Urtica incisa at Paddys River, ACT

Urtica incisa

Stinging Nettle at Paddys River, ACT

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Identification history

Urtica incisa	1 Dec 2014	AaronClausen
Urtica urens	30 Nov 2014	MichaelMulvaney
Urtica urens	30 Nov 2014	BettyDonWood
Urtica incisa	16 Nov 2014	galah681
Unidentified	16 Nov 2014	galah681

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5 comments

BettyDonWood wrote:

30 Nov 2014

Urtica incisa is a perennial which has an unbranched inflorescence (flower group) which is longer than the leaf stalk. Urtica urens is an annual (which this appears to be) with a branched inflorescence which is shorter than the leaf stalk.

BettyDonWood wrote:

30 Nov 2014

I should have mentioned that Urtica incisa is a native, and Urtica urens is introduced.

galah681 wrote:

1 Dec 2014

I saw this plant (or its ancestor) 3 years ago in the same place, but in mid December. The flowers were much longer (about the same length as the leaves and narrower than on the current plant. I can't load up the photo as there is no GPS locaation for it. The flowers had also developed a purplish colouring on the sepals? or petals.

galah681 wrote:

1 Dec 2014

The photo I took in 2010 looks exactly like the one shown on plantnet for the Urtica incisa with purple stems and very similar flowers.

BettyDonWood wrote:

1 Dec 2014

In that case it is Urtica incisa. There is no mention of stem colour in Flora of NSW. However, several of the photos of Urtica incisa in the ALA gallery for the species (including ours) have purple stems or stems with purple stripes. URL http://bie.ala.org.au/species/Urtica+incisa#tab_gallery

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