Brahea armata

Brahea armata, commonly known as the blue fan palm, blue hesper palm, or Mexican blue palm, is a flowering plant in the family Arecaceae, native to Baja California, Mexico. It typically grows 35–50 feet tall and 1.5–2 feet wide, with a stout trunk, and rigid silver-blue palmate fronds. As a member of subgenus Erythea, it is distinguished by distinctly armed petioles with recurved teeth.