Greens vs Tatsoi - What's the difference?

As a proper noun greens

is (informal) a green party.

(taxlink) or , an asian variety of brassica rapa grown for greens, lately popular in north american cuisine.

(head)

(plurale tantum) The leaves of certain edible green plants, especially of brassicas, eaten as a vegetable.

(plurale tantum) Any vegetables eaten by humans, regardless of colour.

* beet greens * collard greens * dandelion greens * leafy greens * mess of greens * salad greens * spring greens * turnip greens * warrigal greens

(head)

(green)

(-)

(taxlink) or , an Asian variety of Brassica rapa grown for greens, lately popular in North American cuisine.

* Chinese cabbage