ANATOMICAL INVESTIGATION OF FIVE GENERA THE LEAST-KNOWN TIMBER OF APOCYNACEAE AND THEIR POTENTIAL UTILIZATION

Doubtlessly, wood identification is critically important for a number of sectors, including government organizations, the wooden-based industry, museums, law enforcement, and scientists working in fields botany, ecology, forestry, technology. Unfortunately, most species listed as “the least-known species” lack essential knowledge or even their anatomical feature basic properties to promote usage. This research aimed investigate characteristics fiber quality timber Apocynaceae family, which are authentic collection from Xylarium Bogoriense, namely , Ervatamia. sphaerocarpa, E. aurantiaca, Kopsia flavida, Lepiniopsis ternatensis, Plumeria acuminata, P. rubra, Voacanga foetida. Wood samples have indistinct growth ring boundaries, diffuse-porous vessels diagonal and/or radial pattern, multiples 4 more cells, simple perforation plate, alternate intervessel pits; distinct borders vessel-ray pits, similar with those pits size shape throughout ray cell, septate fibers minutely bordered common tangential walls. Based on length derived values dimension, some classified into Quality Class II III, rest them III pulp paper manufacturing. general characteristics, commonly can be used handicrafts raw material. quality, II, predicted potential material medium quality.