Tenderstem refers to a type of vegetable that is a cross between broccoli and Chinese kale. It is known for its long, thin stems and small, tender florets. Full definition
As for the greens, I used tenderstem broccoli, kale and peas which are rich in protein, fibre, vitamin C and vitamin K and iron. (euphoricvegan.com)
I picked leek and tenderstem broccoli as my base veggies for this recipe. (coconutandberries.com)
Remove the courgettes and cook the asparagus, tenderstem broccoli and edamame beans on the griddle pan for a few minutes until cooked through. (deliciouslyella.com)