Heimia salicifolia
 Heimia salicifolia is a species of flowering plant in the Loosestrife family Lythraceae. It is native to the Americas ranging from the southwestern United States (Texas and New Mexico) through Mexico and Central America to Argentina. Common names include Shrubby Yellowcrest Sinicuichi Sun Opener Willow-leaf Heimia Sini and Elixir of the Sun.The plant has psychoactive and medicinal properties and has been used for a variety of ailments by native peoples in Central America and Mexico.