vaccinium

As nouns the difference between shrub and vaccinium

is that shrub is a woody plant smaller than a tree, and usually with several stems from the same base or shrub can be a liquor composed of vegetable acid, fruit juice (especially lemon), sugar, sometimes vinegar, and a small amount of spirit as a preservative modern shrub is usually non-alcoholic, but in earlier times it was often mixed with a substantial amount of spirit such as brandy or rum, thus making it a liqueur while vaccinium is (botany) any of the genus vaccinium of ericaceous shrubs including the various kinds of blueberries and the true cranberries.

As a verb shrub

is (obsolete) to lop; to prune.

In botany|lang=en terms the difference between ericaceous and vaccinium

is that ericaceous is (botany) of or pertaining to the heath family (ericaceae ) while vaccinium is (botany) any of the genus vaccinium of ericaceous shrubs including the various kinds of blueberries and the true cranberries.

As an adjective ericaceous

is (especially of a plant) acid-loving, thriving in acidic conditions.

As a noun vaccinium is

(botany) any of the genus vaccinium of ericaceous shrubs including the various kinds of blueberries and the true cranberries.

As nouns the difference between genus and vaccinium

is that genus is while vaccinium is (botany) any of the genus vaccinium of ericaceous shrubs including the various kinds of blueberries and the true cranberries.