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.
Trichome phenotypes of P. pruinosa and P. euphratica. An absence of trichomes was observed on P. euphratica branch apices, shoot tips and leaves (A, C, and E); while dense trichomes were seen on P. pruinosa (B, D, and F); Scanning electron microscopy (G, H) images of leaves from P. pruinosa and P. euphratica, respectively. Trichomes with a glabrous phenotype were observed in P. euphratica.
