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Setaria verticillata

Leaf sheath showing ciliate hairs on margin. Hutt Valley.<br>Photographer: Jeremy R. Rolfe, Date taken: 02/04/2007, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>

Panicle. Hutt Valley.<br>Photographer: Jeremy R. Rolfe, Date taken: 02/04/2007, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>

Spikelets. Hutt Valley.<br>Photographer: Jeremy R. Rolfe, Date taken: 02/04/2007, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>

Hutt Valley.<br>Photographer: Jeremy R. Rolfe, Date taken: 02/04/2007, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>

Retrorsely scabrid bristle subtending spikelet. Hutt Valley.<br>Photographer: Jeremy R. Rolfe, Date taken: 02/04/2007, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>

Scabrid ridges on upper culm. Hutt Valley.<br>Photographer: Jeremy R. Rolfe, Date taken: 02/04/2007, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>

Spikelets at tip of panicle. Hutt Valley.<br>Photographer: Jeremy R. Rolfe, Date taken: 02/04/2007, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>

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Common names

rough bristle grass

Biostatus

Exotic

Structural class

Grasses

Flower colours

Green

Detailed description

Stems 0.3–1.2 m tall, erect but branching more than those of other foxtails. Panicle dense, 5–10 cm long, with one bristle at the base of each spikelet, rarely 2 or 3. Bristles barbed (Wax, Fawcett and Isely 1981), causing seed heads to stick to each other, like ‘Velcro’.

Conservation status

Not applicable

Detailed taxonomy

Family

Poaceae

Authority

Setaria verticillata (L.) P.Beauv.

Ecology

Year naturalised

1904

Origin

Europe

Life cycle and dispersal

Seeds. Seed, greenish, similar to S. viridis in size and shape (Wax, Fawcett and Isely 1981). Seeds can be carried great distances by humans and animals (ibid.).

Other information

NVS code

The National Vegetation Survey (NVS) Databank is a physical archive and electronic databank containing records of over 94,000 vegetation survey plots - including data from over 19,000 permanent plots. NVS maintains a standard set of species code abbreviations that correspond to standard scientific plant names from the Ngä Tipu o Aotearoa - New Zealand Plants database.

SETVER

Referencing and citations

References and further reading

Wax LM, Fawcett RS, Isley D, eds. 1981. Weeds of the North Central States. University of Illinois at Urbana-Champaign College of Agriculture, Illinois, USA. 303 p.

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