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Cenchrus purpurascens

Swamp Foxtail at O'Connor, ACT

Cenchrus purpurascens at O'Connor, ACT - 1 May 2021
Cenchrus purpurascens at O'Connor, ACT - 1 May 2021
Cenchrus purpurascens at O'Connor, ACT - 1 May 2021
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Identification history

Cenchrus purpurascens 2 May 2021 MichaelBedingfield
Cenchrus purpurascens 2 May 2021 MichaelBedingfield
Unidentified 1 May 2021 NedJohnston

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2 comments

   2 May 2021
Hi Ned
I believe this is the native Cenchrus purpurascens. You said 5 plants. I would appreciate some photos of the other plants growing nearby, especially photos showing the whole plant, so we can see the habit. It is similar to C. setaceus, a nasty weed.
NedJohnston wrote:
   2 May 2021
Thanks Michael, I'll go get some more photos now. I counted five of the heads as a rough count in a couple of metres squared in the reeds at the edge of the wetland. I'll do a proper count today of how many actual plants there were because I think some of the heads came from the same plant.
Thanks,
Ned

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Nearby sightings

Page 1 of 1 - image sightings only

Lucilia cuprina (Australian sheep blowfly) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Chauliognathus tricolor (Tricolor soldier beetle) at O'Connor, ACT - 19 Mar 2024 by Hejor1
Neosparassus calligaster (Beautiful Badge Huntsman) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Oxyopes sp. (genus) (Lynx spider) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Braconidae (family) (Unidentified braconid wasp) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Micraspis frenata (Striped Ladybird) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Socca pustulosa (Knobbled Orbweaver) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Porismus strigatus (Pied Lacewing) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Braconidae (family) (Unidentified braconid wasp) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Ectropis fractaria (Ringed Bark Moth) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Chalcidoidea (superfamily) (A gall wasp or Chalcid wasp) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Alcaeus varicornis (Acacia shield bug) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Phonognathidae (unofficial sub family) (Leaf curling orb-weavers) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Ichneumonidae (family) (Unidentified ichneumon wasp) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Parapalaeosepsis plebeia (Ant fly) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Leucauge dromedaria (Silver dromedary spider) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Mutusca brevicornis (A broad-headed bug) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Araneus eburnus (Bush orb weaver) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Helpis minitabunda (Threatening jumping spider) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Amorbus sp. (genus) (Eucalyptus Tip bug) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Faveria tritalis (Couchgrass Webworm) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Wahlenbergia sp. (Bluebell) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Hippodamia variegata (Spotted Amber Ladybird) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Cryptolaemus montrouzieri (Mealybug ladybird) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Ectropis (genus) immature at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Palaeosia bicosta (Two-ribbed Footman) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Ellipsidion australe (Austral Ellipsidion cockroach) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Scarabaeidae (family) (Scarab beetle, curl grub) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Calomela juncta (Leaf beetle) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Camponotus sp. (genus) (A sugar ant) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Scioglyptis lyciaria (White-patch Bark Moth) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Camponotus sp. (genus) (A sugar ant) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Neuroptera (order) (Unidentified lacewing) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Gea theridioides (An orb weaver spider) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Bermius brachycerus (A grasshopper) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Monophlebulus sp. (genus) (Giant Snowball Mealybug) at O'Connor, ACT - 19 Mar 2024 by Hejor1
Amorbus sp. (genus) (Eucalyptus Tip bug) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Opisthoncus serratofasciatus (Chevronned jumper) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Lepidoscia characota (Lepidoscia characota) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Sidymella trapezia (Trapezoid Crab Spider) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Ichneumonidae (family) (Unidentified ichneumon wasp) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Anestia (genus) (A tiger moth) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Monophlebidae sp. (family) (Mealy Bugs) at O'Connor, ACT - 19 Mar 2024 by Hejor1
Coccinella transversalis (Transverse Ladybird) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Philoponella congregabilis (Social house spider) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Cryptachaea veruculata (Diamondback comb-footed spider) at Sullivans Creek, O'Connor - 19 Mar 2024 by Hejor1
Cenchrus purpurascens (Swamp Foxtail) at Sullivans Creek, O'Connor - 28 Jan 2024 by dwise
Pontederia cordata (Pickerel Weed) at Sullivans Creek, O'Connor - 28 Jan 2024 by dwise
Dacelo novaeguineae (Laughing Kookaburra) at O'Connor, ACT - 1 Apr 2022 by Larryolarryo
Pontederia cordata (Pickerel Weed) at O'Connor, ACT - 9 Mar 2022 by JaneR
Ranunculus repens (Creeping Buttercup) at O'Connor, ACT - 10 Oct 2021 by Ned_Johnston
Acer negundo (Box Elder) at O'Connor, ACT - 1 May 2021 by Ned_Johnston
Conocephalus sp. (genus) (A Tussock Katydid) at O'Connor, ACT - 1 May 2021 by Ned_Johnston
Pompilidae (family) (Unidentified Spider wasp) at O'Connor, ACT - 10 Mar 2020 by tpreston
Lythrum salicaria (Purple Loosestrife) at O'Connor, ACT - 10 Mar 2020 by tpreston
Lemna disperma (Common Duck-weed) at O'Connor, ACT - 12 Mar 2019 by jbromilow50
Chauliognathus lugubris (Plague Soldier Beetle) at O'Connor, ACT - 12 Mar 2019 by jbromilow50
Lemna disperma (Common Duck-weed) at O'Connor, ACT - 8 Mar 2019 by JaneR
Lemna disperma (Common Duck-weed) at O'Connor, ACT - 6 Feb 2019 by RWPurdie
Hemicordulia australiae (Australian Emerald) at O'Connor, ACT - 20 Nov 2018 by jbromilow50
Chenonetta jubata (Australian Wood Duck) at O'Connor, ACT - 13 Oct 2017 by ShawnCapararo

Location information

Sighting information

  • 5 Abundance
  • 1 May 2021 02:30 PM Recorded on
  • NedJohnston Recorded by

Additional information

  • 30cm to 1 metre Plant height
  • True In flower

Species information

  • Cenchrus purpurascens Scientific name
  • Swamp Foxtail Common name
  • Not Sensitive
  • Local native
  • Non-Invasive
  • Up to 818m Recorded at altitude
  • 70 images trained Machine learning
  • In flower
  • External link More information
  • Synonyms

    Pennisetum alopecuroides

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
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