Robust, erect herb, ca 1.5 m high. Fl. pink, Mar to Apr.
Beard’s Provinces: Northern Province.
IBRA Regions: Northern Kimberley.
IBRA Subregions: Mitchell.
Local Government Areas (LGAs): Christmas Island, Wyndham-East Kimberley.
General Biology. Growth form. Grass. Life form. Perennial, caespitose/rhizomatous. Reproduction. Rhizomes, tillers, possibly seed. Dispersal. Wind, water, birds, soil movement, garden refuse. Photosynthetic Pathway. C4. Seedbank persistence. Possibly produces viable seed, persistence unknown. Fire response. Resprouts.
Notes. Occurs in riparian areas, roadsides and wetter regions. Can form large clumps up to 4m tall.
Additional information. Origin. Tropical Africa. History of use/introduction. First introduced for fodder.
Suggested method of management and control. Dig out small infestations. Slash in winter and/or spray with 1% glyphosate + penetrant in spring to autumn. Follow up treatment until regrowth ceases. Follow-up seedling control. Use unplanned fire events to effectively control any regrowth. Read the manufacturers' labels and material safety data sheets before using herbicides. For further information consult the Australian Pesticides and Veterinary Medicines Authority to determine the status of permits for your situation or state.
Legend: Y = Yes, regularly, O = Occasionally, U = Uncertain, referred by others but not confirmed.
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Western Australian Herbarium (1998–). FloraBase—the Western Australian Flora. Department of Biodiversity, Conservation and Attractions. https://florabase.dpaw.wa.gov.au/