Nettle — Australian

: Its heart-shaped leaves are covered in microscopic, needle-like silica hairs that inject a potent neurotoxin. The pain is described as being simultaneously electrocuted and burned with hot acid.

: Found primarily in rainforest areas of Queensland and northern New South Wales. australian nettle

: Often called the "suicide plant," it is arguably the most painful plant in the world. : Its heart-shaped leaves are covered in microscopic,

Other plants referred to as nettles are smaller and less dangerous, though they still possess stinging hairs. though they still possess stinging hairs.