Q. I have a problem weed. It is rubbery with teardrop-shaped leaves. I’ve noticed it will reroot itself when thrown on the ground. It is very hard to kill. In fact, I think it thrives on Round-Up. Can you help? — Teresa Allman, United REMC A. The green, rubbery leaves of purslane are one-half to 1.5 inches long on thick, reddish-green stems. It sometimes bears yellow flowers, and the seeds are borne in a small […]