Hymenocallis crassifolia is a flowering plant in the family Amaryllidaceae.Herbert, William. An Appendix: (General index to the Botanical magazine, vol. 43-48 containing a treatise on bulbous roots) 44. 1821. Its common name is coastal Carolina spiderlily. It is known from wetlands in North Carolina, South Carolina, Georgia and Florida.Kew World Checklist of Selected Plant FamiliesBiota of North America Program 2013 county distribution map It is distinguished from other species of the genus by its stiff, coriaceous, liguliform leaves.Flora of North America vol 26, p 288.

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