Carex polyantha

A Sedge at Greenway, ACT

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Carex polyantha MichaelBedingfield 3 Mar 2016
Carex polyantha RussellB 3 Mar 2016

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User's notes

A very interesting looking rush/sedge, which appears to have a tree-like trunk. I couldn't get any closer to it because of the water and the blackberries on the shore.

3 comments

   3 Mar 2016
Hi Michael,
As you say, from the distance it is a bit tricky to be sure, but I think it is probably Carex polyantha. The 'trunk' will be an artefact of the soil being washed away around a very thick root mass, leaving it looking like a grass-tree. There are some old inflorescences that are branched, combined with the length of the leaves, C. polyantha would be likely, and I note that the Carex has been recorded nearby.
   4 Mar 2016
Thanks Russell,
Your conclusion seems quite sound, so I've confirmed it as Carex polyantha. I will revisit next Spring when there should be some fresh inflorescences for further verification.
   18 Nov 2016
I revisited this specimen today and feel confident it is Carex polyantha.

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