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Dicko

Acacia id please

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Hi all ive got a couple Acacias to ID. Well one is more of a confirmation. 

The first 3 pics I think is Acacia melanoxylon?

But not sure about the second 3. Both are not in flower but have buds/preflower and they are in Hobart area growing in a nature strip type area

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Given they're growing together they may both be A. melanoxylon, in which case there will be a bit of overlap between the features of either tree. Compare old phyllodes with old phyllodes, new with new etc. Are there some features that are consistently different between the two trees, e.g. no thinner acute phyllodes on the first specimen, no broad blunt ones on the second etc?

If they are definitely different the second could be A. implexa, though this has not been collected from Hobart before.

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Looks to me like they are different. The one with the broad phyllodes are all broad on new and old growth, and the one witht the narrow phyllodes are all the same aswell.

Its strange though because there are 3 trees in a row, 2 with broad and the last one with narrow phyllodes 

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Then I can only speculate. Maybe A. implexa was planted there or maybe the third tree is a sport of A. melanoxylon.

A. implexa doesn't usually flower this time of the year, but it can.

 

If you are determined to get to the bottom of it you can collect flowers, phyllodes and pods from both types and take them to the Tasmanian Herbarium to compare with verified specimens housed there. If it's anything like WA there will be microscopes available for public use.

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Not too worried really. Im trying to find a species where phyllodes are desired to be used for experiments so as not to harm the tree. 

 

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