Yucca. ("yucca rostrata et bougainvillier." From Chrome research: "Yucca is a genus of perennial shrubs and trees in the family Asparagaceae, subfamily Agavoideae. Its 40-50 species are notable for their rosettes of evergreen, tough, sword-shaped leaves and large terminal panicles of white or whitish flowers. Wikipedia."
Before & After: Palm Springs Party Pad Becomes a Sleek Retreat