Colubrina oppositifolia

Colubrina oppositifolia NatureServe Explorer Species Reports — NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

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FWS Digital Media Library — The U.S. Fish and Wildlife Service’s National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.Colubrina oppositifolia, known as kauila in Hawaiian, is a species of flowering tree in the family Rhamnaceae, that is endemic to Hawaii. It can be found in dry, coastal mesic, and mixed mesic forests at elevations of 240–920 m (790–3,020 ft) on the islands of Oʻahu (Waiʻanae Range) and Hawaiʻi (slopes of Kohala, Hualālai, and Mauna Loa). There is also one individual remaining on Maui. Associated plants include alaheʻe (Psydrax odorata) and ʻohe kukuluāeʻo (Reynoldsia sandwicensis). This tree reaches a height of 5–13 m (16–43 ft). The trunk is coated in shredding gray-brown bark and the smaller twigs are reddish. The leaves are oppositely arranged and have pointed oval blades. The yellow-green flowers occur in clusters of 10 to 12. The fruit is a rounded capsule which is explosively dehiscent.