The desert tobacco tolerance for nicotine-spiked nectar N. attenuata lures hummingbirds (Archilochus alexandri) with appears less risky. Yet, how might outsweet nectar flavors but sends them away with nicotine. This crossing–when a flower is fertilized strategy allows them to both attract pollinators and effectively by pollen from a different plant–benmove their pollen between plants. Efit a plant that can pollinate itself, such as N. attenuata?