Form: vine — perennial
Status: present in WA
Climbing perennial herb with a tuberous root stock producing annual stems. It is a fast-growing climbing vine that quickly covers nearby plants.
Stems: Several metres long, rough feel because of the short stiff hairs.
Leaves: Broad, three to ten centimetres long, four to ten centimetres wide, three to seven lobed. Upper surface hairless, lower surface hairy and bearing three to eight glands near attachment of leaf stalk and major vein branching. Margin of the leaf notched. Leaf tip is blunt. Leaf petioles (stalks) one to three centimetres long. Tendrils are unbranched.
Flowers: Male and female flowers are on separate plants. Male flowers are solitary, rarely in axillary clusters of two to three. Flower stalks 15-50 millimetres long. Calyx lobes pointed, bending outwards two to five millimetres long. Corolla lobes white, oval 15-20 millimetres long. Female flowers solitary on stalks 10-30 centimetres long.
Fruit: Red, ovoid to elliptical, 25-60 millimetres long, 15-35 millimetres in diameter, hairless on stalks 10-40 millimetres long.
Seeds: Tan coloured, six to seven millimetres long and margins thickened.
Agricultural and economic impact
An environmental weed, but hosts pests and diseases of horticultural Cucurbitaceae crops.
Declared pest category
The Western Australian Organism List (WAOL) contains information on the area(s) in which this pest is declared and the control and keeping categories to which it has been assigned in Western Australia (WA). Use the links on this page to reach ivy gourd in WAOL.
Requirements for land owners/occupiers and other persons
Requirements for land owners/occupiers and other persons if this pest is found can be sourced through the declared plant requirements link.
Search > detect > report
Report the presence of this organism before undertaking a control measure. Control methods for this declared plant can be found through the ivy gourd control link.