Classification
Kingdom: Plantae (2715)
Phylum: Tracheophyta (2630)
Class: Magnoliopsida (2217)
Order: Fabales (244)
Family: Fabaceae (244)(family description)
Genus: Caesalpinia (6)
Epithet: spinosa (Molina) Kuntze (8)
Synonyms: Caesalpinia pectinata Cav., Caesalpinia tara Ruiz & Pav., Caesalpinia tinctoria DC., Coulteria tinctoria (Molina) Kunth, Poinciana spinosa Molina, Tara spinosa (Molina) Britton & Rose
spinosa => having spines or thorns
tinctoria => used for dyeing.