I can’t see the leaves details clearly, but the fruits & flowers looks like something in the mustard family (Brassicaceae) (?). Sorry I can’t tell for certain which one this is. Check out the included in for the information of the mustard family. Best wishes!
It possible. According to sources, Brassica rapa’s upper leaves are clasping around the stems. I think your specimen’s leaves appear to have this character as well(?). Check out the included page for B. rapa. Click on the images to enlarge. Best wishes!