Haha, I've been scouring the web for people mentioning yaupon and ran across you all. I've heard of yaupon I own a yaupon tea company along with a couple of friends. If you haven't tried it and you're still interested I'd be more than happy to give you a discount code for our site. Come check out http://lostpinesyaupontea.com. Send me a msg through our contact form and I'll shoot you a 20% off code.
As far as flavor.. our light roast tastes similar to green tea or if you brew it really strong like guayusa and unsmoked yerba mate. Our dark roast tastes similar to black tea but with it's own flavor.