"For the ammonite genus Parkinsonia, see Parkinsonia (ammonite) Parkinsonia /\u02CCp\u0251rk\u0268n\u02C8so\u028Ani\u0259/, also Cercidium /s\u0259r\u02C8s\u026Adi\u0259m/, is a genus of flowering plants in the pea family, Fabaceae. It contains about 12 species that are native to semi-desert regions of Africa and the Americas."@en . "Peltophoropsis (Chiov.)" . . . . "Cercidium (Tul.)" . . "Cercidiopsis (Britton&Rose)" . . . . . "Rhetinophloeum (H.Karst.)" . .