A.franchetianum

[MJ Hatfield]

Just days before we got this heavy, thick snow, I dug my Arisaema
franchetianum. Attached securely to the mother tuber-corm (attachment is
such that they cannot be broken off, they are still a part of the
mother) are 6 bumps, small tuber-corms. But surrounding the mother I
found 5 unattached small tuber-corms. There is no evidence that they
were ever attached and they did not have petioles. Are these offsets?
How did they grow, unattached? There are no scars on the mother showing
any earlier attachment?
I'm not ruling out the possiblity that these could be tuber-corms of
another species, grown from seeds that I tossed into the bed when they
didn't germinate after months of semi-attention. But they were dug in
the exact place that the A.franchetianum was growing.
Any thoughts? Or am I just thoroughly confused?
MJ Hatfield