. . . . . "Bulnesia is a genus of flowering plants in the caltrop family, Zygophyllaceae. The wood of some \u2013 particularly B. arborea and B. sarmientoi \u2013 is traded as verawood (colloquially \"vera\") or \"lignum vitae\". They are close relatives of the \"true\" lignum vitae trees of genus Guaiacum."@en . . . . .