Jacksonia jackson is a species of flowering plant in the family Fabaceae and is endemic to inland Western Australia. It is an erect, spindly, spreading shrub with dull green branches, the end branches sharply-pointed phylloclades, leaves reduced to egg-shaped scales, yellow-orange flowers with red markings, and woody, densely hairy pods.
Jacksonia jackson is an erect, spindly, spreading shrub that typically grows up to high and wide. It has ribbed, flattened branches, the side branches sharply-pointed phylloclades, its leaves are reduced to egg-shaped, dark brown scales, long and wide. The flowers are arranged at the ends of main stems or on short side branches, in raceme-like clusters, each flower on a pedicel long, with egg-shaped bracteoles long and wide near the top of the pedicels. The floral tube is long and the sepals are membranous, with lobes long and wide. The standard petal is yellow-orange with a red "eye", long and deep, the wings yellow-orange with red markings, long, and the keel is yellow-orange with red markings, long. The stamens have pink filaments with a white tip and are long. Flowering occurs from July to November, and the fruit is a woody, densely hairy pod long and wide.[1]
Jacksonia jackson was first formally described in 2007 by Jennifer Anne Chappill in Australian Systematic Botany from specimens collected near an abandoned mine near Mount Jackson in 1991.[2] The specific epithet (jackson) refers to the type location.[3]
This species of Jacksonia grows in woodland near the type location in the Coolgardie bioregion of inland Western Australia.
Jacksonia jackson is listed as "Priority One" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions, meaning that it is known from only one or a few locations where it is potentially at risk.[4]