A woody or sub-woody climber with tendrils at the nodes; stem ridged; leaves imparipinnate (2-pairs and odd one) both rachis and petiole conspicuously winged.
The crude hot aqueous extract of the whole plant dose-dependently exhibited antimalarial activity by inhibiting the growth of Plasmodium falciparum (Gbeasor et al., 1989).
Extracts of various morphological parts of P. pinnata obtained by using the traditional method of preparation showed broad-spectrum antibacterial effects (Annan and Houghton). Broadbent (1962) observed that Paullinia-tannin has cardiotonic action. The compound increased diastolic tonus and coronary blood flow in isolated perfused mammalian heart.
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