Plant: Pringles Manzanita (Arctostaphylos pringlei)
@nancyasquith @cwbarrows @susanmf This reminds me of the pic on Gallformers, termed “Unknown leafy-manzanita-gall.” Your feedback, please. Thank you!
Not sure if there's anybody still home, but you can still find the cute little galls on the leaf undersides, in this case Interior Live Oak. They make the live oak trees look pretty ratty though.