Environmental Weeds in Sydney North

• Noxious Weeds
• Other Significant Environmental Weeds
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Weed control

• Hand removal techniques
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Pennywort

Botanical Name: Hydrocotyle bonariensis
Family: APIACEAE  


Source: Weeds - Auld & Medd

 

Description:
Originating from South America, Pennywort is a scrambling prostrate perrenial herb with extensive stems running along or beneath the surface, rooting at nodes.

Leaves bright green, leathery and circular, margins with rounded teeth, on a long petiole attached at the centre of the back of the leaf.

Creamy-white on compound umbels, profusely branched with many flowers.

Dispersal:
Spread quickly by means of its underground stems.

Impact on Bushland:
A versatile plant which grows on moist and / or dry sandy soils, in dunes or swamps.

Control:

Manual: Nuisance plant difficult to control over large areas where it is growing amongst wanted plants.
  It thrives on mulch and being dug up - every broken piece of stem will grow.
  Use a wick to wipe neat a Glyphosate-based product onto part of each leaf.
Chemical: Please contact your local control authority for advice on chemical control.

Similar Species:
The native Hydrocotyle laxiflora has softer smaller and slightly hairy leaves. Another native species Hydrocotyle verticillata is found in freshwater swamps and has smaller leaves

Suggested Alternatives:

References: