Bellyache bush, cotton-leaved physic nut
Jatropha gossypiifolia, Fam. Euphorbiaceae
Squat erect thick-stemmed perennial shrub 2.5-4 m tall. Stems have course sticky glandular hairs.
| Weed Category: |
Restricted invasive plants Category 3 Plants declared invasive under the Biosecurity Act 2014, that are present in QLD.
Not to be distributed or disposed of.
 Thirty-two WONS (Weeds of National Significance) have been identified because of their impact on primary production and the environment, potential for spread and socioeconomic impacts.
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| Weed: | Yes |
| Form or habit: | Shrub or small tree |
| Latex: | Euphorbiaceae |
| Leaf: | Simple Alternate Young leaves deeply divided into three rounded lobes, purple, sticky, prominent gland-tipped margins. Mature leaves alternate, bright green, about 100mm in diameter, 3-5 lobes, margins covered in coarse, dark brown hairs. |
| Flower conspicuous: | Conspicuous |
| Flower colour: |
Yellow, Red |
| Flower description: | Small, red petals and yellow centre, about 4mm across, borne in clusters on upper parts of plant. |
| Fruit conspicuous: | Conspicuous |
| Fruit colour: |
Brown |
| Fruit: | Dry |
| Fruit description: | Brown, oval 3-lobed capsules, about 12 x 10mm, containing 3-4 oblong seeds about 8mm long, that are explosively expelled at maturity. |
| Habitat: | Woodland |
| Distribution | |
| Food source for: | Who eats it |
| Toxicity: | Toxic if ingested, potential allergen, toxic or irritant to domestic pets, toxic to native animals. |
| Origin: | Tropical America |
| Notes: | Spread by: seeds ‘fired’ up to 12m from parent plants, spread by water and in contaminated soil on machinery and vehicles. Tuberous roots produce suckers, especially after any disturbance. Invades/threats: disturbed areas, native vegetation, pastures. Notes: introduced as a garden ornamental; now a major weed of North Queensland, forming dense thickets. To date only recorded from 2 small populations this region – The Slade Point Reserve and Grass Tree area. May still be present in older gardens. Used medicinally and for oil overseas but poisonous to humans and stock. Category 3 restrictive invasive plant under the Biosecurity Act 2014. It must not be given away, sold, or released into the environment without a permit. The Act requires everyone to take all reasonable and practical steps to minimise the risks associated with invasive plants and animals under their control. This is called a general biosecurity obligation (GBO). |
| Information sources: | Mackay Regional Pest Management Group (2018) Weeds of the Mackay Whitsunday Region Second Edition. |
