Linked from
The 7 pages that link to Shoot apical meristem, each with the reason it gives.
PhyllotaxisBroader topic: New leaves and floral organs arise around this growing region.
MeristemBroader topic: It drives primary growth at shoot tips and initiates leaves and branches.
HypocotylBroader topic: It occupies the embryonic shoot tip above the hypocotyl.
FlorigenBroader topic: Florigen acts there to redirect meristem development toward flowering.