What is the name of the Australian tree with those little pods that have hairs inside that sting/itch like crazy?

I remember being warned of them as a child, not listening, and cracking one open. The golf ball sized seeds(?) have fluffy soft white hairs inside and they hook into your skin when they come into contact. It burns and itches so much, but it's too painful to scratch when imbedded into your skin. Do any of you... show more I remember being warned of them as a child, not listening, and cracking one open. The golf ball sized seeds(?) have fluffy soft white hairs inside and they hook into your skin when they come into contact. It burns and itches so much, but it's too painful to scratch when imbedded into your skin. Do any of you know what I'm talking about?
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