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.
Histological sections. A-C. Vegetative shoot tips with leaves, small axillary buds and a central zone at the shoot apical meristem (C: am). D, E (same specimen). Young inflorescences with bracts, axillary flower buds and a central zone at the tip of the inflorescence meristem (E: im). F-H. Later stages with swollen medullar parenchyma and unchanged meristem tips. I-K., At the end of flower production the meristem returns to the vegetative state. Bars: 100 μm.
