Hau Kuahiwi (IMAGE) Pensoft Publishers Caption The flowers or hau kuahiwi are filled with nutrient-rich nectar, and are an important food source for Hawaiian honeyeater birds, now also mostly extinct. Credit Hank Oppenheimer, Plant Extinction Prevention Program Usage Restrictions CC-BY 4.0 License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.