But there’s a tree for every purpose under heaven. Their chemistry is astonishing. Waxes, fats, sugars. Tannins, sterols, gums, and carotenoids. Resin acids, flavonoids, terpenes. Alkaloids, phenols, corky suberins. They’re learning to make whatever can be made. And most of what they make we haven’t even identified.” She clicks through a menagerie of bark behaving badly. Dragon trees that bleed as red as blood. Jabuticaba, whose billiard-ball fruits grow right out of the trunk. Thousand-year-old baobabs, like tethered weather balloons loaded with thirty thousand gallons of water. Eucalypts the
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