An official website of the United States government
Here's how you know
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.
Six-month-old Acacia koa sapling. During the juvenile phase, this Hawaiian species produces pinnately compound leaves and suppressed axillary buds; in the adult phase, it produces phyllodes and elongated branches.