This Tree Oozes Metal Sap

In the South Pacific, there is a rare tree so rich in metal that its sap runs blue.

Hosted by: Olivia Gordon

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Sources:
https://www.chemguide.co.uk/inorganic/complexions/colour.html
https://mitchalbala.com/nickel-titanate-the-coolest-yellow/
https://www.ncbi.nlm.nih.gov/pubmed/9433812
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6359332/
https://www.nature.com/articles/srep41861
https://link.springer.com/article/10.1007/s11104-017-3523-3
https://link.springer.com/article/10.1007/s11104-016-2910-5
https://www.mdpi.com/2304-6740/7/7/89/htm
https://www.purdue.edu/uns/html4ever/2004/040901.Salt.antioxidant.html
https://link.springer.com/article/10.1007/s00425-013-1983-0
https://bsapubs.onlinelibrary.wiley.com/doi/full/10.3732/ajb.89.6.998
https://journals.co.za/content/sajsci/97/11-12/EJC97252
https://www.ncbi.nlm.nih.gov/pubmed/17244045
https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.15105
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Images:
https://commons.wikimedia.org/wiki/File:Pycnandra_acuminata_05_-BH-_aspect_g%C3%A9n%C3%A9ral.jpg
https://commons.wikimedia.org/wiki/File:Pycnandra_acuminata_01_-BH-_Feuilles.jpg
https://commons.wikimedia.org/wiki/File:Pycnandra_acuminata_03_-BH-_S%C3%A8ve_bleue.jpg