Jacksonia sericea
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Jacksonia sericea, commonly known as waldjumi,[1] is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is a spreading to prostrate shrub with greyish-green branches, straight, sharply-pointed side branches, leaves reduced to scales, orange flowers with red markings, and woody, densely hairy pods.
Description
Jacksonia sericea is a spreading to prostrate shrub that typically grows up to Template:Cvt high and Template:Cvt wide. It has greyish-green branches, the end branches Template:Cvt long, Template:Cvt wide and mostly sharply-pointed. Its leaves are reduced to narrowly egg-shaped, pale brown scales with toothed edges, Template:Cvt long and Template:Cvt wide. The flowers are scattered along the branches on a pedicel Template:Cvt long, with narrowly egg-shaped bracteoles Template:Cvt long on the middle or near the top of the pedicels. The floral tube is Template:Cvt long and the sepals are membranous, with lobes Template:Cvt long and Template:Cvt wide. The standard petal is orange with red markings, Template:Cvt long, the wings are orange without markings, Template:Cvt long, and the keel is orange or red, Template:Cvt long. The stamens have white filaments with pink ends and Template:Cvt long. Flowering occurs from October to January, and the fruit is a woody, densely hairy pod Template:Cvt long and Template:Cvt wide.[1][2]
Taxonomy
Jacksonia sericea was first formally described in 1837 by George Bentham in Stephan Endlicher's Enumeratio plantarum quas in Novae Hollandiae ora austro-occidentali ad fluvium Cygnorum et in sinu Regis Georgii collegit Carolus Liber Baro de Hügel.[3][4] from specimens collected near King George Sound. The specific epithet (sericea) means 'silky'.[5]
Distribution and habitat
This species of Jacksonia grows in sandy soil over limestone, and is found in Perth suburbs between Wanneroo and Mandurah in the Swan Coastal Plain bioregion of south-western Western Australia.[1][2]
Conservation status
Waldjumi is listed as "Priority Four" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions,[1] meaning that it is rare or near threatened.[6]
References
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