Agave salmiana
Encyclopedia
Agave salmiana is a species of agave
Agave
Agave is a genus of monocots. The plants are perennial, but each rosette flowers once and then dies ; they are commonly known as the century plant....

. It comes from Mexico.

The variety A. salmiana var. ferox (K.Koch) Gentry is often encountered in cultivation. The epithet ferox is due to the hard and long (up to 8 cm) spine
Thorns, spines, and prickles
In botanical morphology, thorns, spines, and prickles are hard structures with sharp, or at least pointed, ends. In spite of this common feature, they differ in their growth and development on the plant; they are modified versions of different plant organs, stems, stipules, leaf veins, or hairs...

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