Home | > | List of families | > | Poaceae | > | Aristida | > | congesta |
Synonyms: |
Aristida alopecuroides Hack. apud Schinz Aristida congesta Roem. & Schult. subsp. congesta Aristida congesta var. genuina Chiov. Aristida congesta var. megalostachya Henrard Aristida congesta var. pilifera Chiov. Aristida elytrophoroides Chiov. Aristida longicauda Hack. Aristida rangei Pilg. Chaetaria congesta (Roem. & Schult.) Nees |
Common names: | Tassel three-awn (English) |
Frequency: | |
Status: | Native |
Description: |
Densely tufted perennial grass, up to c. 80 cm high. Culms more or less erect, simple or branched from lower or upper nodes, rather wiry, hairless, smooth. Leaves linear, up to 20 cm long, folded but usually flat at the base, fairly rigid and more or less curved, scabrous or hispidulous above, hairless and smooth beneath; margins not thickened. Ligule a short-ciliolate rim. Panicle up to 25 cm long, dense and contracted, spike-like, often interrupted towards the base, sometimes with 1 or 2 subspicate more or less spreading branches at the base. Spikelets densely clustered, purplish or greenish. Inferior glume lanceolate, 4-8 mm long, often abruptly contracted at the apex, with a short awn, 1-4 mm long; superior glume narrower, 5-9 mm long, with a short awn 1-3 mm long. Lemma tubular, 4-6 mm long, scabrid, finely tuberculed; awns subequal, up to 12-30 mm long, scabrous, more or less divergent. |
Notes: | A variable grass with many subtaxa formerly described but no longer recognized |
Derivation of specific name: | congesta: congested (refers to a tight inflorescence) |
Habitat: | In open grassland, vleis, mopane woodland, near hot springs, in fallow fields, on old tobacco lands and in waste places |
Altitude range: | |
Flowering time: | |
Worldwide distribution: | Sudan, Ethiopia, Somalia, Kenya, Tanzania, Mozambique, Zambia, Zimbabwe, Botswana, Namibia, Lesotho and South Africa. |
Mozambique distribution: | GI,M |
Growth form(s): | |
Endemic status: | |
Red data list status: | |
Insects associated with this species: | |
Spot characters: | Display spot characters for this species |
Content last updated: | Thursday 1 August 2019 |
Literature: |
Chapano, C. (2002). A checklist of Zimbabwean grasses Southern African Botanical Diversity Network Report No. 16. Pretoria. Page 4. Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 4. As Aristida congesta congesta and A. congesta barbicollis Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 130. Fish, L., Mashau, A.C., Moeaha, M.J. & Nembudani, M.T. (2015). Identification Guide to Southern African Grasses Strelitzia 36 South African National Biodiversity Institute, Pretoria Page 90. Klaassen Esmerialda, E.S. & Craven P. (2003). Checklist of grasses in Namibia SABONET Report No. 20 Page 10. Launert, E. (1971). Poaceae Flora Zambesiaca 10(1) Pages 127 - 128. 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 99. Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 126. As var. congesta Pickering, H. & Roe, E. (2009). Wild Flowers of the Victoria Falls Area Helen Pickering, London Page 94. (Includes a picture). Roodt, V. (2015). Grasses & Grazers of Botswana and the surrounding savanna Struik Nature, South Africa Pages 38 - 39. as Aristida congesta subsp. congesta (Includes a picture). Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 131. Siebert, S. & Mössmer, M. (Editors) (2002). SABONET Southern Mozambique Expedition 2001; Provisional Plant Checklist of the Maputo Elephant Reserve (MER) and Licuati Forest Reserve (LFR) SABONET News 7(1) Page 27. As Aristida congesta congesta |
Home | > | List of families | > | Poaceae | > | Aristida | > | congesta |