It looks odd doesn't it? I've not come across this on any of mine, but then we all know these types of jades can throw out all manner of oddities, as obviously you know Hobbits, Gollums etc all have a wide and varied leaf shape. I hope it retains this oddball leaf as it grows, but I don't think it's something that will appear on further leaves. Can I mention that the pot is rather large for the cutting, please don't water yet as it has no roots, better in a smaller pot IMHO if you don't mind me commenting :) is the compost it's in peaty? Hope not as that will retain too much moisture....and no, I don't personally think this is a virus, just a variation on a Hobbit leaf.

Gill UK

It's cute :-)

Your cutting there is a 'Hobbit,' and so this type of formation on the underside of the leaf is fairly common. 'Hobbit' will display all sorts of overgrown, incomplete, fused, et cetera, septum on the leaves.

Josh

I've got a weird one, too! Well ... weirder than usual. I'm waiting to see if it does, in fact, grow a whole new leaf off the tip, as it seems to be doing!

Dannie's Gollum has a nickname that I prefer (for such a lovely plant)- coral jade. I think they missed the boat when they named it after a monster, even if it is considered a monstrose. Oh well, nobody called me when they named it, haha!

Amynoacids, that's an interesting angle for the photo. At first glance I thought it was a bug with wings. If you grew just that leaf in question, would the whole plant turn out like that, do you think? That would be interesting. I've had a hobbit for less than a year so far is all, but no sign of that kind of growth yet.

ez

It's in well-draining medium, no peat, smallest pot I had available. I've had the plant for several years and haven't noticed anything weird before, but also can't say I was looking that closely. I didn't see this one until I broke it off. :)