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The orientation leaflets are arranged in one or two pinnae pairs in a bipinnate compound. Each pinna also contains 10 to 26 leaflets.
The orientation leaflets are arranged in one or two pinnae pairs in a bipinnate compound. Each pinna also contains 10 to 26 leaflets. These plants grow on soil with little nutrient concentration and are not shade-tolerant. Similar to other Fabaceae plant species, the orientation of the leaves undergoes nyctinasty motions, sometimes known as "sleep," throughout the night and reopens in the light.