Senna gaudichaudii, also known by many common names, including kolomana in Hawaii and as blunt-leaved senna in Australia, is a species of flowering plant in the family Fabaceae and is native to some Pacific Islands including Hawaii, parts of Southeast Asia and Queensland in Australia. It is shrub or small tree with pinnate leaves, usually with three to five pairs of oblong to egg-shaped leaflets, and yellow flowers arranged in groups of four to ten, with ten fertile stamens in each flower.

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