Question: Which is native to Western China, Petrocosmea or Onoclea?
Sentence (from "Turkic languages"): The Turkic languages originated in a region of East Asia spanning Western China to Mongolia, where Proto-Turkic is thought to have been spoken, according to one estimate, around 2,500 years ago, from where they expanded to Central Asia and farther west during the first millennium.
Relevant evidence: No