In this page there is this image:
Is it a concept model or a real model?
If this is the latter, then are there real aircraft with such wings?
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It looks like the Cessna Citation II of which hundreds were built.
By Adrian Pingstone - Own work, Public Domain, https://commons.wikimedia.org/w/index.php?curid=2971403
The wing profile is trapezoidal, as can be seen in the image below.
Image from avistar.org
This kind of wing design is found in a number of aircraft, for example the other Cessna Citation series aircraft and the Embraer Phenom 100.
By Josh Beasley from USA - Private - Embraer Phenom 100 - N629AS (26/365)Uploaded by tm, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=25761759