Asparagaceae

Genus: Yucca
Species: gigantea (aka guztemalensis)
Author: Lem.
Elevation: Up to 2700m
Avg. Height: 3-4m

Source: http://tropical.theferns.info/viewtropical.php?id=Yucca+gigantea
Photo Source: http://tropical.theferns.info/image.php?id=Yucca+gigantea