Additionally.. I think its pretty cool that our friends Datura (innoxia, metel, discolor, stramonium), and Nicotiana glauca are also hyperaccumulators.
The information is scattered throughout various phytoremediation review papers and I wanted to find one specifically on Datura, but could not.
"...D.innoxia and P.karka were the most suitable species for phytoextraction of cadmium, if the whole plant or above ground biomass is harvested."
This from page 225 of the posted paper below.
http://scholar.google.co...sReA0dyVw&oi=scholarAlso, Nicotiana glauca - Tree tobacco - a plant that grows very well in waste areas and lots around my area, peaked my curiosity one day and I decided to look to see if it had been investigated as a phytoremediator - and lo and behold it had. In addition, the researchers overexpressed a wheat phytochelatin gene in order to strengthen its resistance to the heavy metals (Pb and Cd). This led to a 160% increase in root growth! Seems like a promising tool.
http://www.ncbi.nlm.nih.gov/pubmed/12659836 It appears the Solanaceaes can hang when the going gets tough!
Living to Give