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Koa (Acacia) ©Forest and Kim Starr ©Forest and Kim Starr A Koa plant can have two different types of leaves. Can you see the two types? Why would a plant have two types of leaves? How would this help it survive? Koa fruit are like pea pods. They break open to release the seeds!! Koa trees can grow up to 90 feet tall! They grow in dry or wet forests from lowland areas up into the mountains. In Hawai‘i, Koa trees were traditionally used to make canoe hulls. The trunks of old Koa trees can be 65 feet long and up to 6 feet wide (in diameter)!! Plants in the same family have similar flowers or fruits. From what you know about Koa flowers and fruits, can you spot the plants from the Pea family? FACT BOX: Hawaiian name: Koa Scientific name: Acacia Scientific family: Pea family (Fabaceae) Hawaiian species: Acacia koa is the only native species in Hawai‘i. There are four other species that are not native, but have been introduced to Hawai‘i by humans. Worldwide Distribution: There are approximately 1000 different Acacia species that are found in different parts of the world. © J.L. Birch, University of Hawai‘i at Mānoa (with support from the National Science Foundation (Award # 0910402))
