Orthion veracruzense Lundell

Accumulation profile

Substrate

Ni-bearing volcanic-ash soils (non-ultramafic)

Habitat

Lowland evergreen rainforest

Distribution

Mexico (Veracruz, Los Tuxtlas; also Chiapas)

First reported

2024 · Navarrete Gutiérrez et al.

Verification

primary-measured

Description & ecology

Field-collected leaves (HNO₃–H₂O₂ digest, ICP) ranged 815–4,290 µg g⁻¹ Ni (mean 2,520 ± 1,490, N=5; Navarrete Gutiérrez et al. 2024, Ecological Research 39:879–893, doi:10.1111/1440-1703.12504): 'Foliar samples of O. veracruzense had a minimum Ni concentration of 815 mg kg−1 and a maximum of 4290 mg kg−1 (mean of 2520 mg kg−1)'.

Facultative: only 12% of 89 herbarium specimens exceeded the 1,000 µg g⁻¹ threshold.

Notable as a Ni hyperaccumulator from basaltic volcanic soils rather than ultramafic serpentinite.

References

1. Navarrete Gutiérrez, D. M., Pollard, A. J., Disinger, H. P., van der Ent, A., Cathelineau, M., Pons, M.-N., Cuevas Sánchez, J. A., Gómez Hernández, T., & Echevarria, G. (2024). Nickel hyperaccumulation in Orthion and Mayanaea (Violaceae) from Mesoamerica. Ecological Research, 39, 879–893. doi:10.1111/1440-1703.12504 APA BibTeX RIS
2. Reeves, R. D., Baker, A. J. M., Jaffré, T., Erskine, P. D., Echevarria, G., & van der Ent, A. (2018). A global database for plants that hyperaccumulate metal and metalloid trace elements. New Phytologist, 218, 407–411. doi:10.1111/nph.14907 APA BibTeX RIS

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