| Home | > | List of families | > | Poaceae | > | Tragus | > | racemosus |
| Synonyms: |
Cenchrus racemosus L. Tragus arenarius Bremek. & Oberm. |
| Common names: | |
| Frequency: | |
| Status: | |
| Description: |
Annual up to 25 cm tall, erect or geniculately ascending; leaf laminas 2–6 cm × 1.5–4.5 mm, flat or plicate, glaucous, the margins thickened, whitish, pectinate with bulbous-based hairs or barbellate.Inflorescence 2.5–6 cm long, compactly cylindrical, congested; racemelets comprising (1)2–4 fertile and (1)2 sterile spikelets borne on a short peduncle.Spikelets 3.2–4 mm long; superior glume prominently 7-nerved, the nerves bearing hooked, bulbous-based prickles, glabrous between the nerves; anthers 0.5–0.7 mm long. |
| Notes: | |
| Derivation of specific name: | |
| Habitat: | In shallow soil over exposed rock and in cracks in limestone, in mopane and Acacia woodland on sandy or stony soil, and on compacted soil on pan margins |
| Flowering time: | |
| Worldwide distribution: | Mediterranean region and Arabia, and southwards through tropical Africa to South Africa |
| Botswana distribution: | N,SW,SE |
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| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Literature: |
Cope, T.A. (1999). Poaceae Flora Zambesiaca 10(2) Page 248. Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 515. (Includes a picture). 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. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 147. |
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