>>I don't know of any adaptations shown by bark. Variation in bark character=
> is one of god's gifts to botanists.
>>Eucalyptus trees show great variation within a locality: gums, boxes,=
> stringybarks, peppermints and iron-barks can all grow close together,=
> though they are different species of course. Conversely, one type of bark=
> can be found in very different environments - again on different species.
>
These aren't adaptations?