Home | > | List of families | > | Poaceae | > | Tragus | > | berteronianus |
Synonyms: | |
Common names: | Carrot seed grass (English) |
Frequency: | |
Status: | Native |
Description: |
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. |
Notes: | |
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: | Up to 1490 m |
Flowering time: | Nov - May |
Worldwide distribution: | Africa, Arabia, Afghanistan and China; also tropics and subtropics of New World |
Malawi distribution: | C,S |
Growth form(s): | |
Endemic status: | |
Red data list status: | |
Insects associated with this species: | |
Spot characters: | Display spot characters for this species |
Literature: |
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. |
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