As long as you've evolved a unit you can see what their bloomed abilities would be from the character evolution tab, even if the unit itself hasn't met all of the conditions for blooming yet. Speaking of which:

-= Canna =-

Normal ability: "Increases critical ATK rate by 10% for 2 party members. NOTE: Depending on other abilities, activation rate can increase to up to 80%."

Evolved ability: "ATK for yourself and two more allies increases by 10% in battle, with an additional 12% added when battling a Boss."