Fig. 1.
FCSS histogram from seeds formed by sexual reproduction. I, Embryo nuclei; II, endosperm nuclei, with a ratio of approx. 2 : 3. (A) Androsace alpina (no. 9844); (B) Leontopodium alpinum (no. 9878).
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.