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.
Julian date at first flowering for the plants of this experiment, and flowering synchrony, as a function of seed origin. The flowering synchrony index varies from 0 (complete asynchrony) to 1 (complete overlap). Lettering as in Fig. 3. Dots are potential outliers (>1·5 interquartile ranges from the end of the box).
