What are these?

 
Hi folks, 
Does anybody know what these are, please?
I bought ten crocosmia Emily McKenzie corms off ebay (yes, I know!) last autumn,  They came, duly labelled, wee things about a centimetre in diameter in a plastic bag, and tbh I threw them in the back of a drawer and forgot about them.  I came across them about six months later and planted them in three pots in the greenhouse without much hope that anything would come up.  After a couple of months (of continuing ignoring apart from occasional watering, out of guilt), to my surprise, these emerged.  They're clearly not crocosmia of any sort! And I don't know what they are. They've obviously sent me the wrong corms, and frankly given my lack of care I'm just pleased anything came up at all.  But they have a strong root system (starting to come out of the bottom of the pots) and I'd like to know what I've got.  One of them is doing something that looks a bit like a peace lily but isn't, the leaves (and, is that a flower?) are wrong. It's not an arum lily either. What are they?
cj