Platylobium formosum, also known as handsome flat-pea, is a shrub that is endemic to Australia.

The species is an erect or straggling shrub with wiry stems which usually grows to a height of between 1 and 2 metres.

and are supported by a long stalk which is covered by hairs and arises from the leaf axil.

[1][2] The species was first formally described by botanist James Edward Smith in 1793 in A Specimen of the Botany of New Holland.

Following a taxonomic review of the genus Platylobium in 2011, plants in Victoria formerly known by this name have been reclassified as P. infecundum, P. montanum, P. parviflorum, P. reflexum or P.