Quercus delgadoana. The acorn and leaf are not on same scale.
Name:
Quercus delgadoana S. Valencia, Nixon & L.M. Kelly (2011)
Classification:
Subgenus Quercus, section Lobatae (The red Oaks)
Nomenclature Note:
The plant grown under the name Quercus aff. eugeniifolia has now been described as a new species (Novon June 2011)
Distribution:
MEXICO: (Hidalgo, Puebla, Veracruz)
Oak ICRA Checklist