Questions for “Please do not touch the Australian stinging tree”
![a composite image showing a stinging tree, a petiole, and the needle hairs on the tree](https://www.snexplores.org/wp-content/uploads/2020/11/1030_stinging_trees-1030x580.jpg)
Stinging trees (left) look harmless. But their stems and petioles (middle) are covered with tiny, needle-like hairs (right) that inject venom under the skin.
(from left) T. Durek; T. Durek; Darren Brown/ Univ. of Queensland