"Black oak" is a literal English translation of "Quercus nigra."
But that is not the particular kind of oak tree to which the Latin words are linked in science and in the real world. Instead, the Latin phrase is the scientific, Latin or binomial name for the water oak. Other common names include duck, orange, possum, punk or spotted oak.
Oak.
The scientific (Latin) name for oak trees is Quercus.There are many species of oak tree, so a second word is appended to spcify the species. e.g. Quercus alba = White Oak Quercus virginiana = Eastern Live Oak Quercus fisiformus = Western Live Oak Quercus polymorpha = Monterey Oak
The Latin word is: "quercus" source: http://www.latinwordfor.com/latin-word-for-oak-tree.html
quercus
nigra
Quercus.
Quercus sessilis is a literal Latin equivalent of the English phrase "sessile oak." The masculine singular phrase also translates literally as "sitting oak" in English. The pronunciation will be "KWER-koos SES-see-lees" in Church and classical Latin.
"E glandibus quercus" translates to "from the acorns of the oak tree" in English.
Quercus laurifolia
"Ater/Atra" are the best words to use for the colour black. These mean "dull or flat black." There are two other words that mean "shiny black" in Latin, which can be used offensively: "Niger/Nigra."
The Black Oak has the Latin name Quercus velutina but the California Black Oak is called Quercus kelloggii.
Niger (masculine), nigra (feminine), nigrum (neuter).