Arboreus

The Seal of the President of the Federal Republic of Nigeria is the official symbol of the Nigerian President. It was first used in 1979 by President Shehu Shagari in the ill-fated second republic, and jettisoned by the successive military regimes from 1983 - 1999. The presidential seal returned to usage in the wake of the fourth republic in 1999,...
Found on http://en.wikipedia.org/wiki/Arboreus

Arboreus

(Latin) something about or similar to trees
Found on http://www.hestories.info/greco-roman-world-glossary.html
No exact match found