The Hunger Games star Jena Malone has announced she has named her first child Ode Mountain.

The 31-year-old actress revealed the unusual name choice as she shared an image on Instagram with her newborn son and her partner Ethan DeLorenzo.

In the caption, she wrote: “The best weekend of our lives!!! What an incredible blessing to be chosen by this amazing, kind, gentle and beautiful soul to be his parents.

“Humbled and in complete awe that we get to experience the most ancient and transcendent love that exists.

“Thank you Ode Mountain DeLorenzo Malone.”

Her partner Ethan also shared a video on Instagram as he and Jena cradled their baby son.

Jena played Johanna Mason in the Hunger Games films Catching Fire, Mockingjay – Part One, and Mockingjay – Part Two.

She started her career as a child actor and achieved roles in hit films Contact, Stepmom and Donnie Darko.