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Categorized under "General" Definition as written by talinum: Twice pinnate. Definition as written by spklatt: A leaf that has leaflets arranged on side branches off its main axis.
Bipinnate is one of several types of compound leaves - i.e. leaves that have many leaflets. Two other examples are palmate and trifoliate. Definition as written by palmbob: Since pinnate means leaflets coming off a central rachis in a somewhat feather-like pattern, binnate refers leaflets arrising of the 'secondary petioles' also in a feather-like pattern. This is a Caryota leaf showing a binnate pattern- this is the only genus of palms that is bipinnate- all the rest are either pinnate, palmate or some 'hybrid' of the two.
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