Strawberry.  Apple, pear, and peach have their seeds on the inside and they grow on trees.  Strawberries on the other hand have their seeds on the outside and they grow on vines

"San" means "Saint".  Juan is another form of the name "John".  "Capistrano" is an Italian Surname that often means "captain".  San Juan Capistrano means that it is named after Saint John the captain.