Bossiaea rosmarinifolia, commonly known as Grampians bossiaea,[2] is a species of flowering plant in the family Fabaceae and is endemic to the Grampians in Victoria.

It is an erect or spreading shrub with linear leaves and yellow and red flowers.

The standard petal is yellow with a red base and up to 12 mm (0.47 in) long, the wings yellow with red or brownish markings and about 2.5 mm (0.098 in) wide, and the keel is red and about 3.5 mm (0.14 in) wide.

Flowering occurs from September to October and the fruit is an elliptic pod 10–15 mm (0.39–0.59 in) long.

[2][3] Bossiaea rosmarinifolia was first formally described in 1838 by John Lindley in Thomas Mitchell's journal, Three Expeditions into the interior of Eastern Australia.