Amoreuxia gonzalezii is a rare species of flowering plant in the Bixaceae known by the common names Santa Rita mountain yellowshow, Santa Rita throwup weed, saiya and temaqui. It is native to Sonora in Mexico, its distribution extending just above the border into Arizona in the United States, where it occurs in the Santa Rita Mountains of Pima and Santa Cruz Counties. It has also been found in the States of Sinaloa and Jalisco to the south.