When you rub towards you, it is smooth. But when you stroke down on it, it cuts you.
It started growing about week ago and is growing fast. It is about 2 feet tall now.
And yes I know I have that horrible crab grass growing right beside it. I did a weed spray killer about a month ago and it says I cannot do it again for a while.
So I am just plucking them by hand. and also bagging my grass now. Also I have to wait until the temperature goes down, because once it gets above 75 (I think), you cannot treat your bermuda grass with the weed killer.
It may be Yellow Nutsedge. Google Images it, and if it develops similar blooms, do your best to get rid of it. It's one of the most invasive plants there is.
Nutsedge is what I was thinking, too.
Here is a link that might be useful: nutsedge