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.
Seven kinds of Fritillaria materials used in China. (a)–(g) were Fritillaria delavayi Franch, F. unibraacteate Hsiao et. K. C. Hsia, F. cirrhosa D. Don, F. thunbergii Miq. (big), F. thunbergii Miq. (small), F. pallidiflora Schrenk, and F. ussuriensis Maxim, respectively.
