This medium sized tree with almost 3-5 cm long leaves, greyish-tomentose beneath and with 2.5-3 cm long fruit, only 1/4 acorn visible. Pl. help in ID, photographed in Sunnyvale.
singhg45 Delhi, India Dec 15, 2012
vngarden Seattle, WA Dec 15, 2012
Looks like Quercus x alvodiana. It is evergreen and from California.