Hardenbergia is a genus of three species of flowering plants in the pea family, Fabaceae and is endemic to Australia.

Plants in this genus are climbing or trailing herbs or subshrubs with pinnate leaves with one, three or five leaflets and groups of violet, white or pinkish flowers in pairs or small clusters in leaf axils.

Plants in the genus Hardenbergia are climbing or trailing herbs or subshrubs with leaves arranged alternately along the stems.

The flowers are usually arranged in pairs or small clusters in leaf axils and are medium-sized, violet, white or pinkish, the standard petal with a yellowish or greenish centre.

[2][3][4][5] The genus Hardenbergia was first formally described in 1837 by George Bentham in Stephan Endlicher's Enumeratio plantarum quas in Novae Hollandiae ora austro-occidentali ad fluvium Cygnorum et in sinu Regis Georgii collegit Carolus Liber Baro de Hügel.