FlytrapStore product listing for S. flava var. rugelii:
https://www.flytrapcare.com/store/sar...

Matt gives a brief description and shows a Sarracenia flava var. rugelii carnivorous pitcher plant, also known as the cutthroat pitcher plant.

S. flava var. rugelii is a beautiful variation of the flava species of Sarracenia pitcher plants, carnivorous plants native to the southeastern United States.