Gleditsia triacanthos

Honey Locust, Thorny Locust at Hackett, ACT

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Identification history

Gleditsia triacanthos Yesterday waltraud
Gleditsia triacanthos 21 Mar 2026 Mike
Unverified 17 Mar 2026 waltraud

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Garden extension: tree with 20-30cm long seed pods; tree grows into power lines.

5 comments

   20 Mar 2026
Waltraud did this tree have thorns and if so were they single or paired
Mike wrote:
   20 Mar 2026
It looks like Gleditsia triacanthos but the habit is wrong. Perhaps competing regrowth from cut stump, or does photo 3 show a trunk?
waltraud wrote:
   21 Mar 2026
Mike and MichaelMulvaney
I added 3 more photos that I took this evening; the longest pod I measured was 40cm, there were no thorns; there was at least one recruit growing under the tree.
Mike wrote:
   21 Mar 2026
You can compare it with the Gleditsia triacanthos (Honey Locust, Thorny Locust) near Verco St.
waltraud wrote:
   Yesterday
thanks Mike. Apparently this variety produces lots of fruits but has no thorns. May be the recruits would grow thorns and fruits. I was hoping the fire unit would clear those garden extensions in the inner asset protection zone when they recently cut a lot of native trees and shrubs further in the nature reserve (including FoMM plantings); I thought that this tree must be cleared in particular, because it grows under the low hanging power line. Seemed that the removal of the few shrubs (Cassinia longifolia and C quinquefaria) FoMM planted along a drainage line away from the inner asset protection zone or tracks was of greater importance. FoMM planted 1 native for >10 large woody weeds such as firethorn removed; see for instance https://majura.org/working-party-23-10-2022/ We should have left the woody weeds for the fire unit to remove ....

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