Acacia lycopodiifolia is a species of flowering plant in the family Fabaceae and is endemic to the north-western Australia. It is a spreading shrub with hairy branchlets, spreading to erect, whorls of hairy phyllodes, spherical heads of yellow flowers, and sessile pods.
Description Acacia lycopodiifolia is a semi-prostrate, spreading to ascending, sticky shrub that typically grows to a height of high and has soft or velvety hairy branchlets. The phyllodes are spreading to erect, arranged in whorls of mostly 10 to 14, long, straight or curved, slightly flattened and sometimes sticky. The phyllodes have an impressed vein on the lower surface, and a curved, bristle-like point on the end. The flowers are yellow and borne in spherical heads of 30 to 40 on a peduncle long. Flowering occurs in most months, and the pods are sessile, up to long, wide, sometimes with slightly thickened margins, and are occasionally covered with soft hairs.
Taxonomy Acacia lycopodiifolia was firstly formally described in 1837 by William Jackson Hooker in his Icones Plantarum from an unpublished description by Allan Cunningham of a specimen Cunningham collected at Cambridge Gulf. The specific epithet (lycopodiifolia) means 'Lycopodium-leaved'.
Distribution and habitat This species of wattle is found in the Central Kimberley, Dampierland, Northern Kimberley, Ord Victoria Plain, Victoria Bonaparte bioregions of Western Australia and the Arnhem Plateau, Central Kimberley, Daly Basin, Gulf Fall and Uplands, Northern Kimberley, Ord Victoria Plain, Pine Creek, Sturt Plateau, Tanami and Victoria Bonaparte bioregions of the Northern Territory. It grows in shallow, rocky, sandstone soil on hills.
See also List of Acacia species
References