Tragus berteronianus Schult.

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Tragus berteronianus

Photo: Bart Wursten
Rimiti West, by Mutare to Birchenough Br. rd

Tragus berteronianus

Photo: Bart Wursten
Rimiti West, by Mutare to Birchenough Br. rd

Tragus berteronianus

Photo: Petra Ballings
Maleme Dam camp

Tragus berteronianus

Photo: Petra Ballings
Maleme Dam camp

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Species details: Click on each item to see an explanation of that item (Note: opens a new window)

Common names: Carrot seed grass (English) Gewone wortelsaadgras (Afrikaans) Kousklits (Afrikaans) Nama (Shona)
Frequency: Common
Status: Native
Erect or ascending annual grass, up to 45 cm. Leaves short, broad and wavy, laminas 1.5–5.5 cm × 2–5 mm with spaced hairs along the margin. Inflorescence a long, dense spike, 3.5–15 cm long, compactly cylindrical and congested; racemelets comprising 2 fertile spikelets borne on a short peduncle and separated by a distinct internode 0.3–0.7 mm long. Spikelets covered in barbed hairs, which easily stick to clothing and fur, 1.8–3 mm long; superior glume prominently 5-nerved, the nerves bearing hooked, bulbous-based prickles, glabrous between the nerves; anthers 0.4–0.6 mm long.
Derivation of specific name: berteronianus: in honor of Carlo Luigi Guiseppe Bertero (1789-1831), Italian botanist, naval physician, pharmacist and traveller
Habitat: In disturbed areas, on roadsides and on bare or overgrazed soil.
Altitude range: (metres) Up to 1490 m
Flowering time:Nov - May
Worldwide distribution: Africa, Arabia, Afghanistan and China; also tropics and subtropics of New World
Zimbabwe distribution: N,W,C,E,S
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Saturday 9 September 2006

Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 56.

Cope, T.A. (1999). Poaceae Flora Zambesiaca 10(2) Pages 246 - 248. (Includes a picture).

Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 514. (Includes a picture).

Isaiah, A.M. & Komi, T. (2015). Grasses in the Botswana National Botanic Garden South African National Biodiversity Institute, Pretoria Page 32. (Includes a picture).

Jackson, G. & Wiehe, P.O. (1958). An Annotated Check List of Nyasaland Grasses The Government Printer, Zomba, Nyasaland Page 63.

Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 111.

Pickering, H. & Roe, E. (2009). Wild Flowers of the Victoria Falls Area Helen Pickering, London Page 97. (Includes a picture).

Roodt, V. (2015). Grasses & Grazers of Botswana and the surrounding savanna Struik Nature, South Africa Pages 214 - 215. (Includes a picture).

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 147.

Timberlake, J.R. & Childes, S.L. (2004). Biodiversity of the Four Corners Area: Technical Reviews Volume Two (Chapter 5-15) Appendix 5-1: Plant Checklist Occasional Publications in Biodiversity 15 Page 192.

Wild, H. (1955). Common Rhodesian Weeds Government of Rhodesia, Salisbury Page 3. (Includes a picture).

Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 86.

Other sources of information about Tragus berteronianus:

Our websites:

Flora of Botswana: Tragus berteronianus
Flora of Caprivi: Tragus berteronianus
Flora of Caprivi: cultivated Tragus berteronianus
Flora of Malawi: Tragus berteronianus
Flora of Mozambique: Tragus berteronianus
Flora of Zambia: Tragus berteronianus

External websites:

African Plants: A Photo Guide (Senckenberg): Tragus berteronianus
African Plant Database: Tragus berteronianus
BHL (Biodiversity Heritage Library): Tragus berteronianus
EOL (Encyclopedia of Life): Tragus berteronianus
GBIF (Global Biodiversity Information Facility): Tragus berteronianus
Google: Web - Images - Scholar
iNaturalist: Tragus berteronianus
IPNI (International Plant Names Index): Tragus berteronianus
JSTOR Plant Science: Tragus berteronianus
Mansfeld World Database of Agricultural and Horticultural Crops: Tragus berteronianus
Plants of the World Online: Tragus berteronianus
Tropicos: Tragus berteronianus
Wikipedia: Tragus berteronianus

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Zimbabwe: Species information: Tragus berteronianus., retrieved 29 May 2024

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