulima angustifolia