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seems to form a massive tree when fully grown - but would be interesting to grow for talking point and perhaps in a container to confine growth to shrub size?

Noticed that the latex stuff which can be got from trunk is called chicle and wondered if this is the same ingredient in some chewing gums.

I'd have a go yourself - if you have room/interest - and if any left over or of no interest perhaps 'donate' a few here for something else you're looking for. Good Luck - sounds like a good project!