Figure 1.
(A) Flowers of Acer mono. (B) Samara of A. mono. (C) An A. mono tree in warm temperate deciduous broad-leaved forest.
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.