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A twining herbaceous plant. Leaves are trifoliate, composed of three linear or oval-shaped leaflets. Upper leaves are often very long and narrow, whereas lower leaves are more usually oval-shaped. Leaflet surfaces hairless or sparsely hairy. Flowers are typical √ępea√≠ flowers of mauve and purple or pale blue. Flowers are followed by long, straight or slightly curved pods. Up to 12 roughly cube-shaped seeds are held in each pod. These are dark and firm at maturity.
Seed is protected by a thick seed coat which must be broken prior to germination. This can be done by manually nicking the coat or by soaking the seed in near-boiling water. The best results are usually obtained by nicking.
Year round. Chiefly August to October.
Common though rarely dominant in reserves and by roadsides. Notable populations include Willans Hill, Murraguldrie Flora Reserve and roadsides west of Wagga Wagga (e.g. The Gap Rd and many adjacent roads). Often seen growing over fences..

Based on the flora of the Graham Centre Biodiversity Nursery