夏白菜 xia bai cai (Brassica rapa pekinensis，Brassica campestris pekinensis，Brassica pekinensis)

On 2013-07-27 (at about 1130 am) I bought a packet of this organic green leafy vegetable (about 270 grams) which I did not see 

at my regular vegetable for a long time. 

The producer is Fire Flies Health Farm.

This veg is 夏白菜 xia bai cai (Brassica rapa pekinensis，Brassica campestris pekinensis，Brassica pekinensis)