Hymenocallis imperialis, common name Big Fatty, is a plant species native to the Mexican states of San Luis Potosí and Hidalgo. It is also cultivated in other regions as an ornamental.CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, México D.F.Kew World Checklist of Selected Plant FamiliesAll Things Plant, Spider-lilies, Hymenocallis imperialis

Description Hymenocallis imperialis is a bulb-forming perennial producing sword-shaped leaves and an umbel of large white or yellow flowers.Thaddeus Monroe Howard. 1990. Herbertia 46(2): 102–103, f. 2.

Etymology The specific epithet imperialis means imperial, stately, or grand.Eggli, U., & Newton, L. E. (2004). Etymological Dictionary of Succulent Plant Names (1st ed.). p. 115. Springer Science & Business Media.

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