The genus name is mostly Danish astronomer Tycho Brahe, the adjective it refers specifically to the presence of spines on the leaf petiole. This species is native to Mexico and Southern California, was discovered around 1880 by the naturalist B. Roezl and was immediately introduced in Europe for ornamental purposes.
E 'a palm tree with straight stem, robust, up to 12-15 m high with a diameter up to 5 dm widened at the base to the leg of an elephant. Its leaves are palmate, green and blue glaucous, waxy, with a stalk of 1.5 m, prickly on the margins with curved thorns clear and sometimes bifid.
The lamina also measure 1.5 m, is divided up to half the height of 50-60 segments brittle, it is rigid and often concave top, folded along the median. The petiole is prolonged into a ligule a few cm in the middle of the plate. The leaves are persistent long after drying and hang down the trunk. The inflorescence much branched (4 orders of branching) is protected at the base by some hairy Spathes is 4 m long and more comes out and hanging from the arched crown.
The fruits are very showy, and are ovoid, mucronate, measuring about 2 cm and change color from yellow-green to reddish-brown with age. 
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