Tetralix is a genus of flowering plants in the mallow family Malvaceae, native to Cuba. Adapted to serpentine soils, they are nickel hyperaccumulators. Species Currently accepted species include: Tetralix brachypetalus Griseb. Tetralix cristalensis Bisse Tetralix jaucoensis Bisse Tetralix moaensis Bisse Tetralix nipensis Urb. References Malvaceae genera Endemic flora of Cuba Grewioideae