PETSAY or PECHAY
petsay
bokchoy or bok-choy or bok choy or bok choi or bokchoi
petsay
Chinese cabbage
also spelled pechay or pakchay

Petsay is a popular vegetable in the Philippines. It is a subspecies of the plant having the scientific name Brassica rapa. It is also known as snow cabbage, Chinese chard or Chinese white cabbage in English.
The subspecies Brassica rapa pekinensis is called Baguio pechay or pechay wombok in the Philippines.
Petsay is added to Filipino stews such as nilagang baka (boiled beef) or bulalo (boiled beef shank).