Senegalia berlandieri (Berlandier Acacia, Guajillo Acacia, guajillo, huajillo) is a shrub native to the Southwestern United States and northeast Mexico that belongs to the subfamily Mimosoideae (wattles) of Fabaceae (legumes). It grows 1 to 5 metres (3.3 to 16.4 ft) tall, with blossoms that are spherical and white, occurring from February through April. The berlandieri epithet comes from the name of Jean-Louis Berlandier, a French naturalist who st