Yucca valida

Yucca valida, common name datilillo, is native to the Mexican states of Baja California, Baja California Sur, Sonora, and Sinaloa.
Yucca valida is a large, branched species up to 7 m tall.
Leaves are rigid and lance-like, up to 35 cm long.
Dead leaves hang onto the plant below the living leaves, forming a skirt around the trunk. Flowers are white, forming juicy, edible black fruits up to 4.5 cm long.