embryonic
Emerging; coming into view or into existence; nascent; new.
Having leaves and flowers above the water.
Having gameplay that arises from its mechanics, rather than a linear storyline.
Having properties as a whole that are more complex than the properties contributed by each of the components individually.
Arising unexpectedly, especially if also calling for immediate reaction.
Taller than the surrounding vegetation.
Constituting an emergency.
A plant whose root system grows underwater, but whose shoot, leaves and flowers grow up and above the water.