I'd say you've got yourself a very interesting plant there SlipperyP. The flowering at 18/6 and early in the grow screams of autoflowering in and of itself. But the cloning aspect brings up a bit of a speedbump. Auto's can't really be cloned...Okay, well rather, they can be cloned but doing so is useless since they lack a "true" veg state. That's their biggest drawback. In cloning, what we're doing is re-introducing part of the plant back into it's vegitative state so it can actively make roots and other foliar growth...essentially pushing a "reset" button on the new plant as if it were never flowering and could start all over again. With an auto clone it's going to be different. Autos don't base the need to flower on any light schedule, they determine when to flower by the number of days it has been since seed. It should still be able to make roots but never reverts back to the veg state as it's genetics won't let it...it simply doesn't know what a veg state is. So the result is a succesful clone that is already most of the way through it's flowering cycle and will finish up flowering at the same time it's mom does cause we never get to push any "reset" button like we do with regular clones...resulting in like a tiny nug of smokeable bud from the auto clone. So, your plant is cloneable (which I think would be true of an autoflowering plant) but the question is does it revert back to a veg state (i.e. reset button) or does it just keep on flowering away on the same schedule that mom is? Only time will tell I guess. The horizontal growth/bushiness also supports the autoflowering checklist as well. In the event that it's clones can form roots via going back into veg and can "restart" the flowering cycle, you need to clone that chic till the cows come home as you may have the first autoflowering plant that can revert to veg and therefore make usable clones. This would shave weeks off of the autoflowering grow time as it takes awhile for all of the seedling stuff to run it's course and for the plant to go into flower. Basically, if you have an auto that clones and can reset itself for flowering...you get to start up your own seed bank
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I even have a great name for it too.....you could call it SlipperySeeds
Hope this makes some sense and definately keep us updated to how this one works out for ya. Goofy plant.