Classification
Kingdom: Plantae (2715)
Phylum: Tracheophyta (2630)
Class: Magnoliopsida (2217)
Order: Fabales (244)
Family: Fabaceae (244)(family description)
Genus: Crotalaria (9)
Epithet: tetragona Andrews (1)
Synonyms: Crotalaria esquirolii H.Lev., Crotalaria grandiflora Zoll.
esquirolii => in honor of Joseph Henri Esquirol (1870-1934), French missionary, linguist and plant collector in Yunnan, P.R. China
grandiflora => with flowers larger than the normal
tetragona => four-angled, square