emergent

Emerging; coming into view or into existence; nascent; new.

Arising unexpectedly, especially if also calling for immediate reaction.

The chief precepts of their priests enjoin the strict keeping of their Lents, which are at least seven months in every year, and are not to be dispensed with on the most emergent necessity. Letter 43

Constituting an emergency.

Therefore, patients with ulcerative colitis should ideally be treated before they become emergent cases with toxic megacolon or perforation of the colon.

Bleeding manifestations in chronic DIC are more subacute than in acute DIC, but may become emergent as DIC progresses.

Taller than the surrounding vegetation.

Having leaves and flowers above the water.

A plant whose root system grows underwater, but whose shoot, leaves and flowers grow up and above the water.