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Botany Acacia and Mimosa Identification Thread

Growing logs with advice and results.
Migrated topic.
Cheers. I shall look up Nen's method, I have read many MANY posts and Nen seems to be an awesome authority on all things acacia!
I have all the ID pics for acuminata incl small seed, narrow phyllode and typical variants but actually finding the buggers is the hard bit.
I have maps for where they exist naturally (the typical variant being most prevalent), but that is a good half a day minimum round trip from the city.
Has anyone found any that exist within the suburbs, say within an hours drive of the city centre?
 

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Sharing of specific locations isnt allowed on the nexus. It only takes a few google searches to find the distribution of acacia acuminata by town. Besides half a day round trip is nothing! You have to put in the effort to get the rewards.
 
What is this Acacia?

It is in the neighbour`s house, and too many branches coming out into the streets and nearly blocking the sidewalk, they`re gonna need to do some serious trimming :D


My attempted ID is Acacia saligna, simply because I saw on the townhall`s website of the neighbouring city that this is one of the Acacias around, and a quick look at pictures seems to be similar but Im not sure of details necessariy to identify. They also say there are Acacia retinodes around, and from a quick look it seems more like saligna but I have no idea really.

Any info on alkaloids, nen? Your thread has a mention of alkaloids at 0.5% but you say it might have been misindentified..

PS: sorry for crappy cellphone pics
 

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From what I can gather the phyllodes of retinodes are oblanceolote which is how they look in the photos.
a.saligna are generally, linear to lanceolate, straight to falcate.
A.retinodes also will flower sporadically throughout the year if that helps..
 
..in a bit of a hurry but think it's retinodes, endlessness..
a very close up image of the peduncle (the bit that attaches the phyllode to the stem) and of the lower
1cm of the phyllode would clear this up..saligna has a 'disciform' (oval) gland near the base of the phyllode, and usually a very wrinkled peduncle..
pods, which are yet to develop, would further clarify..alks see info thread..

Ethnopiate, not a lot of time right now to work out what that is..are not in the same group as acuminata..
 
I didn't think they would be, given the distribution of acuminata but the hooked tips on the first 2 pics indicated they may be related to acuminata or burkitii.
I am studying Enviro Science and Monitoring at the moment and would really like to help fellow WA enthusiasts find local and more sustainable sources for their projects as I have done several field trips now and spend the whole day out bush and it's devastating to see the damage done to so many trees that will inevitably die as a result of bad practice.
I will NOT be doing any extraction work in future as I don't want to be part of the destruction, but I would be more than happy to do a write up on alkaloid content of the myriad local species, I just need help with ID's.
Once I can afford it I shall buy a reagent kit for tests (unless a generous soul wishes to help with a donation or alternative means of testing!) and if/when I find any species with positive results I shall post my findings and seek ID's to catalogue.

Thank you all for your input, I hope I can add to the knowledge bank and be a useful contributor! Any further advice or suggestion is welcomed.
 
^..in terms of relation, Ethnopiate, the first 2 photos of yours, having a single prominent central nerve in the phyllodes (and different texture), would indicate that the tree is in sub-section Phyllodineae, rather than sub-section Juliflorae which A. acuminata is in, so it would not be closely related..
sounds like you will have a lot of fun in your research Ethnopiate...

regarding a few posts in here....flowers, along with phyllodes is really in most cases a minimum requirement for tentative ID...pods (showing seeds) are often needed too..
 
Hey there fellas:d
This forum is absolutely awesome. It is a great honor to be here with kindred spirits.
Taxonomy and identification are my favorite things so I hope i have gleaned enough information to provide appropriate images of the appropriate parts...

Location: Southern California.
Seems to have single prominent central nerve.

Acacia 1 preserve/park area
[image]http://www.shroomery.org/forums/thumbs/14-16/793982097-thumb_acacia_1_head.jpg[/image] [image]http://www.shroomery.org/forums/thumbs/14-16/793983038-thumb_acacia_1_sap.jpg[/image] [image]http://www.shroomery.org/forums/thumbs/14-16/793984005-thumb_acacia_1_stem.jpg[/image] [image]http://www.shroomery.org/forums/thumbs/14-16/793985473-thumb_acacia_1_trunk.jpg[/image] [image]http://www.shroomery.org/forums/thumbs/14-16/793987529-thumb_acacia_1.jpg[/image]

Acacia 2 (in a commercial strip mall)
[image]http://www.shroomery.org/forums/thumbs/14-16/794535723-thumb_acacia_2_caud.jpg[/image] [image]http://www.shroomery.org/forums/thumbs/14-16/794536646-thumb_acacia_2_phyloid.jpg[/image] [image]http://www.shroomery.org/forums/thumbs/14-16/794537572-thumb_acacia_2_pod.jpg[/image] [image]http://www.shroomery.org/forums/thumbs/14-16/794538444-thumb_acacia_2_spike.jpg[/image]

Acacia 3 has disciform at pedicle base
[image]http://www.shroomery.org/forums/thumbs/14-16/794513481-thumb_acacia_3_disc.jpg[/image] [image]http://www.shroomery.org/forums/thumbs/14-16/794514408-thumb_acacia_3_phyloid_close.jpg[/image] [image]http://www.shroomery.org/forums/thumbs/14-16/794515307-thumb_acacia_3_pods.jpg[/image] [image]http://www.shroomery.org/forums/thumbs/14-16/794516195-thumb_acacia_3_stem.jpg[/image] [image]http://www.shroomery.org/forums/thumbs/14-16/794517161-thumb_acacia_3_tree.jpg[/image] [image]http://www.shroomery.org/forums/thumbs/14-16/794519039-thumb_acacia_3.jpg[/image]
 
^..all aussie immigrants..and good photos..
1. A. retinodes 2. A. sophorae (A. longifolia var. sophorae) 3. A. saligna (disciform gland well spotted) ..


ps. endlessness...i am still going with A. retinodes for your post above...alkaloids covered in recent info thread post..p.86
 
Thanks DreaMTripper and nen! I will test them and post back results.

Usually what season has more alkaloids for Acacias, nen, if such generalization can be made?

Now its spring, flowering time..

Can I collect samples and let them air dry and later test, or do you think alkaloid content will change too much during this drying process and not be reliable to tell whats in the plant at first?
 
^..the only generalizations re alkaloid levels in can really make are: nearly always lower (or absent) after heavy or prolonged rainfall; and sometimes lower (or altered) during flowering (but not always)

dried material should preserve alkaloid content..

A. retinodes is definitely one of interest...so am really interested endlessness :)
 
Hola Señors and Señoritas,

Can anyone id this Acacia. There is a plethora of the Acacias to be found here in Southern Spain.
 

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