Figure 1.
Photograph of Pyrrosiae Folium (A) Pyrrosia sheareri; (B) P. lingua; (C) P. petiolosa. (Upper: whole herb, Lower: unfolded leaf).
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.