Saturday 9 February 2013

Toona Sureni - long term plan

It is always amazing what you learn from people who become a part of your life.  In this case, I was introduced to Suren leaves or as people from Kerinci call it: daun suhin or in Malay - daun surian, as a condiment you use in cooking rebung and young bananas as well as other savoury dishes.  It adds a slightly sour taste to the dish.
It's botanical name is toona sureni or known in English as Indonesian Mahogany.  I am not sure if it can be easily found in Malaysia and the ones that I know of have been brought over by people originating from Kerinci where it is widely planted.

It is planted from tiny seeds that was sprinkled over the ground and lightly covered with soil.  When it was about 10cm tall, we started to transplant them to various locations on the farm.  Depending on the location of the plant, some died, some grew faster than the others.  In general, I found that if it was planted in the ground that had a 50% clay composition it would grow slower that in ground that had a lower clay composition but at the same time had at least 30% organic matter.

The tree produces distinctive stems of leaves from the main trunk and grows straight without any branches.  In the 2 years that I have had this tree seeded and planted, the tallest tree is now over 8m tall and the shortest is about 2m tall.   Traditionally, it has been used as natural insect repellent including for mosquitoes.  The natural aroma from the leaves and tree bark repels these insects.  I have noticed that the immediate area surrounding the location of the tree has fewer insects, including mosquitoes and gnats.

The young leaf shoots are red in color which turns into a dark green as it matures.  Before the leave fully stem of leaves fully matures - where there are still leaves that have a red tinge to it - is when it is used as a condiment.  Hence I categorize this tree as a tree that falls into the edible landscape variety.

This tree can grow to 30m tall with a trunk diameter of up to 2m - this of course will take years.  You can say that this will be for the next generation which by then should make this into a valuable tree.  The lumber produced is prized in the production of quality wooden furniture and window frames.   I am looking forward to observing the growth of this tree and what its fruit will look like.  So if you are selecting a tree to add to your landscape, you might want to consider this tree with its multi-uses.

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