It's called fasciation (fas-see-A-shun)- Mullen, celosia (aka cockscomb) and even some cacti do it. Here's some info on it-

Fascinating Fasciation


Granny :hippy:
Storm Crow Reviewed by Storm Crow on . "V" Shaped Polyploid Secondary, it's an Alien! Readers of my log knows that one of my little ladies got something strange. At first, the secondaries on this plant were bigger than usual. But then, in flowering stage, it blown up!!! Pics as of now! The other polyploid! Rating: 5