Hi,
You may be interested by this paper :
Moulia B., Loup C., Chartier M., Allirand J.M., Edelin C. - 1999 -
Dynamics of architectural development of isolated plants of maize
(Zea mays L.) in a non limiting environnment: The branching potential
of modern maize. Annals of Botany, 84 (5), 645-656.
It describes that maize lateral axes may have an inflorescence either
male, female, or partly male and female, when plants are grown under
low density. Also the general morphology of theses lateral axes vary
from that typical of a main stem to that of a usual ear branch.
Bruno Andrieu
INRA Unite EGC
78850 Thiverval-Grignon
France
andrieu at bcgn.grignon.inra.fr