My vote is for a keiki. If the roots were lost due to cold then it has to produce new roots. Also the other keiki in the photo is in the same position as the new nubb. I haven't seen a spike come from a dendrobium so low before also. Let us know when it starts to form better.
Well, it's a few weeks later and the single-pointed growth has developed two, which are now definitely leaves. So it's not a spike (though I still think it started off that way ). So keiki right? Except still no roots. It's just developing completely differently to the previous two keikis. Very confusing.
Here's a picture of the progress, and a family portrait.
Does look like a keiki, but personally with it so close to the medium I would leave it to become part of the main plant. On a sympodial orchid like this a keiki is just a new growth coming out slightly higher than usual.
Does look like a keiki, but personally with it so close to the medium I would leave it to become part of the main plant. On a sympodial orchid like this a keiki is just a new growth coming out slightly higher than usual.
Thanks Rosie, I think you are right. I think this one's growth is different because it's actually another pbulb that's just started further up. I intend to leave it on the main plant as you suggest!