By Pinenuts
United Kingdom 
why has my Monkey Puzzle got a thick white sap running down it's trunk, it has dried out & gone crystalised.
On plant
Araucaria araucana
4 Feb, 2011
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Araucaria Araucana
£16.50 at Burncoose
Look for the source - there's probably a damaged area higher up from which the sap has run. If its already stopped bleeding, it may have healed itself.
4 Feb, 2011