Figure 4.
Histolocalization of alkaloid in leaf and petiole of Mitragyna speciosa. (a) Leaf palisade and spongy parenchyma containing alkaloid (arrow); (b) Idioblast containing alkaloid in petiole.
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.