Note:  Do not rely on this information. It is very old.

Yucca

Yucca, a genus of Liliaceae, occurring in the Southern United States, Mexico, and Central America. They are commonly arborescent, having a pericycle in which new fibro-vascular bundles originate in old stems. Their leaves are in a crown, rigid linear-lanceolate, and acute, from which they have acquired the popular name of Adam's Needle.

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