A Tree That Bleeds Red Sap: The Dragon’s Blood Tree

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Often touted as “red rock opium,” the resin is often sold as a narcotic, although its effects are mild at best when smoked. Image Source: Stefan Geens (cc)
The bizarre shape of the blood tree helps it survive arid conditions and areas with limited soil. The shading helps the seedlings survive in the harsh environment. Image Source: Boris Khvostichenko (cc)