Why did Jonas feel upset during the Ceremony of Twelve?

He got skipped over and no one called his name until the end. In addition to this, he had been nervous about the ceremony until that point. He was different from the other kids there, he didn't get a normal job.

Explanation:

FYI, if you haven't read The Giver, read it for real. It's a really fun read :)

the correct answer is:

from context clues heliotrope is probably a flower.

a heliotrope are peruvian plants that have small purplish plants.