I live on the coast of the northeastern part of Brazil (Rio Grande do Norte). As you go inland, the terrain becomes very arid. There are cactus and a lot of xerophilic plants that remind me a lot of those from southern California or Arizona. Since the sun is almost always shining here, starting a fire with a magnifying glass isn't very difficult, but if you had to do so with the bow or drill method, what Brazilian plants would work best? Fire-starting methods often involve a spindle and a hearth. What plants or woods would be most suitable for that in the interior regions of northeastern Brazil?