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Hello,

Just wondering if any knowledgeable person could give an id for these two Acacia's. I am interested purely from a knowledge perspective.

Thanks for any help in advance.

 

Greg

 

1a.jpg

1b.jpg

1c.jpg

1d.jpg

1e.jpg

1f.jpg

2a.jpg

2b.jpg

2c.jpg

2d.jpg

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Hi Greg, second one looks like acacia acuminata standard or broad phyllode variant, first one unsure, not familiar with the area but im keen to head over there to see all the trees soon!

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The first could be Acacia extensa, but it looks very large for that species. I agree that the second is A. acuminata.

I'm thinking you must be somewhere along the eastern edge of the Jarrah forest rather than in the Perth area..

Edited by cristop
2nd thoughts

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thanks for your responses. I appreciated it.

These are  taken on the darling scarp/eastern hills, (exact location not announced for obvious reasons)

A friend is adamant the first one is an  Acacia acuminata, but i can't find any information that shows the flowers having such a short sessile.

 

I did note the two barks have a similar pattern. Is this any indication?

 

Might be a dum question, but do all  A. acuminata variants have curved tips on there phyllodes (Because on the macro level, the first species does not)?

 

Thanks again for your input.

Greg.

Edited by bicbiro

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I actually found some of the first acacia on a walk by the Canning River today and grabbed some material together with last year's pods from the litter.

It is Acacia dentifera. I took it through the electronic key ('Wattle') and confirmed it against written descriptions of certain features. Here is some basic info: https://florabase.dpaw.wa.gov.au/browse/profile/3294

If you submit photos in future try to find pods. With large plants there are usually some old ones in the litter. Also include something in the photos to help with scale (matchbox, pen whatever).

 

All A. acuminata variants have curved phyllode tips and those tips are hairy - at least a little bit. The hairs might run down the margins of the phyllode or they may be restricted to the tip. There are a few other acacias that also have hairy curved tips (e.g. A. assimilis, A. aulacophylla) but these are not flat in cross section like A. acuminata.

The other A. acuminata variants, including A. burkittii which is now a species in its own right, are only found in the arid zone.

 

A. longifolia is a weed and you'd be doing the environment a favor if you killed these trees.

Not so with A. acuminata.

 

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Thanks Cristop.

 

I went back to the site and could not find any pods at all, but good advice.

I did get a sample and took a photo of the second acacia for scale.

 

any suggestions what the second acacia is?

_MG_4216.jpg

_MG_4218.jpg

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