Acacia Tree known in Hebrew as Shittah

The Acacia Tree was the designated wood to be used for the Ark of the Covenant and the alter..
(Exodus chapters 37 and 38)." The following items were made of acacia wood: the ark and its poles, the table of showbread and its poles, the brazen altar and its poles, and the incense altar and its poles, all the poles for the hanging of the curtains as well as the supports [boards]. In short, all the structural features of the tabernacle were constructed of acacia wood".