AbacaAbaca is made from black banana tree, it is only found in Philipine, it is from banana tree layer, in Indonesia called pelepah. The pelepah is remove from the tree, especially the outer layer. Then it is dried into the sun, and after is completely dry, the material is ready to twist. The characteristics of abaca are it is stronger because it is twist, and also the color of abaca is very beautiful, so you no need to finish it with other color.
Sources:
1. www.kubu-rattan-furniture.com/materials.php
2. www.syntheticwickerrattan.com/materials.php