> But Pu'er is a small place that historically traded the tea we now
> call Pu'er. *Hunan is a vast place where countless teas are grown,
> most of them, as you know, *not* heicha. *So it would be a distortion,
> then, just to call the tea in question Xiang Cha, right?

Right, it would be somewhat of a distortion, maybe "Xiang Hei" would
be a better term.

> What about marketing it as Lubiancha? *Chinese people who know the tea
> in question will know that name, I think. *And maybe non-Chinese will
> be beguiled by the romantic Silk Road aura it has?

As far as Lubiancha is concerned, historically, Sichuan and Yunnan had
a much more prominent role in trading teas along those routes.