Trees: Almug or Algum
Source: TTT
1 Kings 10:11, 12
(The fleet of Hiram that brought gold from Ophir also brought from Ophir a great cargo of almug wood and precious stones. / The king made the almug wood into steps for the house of the LORD and for the king’s palace, and into lyres and harps for the singers. Never before had such almug wood been brought in, nor has such been seen to this day.)
2 Chronicles 9:10, 11
(The servants of Hiram and of Solomon who brought gold from Ophir also brought algum wood and precious stones. / The king made the algum wood into steps for the house of the LORD and for the king’s palace, and into lyres and harps for the singers. Never before had anything like them been seen in the land of Judah.)