Siratro (Macroptilium atropurpureum)



Sirato will smother native shrubs, grasses or younger trees. It can form dense infestations along forest edges. It is common around waterways, particularly in coastal sand dunes north of Sydney. 


Sirato has stems 2-3 m long. Its flowers are dark reddish-black or purple. 

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Herbicide options

Contact your local council weeds officer for control advice for Siratro (Macroptilium atropurpureum).

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Legal requirements

The content provided here is for information purposes only and is taken from the Noxious Weeds Act 1993.

Area Class Legal requirements
Lord Howe Island 3 Regionally Controlled Weed
The plant must be fully and continuously suppressed and destroyed and the plant must not be sold, propagated or knowingly distributed

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For technical advice and assistance with identification please contact your local council weeds officer.
For further information call the NSW Invasive Plants and Animals Enquiry Line on 1800 680 244 or send an email to

Reviewed 2014