Grapes

In 2005, work began on sequencing the grapevine genome.

An excerpt from the article 18 facts about grapes

As a result of the research, it turned out that vines contain more than twice as many genes involved in the production of essential oils and fragrance substances than other plants whose genomes were sequenced. Grapevine was the fourth plant to have its genome sequenced, the previous ones being radish, poplar, and rice.