Neptunia amplexicaulis
Accumulation profile
- Substrate
- Seleniferous clay soils
- Habitat
- Seasonally wet seleniferous grassland
- Distribution
- Australia (Queensland)
- First reported
- 2025 · Harvey et al.
- Verification
- primary-measured
Description & ecology
One of the strongest known selenium accumulators: up to 13,600 µg Se/g in leaves, highest in the youngest undeveloped leaves (Harvey et al. 2025, synchrotron XFM).
A rare legume selenium hyperaccumulator, endemic to seleniferous soils of central Queensland.
References
- Harvey, M., Erskine, P. D., Harris, H. H., Pinto-Irish, K., Howard, D. L., Fabillo, M., & van der Ent, A. (2025). Synchrotron X-ray fluorescence microscopy unveils selenium distribution and a phloem-sink hypothesis in Neptunia amplexicaulis. Plant Physiology, 199, kiaf367. doi:10.1093/plphys/kiaf367
- White, P. J. (2016). Selenium accumulation by plants. Annals of Botany, 117, 217–235. doi:10.1093/aob/mcv180