ID please!

[bpham93]

Not sure if i should feed this to my tortoises, my dad just brought it home.



here's a closer picture

 

[mainey34]

It almost looks like romaine.
At least i got you bumped to the top...

 

[redbeef]

I've seen that in asian markets...but I only think I know the mandarin name: Youcai (I think)...I do know that it is for sure a Brassicaceae