Cucumis myriocarpus Naudin Prickly Paddy Melon
Ann.Sci.Nat.,Bot. Ser. 4, 11:22-23 (1859)

Conservation Code: Not threatened
Naturalised Status: Alien to Western Australia
Name Status: Current

Brief Description
Grazyna Paczkowska, Tuesday 16 April 1996

Prostrate annual, herb. Fl. yellow, Jan to Feb or Apr to May. Disturbed areas.


Beard’s Provinces: Eremaean Province, South-West Province.

IBRA Regions: Gascoyne, Mallee.

IBRA Subregions: Augustus, Western Mallee.

Local Government Areas (LGAs): Dumbleyung, Upper Gascoyne.

Management Notes (for the Swan NRM Region)
Kate Brown and Karen Bettink, Monday 26 August 2019

Alternative Names. Gooseberry Cucumber, Paddy Melon.

General Biology. Growth form. Herb. Life form. Annual. Reproduction. Seed. Dispersal. Birds, water, machinery, garden/other waste, herbivorous mammals (including rabbits and cattle). Toxicity. Potentially toxic to sheep, cattle, horses and pigs.

Notes. Prefers bare disturbed areas with summer moisture. Slender taproot with many, strong, shallow laterals. Germinates in spring and summer, particularly after summer rain. Grows rapidly. Declared plant in California.

Additional information. Origin. Southern Africa.

Suggested method of management and control. Hand remove isolated plants before flowering. Has a high tolerance to glyphosate. Metsulfuron applied by backpack at 4.2 g/ha + wetting agent is effective, otherwise spot spray 2 ml Garlon® in 10 L of water + wetting agent. 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.

Management Calendar

Calendar Type Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Comments
Germination Y Y             Y Y Y Y Often after summer rainfall
Active Growth Y Y                   Y  
Flowering Y Y Y Y Y                
Fruiting   Y Y Y Y                
Manual Removal Y                 Y Y Y  
Herbicide Treatment Y                 Y Y Y  

Legend: Y = Yes, regularly, O = Occasionally, U = Uncertain, referred by others but not confirmed.



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  • Simmonds, H., Holst, P. & Bourke, C. (2008) Factsheet: Cucumis myriocarpus. Australian Weeds and Livestock URL: - Accessed July 2010.
  • USDA, ARS, National Genetic Resources Program (2009) Germplasm Resources Information Network - (GRIN). National Germplasm Resources Laboratory, Beltsville, Maryland. URL: - Accessed October 2009.

Project information and acknowledgements