Literati is a difficult subject to pin down. The most common definition I see is that it has to "feel like" a literati tree. This reminds me of the late Justice Potter Stewart and his infamously vague definition of pornography:
I shall not today attempt further to define the kinds of material I understand to be embraced within that shorthand description ["literati bonsai"], and perhaps I could never succeed in intelligibly doing so. But I know it when I see it ...