Here's a photo of a small one I have at my house. The red 'fingers' growing off it are the fruit.

Here's a photo of a small one I have at my house. The red 'fingers' growing off it are the fruit.

I'm not sure, I haven't studied their growth yet, but it probably needs some nutrient, or water. They can be very fussy about flowering, mine has only looked like this 3 times in 10 years.