Dendrocnide moroides
| Dendrocnide moroides | |
|---|---|
 |
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| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Rosids |
| Order: | Rosales |
| Family: | Urticaceae |
| Genus: | Dendrocnide |
| Species: | D. moroides |
| Binomial name | |
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Dendrocnide moroides (Wedd.) Chew |
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Dendrocnide moroides, also known as the stinging brush, mulberry-leaved stinger, gympie gympie, gympie, gympie stinger,stinger, the suicide plant, or moonlighter, is common to rainforest areas in the north east of Australia. It is best known for stinging hairs that cover the whole plant and deliver a potent neurotoxin when touched. It is the most toxic of the Australian species of stinging trees. The fruit is edible if the stinging hairs that cover it are removed.
D. moroides usually grows as a single-stemmed plant reaching 1–3 metres in height. It has large, heart-shaped leaves about 12–22 cm long and 11–18 cm wide, with finely toothed margins.
The species is unique in the genus Dendrocnide in having monoecious inflorescences in which the few male flowers are surrounded by female flowers. The flowers are small, and once pollinated, the stalk swells to form the fruit. Fruits are juicy, mulberry-like, and are bright pink to purple. Each fruit contains a single seed on the outside of the fruit.
The species is an early coloniser in rainforest gaps; seeds germinate in full sunlight after soil disturbance. Although relatively common in Queensland, the species is uncommon in its southern-most range, and is listed as an endangered species in New South Wales.
The giant stinging tree and the shining-leaved stinging tree are other large trees in the nettle family occurring in Australia.
Contact with the leaves or twigs causes the hollow, silica-tipped hairs to penetrate the skin. The hairs cause an extremely painful stinging sensation that can last for days, weeks, or months, and the injured area becomes covered with small, red spots joining together to form a red, swollen welt. The sting is infamously agonizing. Ernie Rider, who was slapped in the face and torso with the foliage in 1963, said "For two or three days the pain was almost unbearable; I couldn’t work or sleep, then it was pretty bad pain for another fortnight or so. The stinging persisted for two years and recurred every time I had a cold shower. ... There's nothing to rival it; it's ten times worse than anything else." However, the sting does not stop several small marsupial species, including the red-legged pademelon, insects and birds from eating the leaves.
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Wikipedia