Anatomía y usos de la madera de siete árboles tropicales de México

Abstract

The wood anatomy of Coccoloba cozumelensis Hemsl., Coccoloba spicata Lundell, Gymnanthes lucida Sw., Blomia cupanioides Miranda, Canella winterana (L.) Gaertn., Aspidosperma megalocarpon Müell Arg. and Ehretia tinifolia L., is described. One tree per species was collected in the tropical rain forest of Quintana Roo, Mexico. Their wood has important traditional uses in furniture, tools, rural buildings, posts, fences, railroads and firewood. Macroscopic and microscopic characteristics were described and measured in wood samples, perrnanent slides and macerated material. These species have diffuse porosity, alternate vessel pits, simple perforation plates, numerous and small rays; libriforrn fibres are common, as well as ergastic materia! in gum forms, calcium carbonate and silica crystals. These characteristics explain aesthetical, weigth, hardness and resistance (to mechanical and biologica! damage) characters Iha! fit traditional use by (he Maya.