Narrowleaf cow-wheat is a native herbaceous hemiparasitic annual. Its root structure invades the roots of other plants and allows it to extract nutrients from them. Cow-wheat can be found in common well-draining parts of New Jersey. These were near a cranberry bog along a roadside.
An open flower with a bud. See the drawbridge? 
The flowers are interesting to look at, mainly because of their drawbridge-like bud opening! They are easy to miss if you don’t look for small flowers around you.
What's growing in the Garden State 