Cootamundra Wattle x Silver Wattle (Hybrid) at Aranda, ACT
Identification history
| Acacia baileyana x Acacia dealbata | 7 May 2023 | natureguy | ||
| Acacia baileyana x Acacia dealbata | 6 May 2023 | natureguy | ||
| Acacia baileyana | 6 May 2023 | MichaelMulvaney | ||
| Acacia baileyana | 6 May 2023 | CarbonAI | ||
| Acacia baileyana | 6 May 2023 | lbradley |
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3 comments
lbradley
wrote:
6 May 2023
I know some of these sightings are difficult to differentiate, especially if I'm not giving the best photos.
I have a question. Paul Downey has given an invasiveness rating of Noxious or High Risk Weed or Pest to acacia baileyana but only Minor Weed or Pest to the Acacia baileyana x Acacia dealbata hybrid. Does anyone know why? I'm finding more hybrid than pure baileyana. At some point do we throw up our hands and give up hope of maintaining pure dealbata? Does the hybrid become infertile? I can't imagine that it does.
I have a question. Paul Downey has given an invasiveness rating of Noxious or High Risk Weed or Pest to acacia baileyana but only Minor Weed or Pest to the Acacia baileyana x Acacia dealbata hybrid. Does anyone know why? I'm finding more hybrid than pure baileyana. At some point do we throw up our hands and give up hope of maintaining pure dealbata? Does the hybrid become infertile? I can't imagine that it does.
lbradley
wrote:
6 May 2023
Also, how do I start a collection for my weed photos? Can I have a personal collection or are they all community collections?
natureguy
wrote:
7 May 2023
In my experience the hybrid isn't that common, but I imagine at more disturbed urban sites like this where Cootamundra has invaded a lot into bushland that also has Silver, there is probably a stronger (almost over) representation of hybrid plants. At other more undisturbed sites like my place at Wamboin, where Cootamundra Wattle has not really established (a few plants only), there is plenty of pure Silver Wattle. The extent of the hybridisation probably suggests that the two species are not very strongly divergent from each other. I guess its hard to rank the invasiveness of the hybrids as well since the Silver Wattle parent is a local species. A complicated issue which will likely become more prevalent as Cootamundra Wattle continues to establish itself in the local area
Location information
- Coordinates 149.085467-35.265019
- Altitude 643.9m
- Maps Aranda Bushland
- Places Aranda, ACT Aranda, ACT
Sighting information
- At least 1 Abundance
- 6 May 2023 03:45 PM Recorded on
- lbradley Recorded by
-
Collections
lbradley Canberra & Southern Tablelands NatureMapr Acacia baileyana x Acacia dealbata Wattles Plants
Species information
- Acacia baileyana x Acacia dealbata Scientific name
- Cootamundra Wattle x Silver Wattle (Hybrid) Common name
- Not Sensitive
- Non-local native
- Minor weed or pest
- Up to 749.45m Recorded at altitude
-
In flower
Record quality
- Images or audio
- More than one media file
- Verified by an expert moderator
- Nearby sighting(s) of same species
- GPS evidence of location
- Description
- Additional attributes