Ciriaco Álvarez was a businessman from Chonchi, Chiloé who rose to prominence in the exploitation of Pilgerodendron uviferum (Spanish: ciprés de las Guaitecas) in the southern Chilean archipelagoes.
[1] His dominance of the industry led him being dubbed "The King of Pilgerodendron" (Spanish: El Rey del Ciprés).
[1] The chief export products of Álvarez were poles and vine training stacks that went to northern Chile and Peru.
[2][3][4] To make vine stacks smaller Pilgerodendron than usual were harvested.
[3] Álvarez industry had great effects on the incipient economic development that came to link the archipelagoes of Chiloé, Guaitecas and Chonos.