What is "neobouteloua"

Neobouteloua is a genus of Argentine and Chilean plants in the grass family.

1. Neobouteloua lophostachya (Griseb.) Gould - Chile, Argentina ( Catamarca, Córdoba, Salta, Tucumán, La Rioja, San Luis, Mendoza, Santiago del Estero)
2. Neobouteloua pauciracemosa M.G.López & Biurrun - Argentina ( La Rioja, San Luis)