In my area the name of this plant is Rhubarb. While the scientific name of Rhubarb is Rheum x hybridum.

Rhubarb is a vegetable known for its tart taste and thick stems. Usually rhubarb is cooked with sugar. Rhubarb stalks range in color from pink to pale green and have a consistency similar to celery.

Rhubarb is commonly found in mountainous areas around the world, especially in East Asia. This plant is also a common garden plant in plants by people in North America and Northern Europe.