I am glad to hear that its not just me or the area I lived in (So Cal). I have this vague memory of Sunset referring to it as Feijoa, too, back in one of their garden books in the 60's or 70"s?? (ooh, just typing that makes me sound sooooo old ).
"In the end, it's not the years in your life that count. It's the life in your years." -Abraham Lincoln