Daviesia oppositifolia
Daviesia oppositifolia, commonly known as rattle-pea, is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is an erect shrub with many stems, egg-shaped phyllodes with the narrower end towards the base, and yellow flowers with maroon markings. Description
Daviesia oppositifolia is an erect shrub that typically grows to a height of  and has many stems. Its phyllodes are often arranged in opposite pairs, egg-shaped with the narrower end towards the base, mostly  long and  wide. The flowers are arranged in leaf axils in one or two groups of five to ten flowers surrounded by three large involucral bracts, green at first, later deep copper-maroon. The groups are on a peduncle  long, the rachis  long, each flower on a pedicel  long with bracts about  long at the base. The sepals are  long and joined at the base, the upper two lobes about  long and the lower three  long. The standard petal is elliptic with a notched tip, about  long,  wide, and yellow with a maroon base around a yellow centre. The wings are  long and maroon with yellow tips, and the keel is  long and maroon. Flowering occurs from March to November and the fruit is a flattened triangular pod  long. Taxonomy
Daviesia oppositifolia was first described in 1838 by Stephan Endlicher in the journal Annalen des Wiener Museums der Naturgeschichte from specimens collected near King George Sound. The specific epithet (oppositifolia) means "opposite-leaved". Distribution and habitat
Rattle-pea grows in forest with Eucalyptus species and mainly occurs in the Stirling Range but is also found near Denmark and Cheyne Beach, in the Esperance Plains and Jarrah Forest biogeographic regions of south-western Western Australia. Conservation status 
This daviesia is listed as "not threatened" by the Western Australian Government Department of Parks and Wildlife. References 

oppositifolia
Flora of Western Australia
Taxa named by Stephan Endlicher
Plants described in 1838