Some species of the genus Acacia bear bipinnate leaves, while others have no leaves at all, but bear broadened and flattened petioles instead.
Vries, Hugo de, Species and Varieties, Their Origin...(2010)
The large pinnate or rarely bipinnate leaves give the Cycads a superficial resemblance in habit to Palms.
Seward, A. C. (Albert Charles), Darwin and Modern Science(2010)