The leaflets are far enough apart to say it could be decurrens. However, the diagnostic is the decurrent leaves (bases continuing down the stems) creating winged ridges on the stems.
The Acacia mearnsii on Tugg. Hill flower in November and have a rich fragrance. Sometimes I catch the fragrance on the wind at my place which is 500 metres away !
Many thanks Betty/Michael. I should have mentioned the pinnules are approx 10mm plus in length. All A. mearnsii pinnules I've seen have been much smaller. Any advice?
Thank you for your help Betty. Will return to site this afternoon and obtain exact measurements, photo any old seed pods (if still around) etc. and get back to you.
You might like to look at https://apps.lucidcentral.org/plants_se_nsw/ before you go, so you know what to look for. This is an earlier (computer) version of the app I am beta testing.
Michael M: thanks - but I would like to query your confirmation as Acacia mearnsii for this one. From various sources including http://worldwidewattle.com/imagegallery/image.php?p=0&l=m&id=17958&o=1 : *Acacia mearnsii: Leaflets (pinnules) 1-3.5mm long, broadly rounded, jugary gland at base of all pinnae, interjugary glands often between some or all pinnae. Under leaf very hairy. *My submission as per images: Leaflets (pinnules) - newer growth: pinnules 8-11mm long, mature growth: pinnules 11-14mm long. Jugary glands at base of all pinnae only, no interjugary glands. Under leaf hairless. I am not able to submit a comparison image which would show the vast difference in sizes between the local A. mearnsii and the submission as I do not hold a collectors permit. This is the only specimen I have as yet come across in this area. Betty: Thank you for the link - I was out there early this morning. Appreciate any advice.
The clincher that I am looking for in Acacia decurrens are the ridges that occur along the stems shown very well in one of your easier sightings. https://canberra.naturemapr.org/Community/Sightings/Details/4192144. That said wattles do hybridise and and recognising hybrids can be tricky and I now think this is probably what we have in this case - I can add you to the CNM collecting permit if you email me your address to michael.mulvaney@act.gov.au
Owen dropped off a couple of specimens from this plant to the ANBG and received the following advice from Dave Albrecht concerning same:
Hello Owen Thanks for submitting the specimen and photograph of the plant of Acacia decurrens (Green Wattle). We’ll retain the specimen for the herbarium collection. This species is distinctive in having prominently winged branchlets decurrent with the petiole bases, jugary glands but no interjugary glands, and green usually hairless pinnules. All the best, Dave David Albrecht Plant Identification and Liaison Officer | Australian National Herbarium Centre for Australian National Biodiversity Research National Research Collections Australia CSIRO
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