Yes! The other comments are incorrect. This is a condition known as reversion. These trees are actually a mutation of a typical conifer, known aptly as a “dwarf conifer”. Mutations are oftentimes unstable, and can revert back to their original form - that’s what has happened to this tree. One of the branches (or multiple, potentially) have reverted and it’s actually growing a normal-size conifer on those branches now. Kinda neat! But can also be very bad for the tree.
Just to add on, having genetic variation in a particular branch is also called a botanical sport, and the example in that wiki page is the same thing happening in this pic.
I saw a documentary about a woman whose arms didn't stop growing. It was a mutation but only in her arms so it happened during embryonic development in the cells that develop into arms