Plants
Other Shrubs
Sighting 4498719

Hakea decurrens subsp. decurrens

Bushy Needlewood at Hackett, ACT

Hakea decurrens subsp. decurrens at Hackett, ACT - 25 Jun 2023 03:50 PM
Hakea decurrens subsp. decurrens at Hackett, ACT - 25 Jun 2023 03:50 PM
Hakea decurrens subsp. decurrens at Hackett, ACT - 25 Jun 2023 03:50 PM
Hakea decurrens subsp. decurrens at Hackett, ACT - 25 Jun 2023 03:50 PM
Hakea decurrens subsp. decurrens at Hackett, ACT - 25 Jun 2023 03:50 PM
Hakea decurrens subsp. decurrens at Hackett, ACT - 25 Jun 2023 03:50 PM
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Identification history

Hakea decurrens subsp. decurrens 27 Jun 2023 MichaelMulvaney
Hakea decurrens subsp. decurrens 26 Jun 2023 Tapirlord
Hakea sericea 26 Jun 2023 waltraud

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User's notes

In grassy woodland; 2 shrubs, one about 2 m tall (2nd photo), second shrub smaller; fruits with distinctive double pointed beak, flowers heavily sweet scented (watch your nose).

7 comments

Tapirlord wrote:
   26 Jun 2023
Again, why sericea?
natureguy wrote:
   26 Jun 2023
Yeah, wasn't really thinking there, I think you're right. I've reversed my confirmation, happy for you to confirm if you're happy
waltraud wrote:
   27 Jun 2023
I used Leo Costermans 2002 "Native Trees and Shrubs....", p 155 and checked Plantnet https://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Hakea~sericea
I don't know the differences between H sericea and H decurrens subsp. decurrens. Just in case, I will fetch a sample for our botanists to confirm.
Plantnet Hakea decurrens subsp. decurrens seems to have a more elongated fruit/beak compared to H sericea?
MichaelMulvaney wrote:
   27 Jun 2023
The redness of the younger stems is also a good indication of decurrens in our area
natureguy wrote:
   27 Jun 2023
Yes thanks Michael
isobellcrawford wrote:
   8 Jul 2023
From the material given to me by Waltraud last week, I measured perianth and gynoecium lengths of 20 flowers of different ages selected from 5 clusters, and obtained the following results:
Average perianth length (n=40) 7.2 mm, the upper end of the range given by Flora of Australia and by Plantnet (4.2–7.2 mm).
Average pistil (gynoecium) length (n=10) 11.7 mm, once again at the upper end of the range given by Flora of Australia (8.5–12 mm) and by Plantnet (9–12 mm).
The material keys readily to H. decurrens ssp. decurrens on these measurements, but for field id the more or less glabrous branchlets and the pubescent pedicels of H. d. d. contrast with the 'persistently woolly tomentose' branchlets and the villous pedicels of H. sericea. Isobel.
abread111 wrote:
   9 Jul 2023
Thank you, Isobel! Barbara

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