RE: Contractile roots

>Don Bittel's answer to Mike Bordelon's question has one flaw.
>Amorphophallus DO have contractile roots. Just have a look at older
>roots at the top of the tuber when you take one out. It is especially
>noticeable on larger plants. The "drop in the hole" idea will certainly
>be true but without the contractile roots, the whole structure would
>tumble to its side for lack of anchorage.

Would the new tuber not also grow into the old cavity as the old tuber


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