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.
Cardioid or cardioid derived models applied in (a) Arabidopsis thaliana seeds, a cardioid elongated in the x-axis for a factor of Phi (1,618) [7]; (b) Capparis spinosa, a cardioid [8]; (c) Lotus japonicas, a cardioid [9]; and (d) Medicago truncatula, a cardioid curve elongated in the y-axis for factor of Phi [9]. Scale bar represents 0.5 mm.
