FLETCHER & BAYLIS / SCIENCE PHOTO LIBRARY FLETCHER & BAYLIS / SCIENCE PHOTO LIBRARY
The Ipoh Tree (Antiaris toxicaria) is the source of the poisonous sap used by the Orang Asli (indigenous people of Peninsular Malaysia) to tip their blowgun darts. Kuala Koh, Taman Negara National Park, Malaysia. The marks on the trunk are from where it has been cut to collect the sap.
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