|Botanical Name||Alocasia Macrorrhiza|
|Origin||Probably Ceylon or Tahiti|
IdentificationLarge robust plant with thick fleshy rhizomes (underground stems). Sap milky, leaves to 750 x 500 mm, erect, leathery, deep shining green or with white and green patches, oval-triangular in shape, note veins on underside. Stems thick and trunk-like in mature plants, to 5 m x 300 mm, with leaf scars, lower part often lying along the ground. Berry scarlet or orange, glossy.
HabitatsGrassy waste land and under trees. Common and a cultivation escape.
Impact to Biota and EcosystemsShades out natural ground cover.
Dispersal Routes, Vectors, Infestation SourcesCultivation escape around settled areas. Also spread by dumping of garden waste.
Grub out and place tubers where they cannot re-grow.
Metsulfuron at 5g in 10 litres of water plus Penetrant.
Grub out small areas. Spray larger infestations with Escort.
As with most Araceae the juice of this plant is toxic and can irritate eyes and soft skin areas. Care should be taken when cutting this plant.