In certain areas there are still caranday palms (Trithrinax campestri) that are isolated or in colonies which occur now as relicts.    From Wordnik.com.  [Argentine Espinal] Reference

Local caranday palm logs were used for the framework, wall cladding, windows, doors, and even roof (made by alternately laying hollowed out halved logs, like Spanish tiles).    From Wordnik.com.  [Chapter 11] Reference