S

Senecio conrathii N.E.Br.

Asteraceae Herb

Accumulation profile

Ni Nickel Facultative

2,659 µg g⁻¹ DW

2.7× the nickel threshold

Other nickel accumulators →

Substrate

Ultramafic (serpentine)

Habitat

Serpentinite outcrops (e.g., Kaapsehoop)

Distribution

South Africa (Mpumalanga, Barberton Greenstone Belt)

First reported

2018 · Siebert et al.

Verification

primary-measured

Description & ecology

Foliar Ni maximum 2,659 µg g⁻¹ DW (Table 3, second survey, Kaapsehoop; Siebert et al. 2018, Ecol. Res. 33:651–658, doi:10.1007/s11284-017-1541-5).

Population mean across five analyses 1,695 ± 637 µg g⁻¹; first-survey value 1,558 µg g⁻¹.

Third species in the Senecioneae of South Africa confirmed to hyperaccumulate Ni.

References

1. Siebert, S. J., Schutte, N. C., Bester, S. P., Komape, D. M., & Rajakaruna, N. (2018). Senecio conrathii N.E.Br. (Asteraceae), a new hyperaccumulator of nickel from serpentinite outcrops of the Barberton Greenstone Belt, South Africa. Ecological Research, 33, 651–658. doi:10.1007/s11284-017-1541-5 APA BibTeX RIS

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