Abstract:Globally, the majority of Ni hyperaccumulator plant occur on ultramafic soils in tropical regions, and the genus Phyllanthus from the Phyllanthaceae family, is globally the most represented taxonomical group. Two species from Sabah (Malaysia) are remarkable because Phyllanthus balgooyi can attain over 16 Wt% of Ni in phloem exudate, while P. rufuschaneyi reaches foliar concentrations of up to 3.5 Wt% Ni which are amongst the most extreme concentrations of Ni in any plant tissue. Synchrotron X-ray fluorescence … Show more
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