das·​y·​lir·​i·​on | \ˌdasəˈlirēən\

Definition of dasylirion 

1 capitalized : a genus of plants (family Liliaceae) related to Yucca and Dracaena that are native to Mexico and the southwestern U.S. and have a woody stem, stiff sword-shaped leaves, and small white flowers

2 plural -s : any plant of the genus Dasylirion

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History and Etymology for dasylirion

New Latin, from dasy- + Greek leirion lily

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