Mexican blue oak

noun

Definition of Mexican blue oak

: an evergreen oak (Quercus oblongifolia) of the southwestern U.S. and adjacent Mexico that grows chiefly in dry sunny regions, varies from a thicket-forming shrub to a tall tree, and produces an annual crop of edible acorns which are locally important as wildlife food

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“Mexican blue oak.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/Mexican%20blue%20oak. Accessed 6 December 2019.

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