Scientists in Suriname were stunned to discover an unusually high concentration of nickel in the sap of a previously unknown tree species. During a biodiversity expedition focused on mapping flora and fauna, researchers noticed a tree bleeding a bright green substance. Analysis revealed the sap contained an astounding amount of nickel, approximately 150 times higher than concentrations typically found in nickel hyperaccumulator plants.
The discovery is significant because nickel hyperaccumulation is a rare phenomenon in plants, where they absorb and store high levels of nickel from the soil in their tissues without suffering toxic effects. This mechanism is not fully understood, but it is thought to be a defense against herbivores or a way to compete with other plants.
The identified tree, now named *Geesinkorchis nickelifera*, is a member of the orchid family and represents the first instance of nickel hyperaccumulation in this plant group. The concentration of nickel in its sap is remarkable, even when compared to other known hyperaccumulators. This finding has implications for potential phytoremediation efforts, where plants are used to clean up contaminated soils. Further research will focus on understanding the mechanisms behind this nickel hyperaccumulation and exploring its potential applications.
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