Tetralix is a genus of flowering plant in the mallow family, Malvaceae. It is native to Cuba. Members of the genus are adapted to serpentine soils, and are nickel hyperaccumulators.
Species Five species are currently accepted. Tetralix brachypetalus Griseb. Tetralix cristalensis Bisse Tetralix jaucoensis Bisse Tetralix moaensis Bisse Tetralix nipensis Urb.
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