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22 August 2002Detection of the exotic weed Phytolacca rivinoides in Queensland Submitted by the Project Manager, Strategic Weed Control, Department of Natural Resources and Mines, Queensland.PurposeFor Information and Comment.BackgroundA plant was collected by an officer of Douglas Shire Council in April this year from the banks of Whyanbeel Creek, Miallo, North Queensland. The specimen could not be identified by the Queensland Herbarium and therefore was sent to the Royal Botanic Gardens, Kew. The plant was recently confirmed as Phytolacca rivinoides in family Phytolaccaceae. This is a new record for Queensland and Australia.P. rivinoides is a tropical rainforest plant from central and South America. Its native distribution extends from Mexico to Argentina including the islands in the Caribbean region. In Ecuador, it occurs in the coastal, Andean and Amazonian regions, where elevation varies from 1-2500 metres.Issues- A first record of this species for Australia- This species is listed as a common weed in Puerto Rico and present in Peru. Its actual impact in these countries is unknown.- Little information on this species has been obtained by QNR&M as yet.Action1. Control of plants in the immediate area, and some further surveillance will be undertaken in conjunction with such activities for other P1 plants later in the year (refer notification for Miconia racemosa).2. Broadscale control (if, in fact, necessary) is not recommended until a weed risk assessment is undertaken and such action is found to be warranted.3. Other States will be notified through the CCEPI/AWC.Selected References:Holm, L.G., Pancho, J.V., Herberger, J.P. and Plucknett, D.L. (1979). "A Geographical Atlas of World Weeds," Krieger Publishing Company, Florida.Tropicos (2002). Tropicos W3 database, Catalogue of the Vascular Plants of Ecuador, http://mobot.mobot.org/cgi-bin/search_vast

URL: http://mobot.mobot.org/cgi-bin/search_vast


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This page was created on 13 September 2007 by PT, and was last updated on 13 September 2007 by PT based on data from Rod Randall's Global Compendium of Weeds database dated 24 January 2007. Valid HTML 4.01!