Terminal flower stem on Phalaenopsis?

[ron-in-norcal]

I have a Phalaenopsis (probably intergeneric hybrid of some sort) that was given to me, and instead of a side flower stem, it grew out of the center, much like Dendrobium phalaenopsis does. Can it grow again from the center after this? I've never had one like it, though I've not grown a huge number of Phals. Anyone familiar with this? I'm sad to say I don't even remember what the flower was like, I think it was a purple one. I've attached a photo of what I mean.