Preferred Scientific Name
- Allium neapolitanum Cirillo
Preferred Common Name
- False onion weed
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The following summary is from Witt and Luke (2017):
A long-lived or evergreen onion-like plant with upright stems [15–60 (–100) cm tall]; underground bulbs white, egg-shaped (15–25 mm long).
Argentina, Brazil, Chile, Costa Rica, Guatemala, Honduras, Mexico, Panama, Paraguay, Peru and Uruguay.
Reason for Introduction
Ornament and accidentally as a contaminant.
Roadsides, disturbed areas, wastelands, urban open spaces, gardens, croplands, plantations, wetlands and riversides.
Forms dense stands, to the possible detriment of native flora and fauna. In temperate regions of Australia, it is considered to be an environmental weed in coastal districts, and has been recorded in many conservation areas. Regarded as an agricultural weed in parts of the USA, it often dominates in croplands (Fragman-Sapir, 2003). When harvested with crops A. neapolitanum often imparts
an undesirable garlic or onion flavour to contaminated food products, reducing quality and often resulting in produce being rejected for sale or export (CDFA, 2009).
The distribution in this summary table is based on all the information available. When several references are cited, they may give conflicting information on the status. Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report.Last updated: 25 Feb 2021
|Continent/Country/Region||Distribution||Last Reported||Origin||First Reported||Invasive||Reference||Notes|
Witt, A., Luke, Q., 2017. Guide to the naturalized and invasive plants of Eastern Africa, [ed. by Witt, A., Luke, Q.]. Wallingford, UK: CABI.vi + 601 pp. http://www.cabi.org/cabebooks/ebook/20173158959 doi:10.1079/9781786392145.0000
Dovas C I, Hatziloukas E, Salomon R, Barg E, Shiboleth Y, Katis N I, 2001. Incidence of viruses infecting Allium spp. in Greece. European Journal of Plant Pathology. 107 (7), 677-684. DOI:10.1023/A:1011958914573
Witt A, Luke Q, 2017. Guide to the naturalized and invasive plants of Eastern Africa. [ed. by Witt A, Luke Q]. Wallingford, UK: CABI. vi + 601 pp. http://www.cabi.org/cabebooks/ebook/20173158959 DOI:10.1079/9781786392145.0000
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