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| Synonyms: |
Amphilophis glabra (Roxb.) Stapf Amphilophis glabra var. haenkei (J. Presl) E.G. & A. Camus Amphilophis haenkei (J. Presl) Haines Amphilophis insculpta sensu Stent & Rattray, non (Hochst. ex A. Rich.) Stapf. Amphilophis intermedia (R. Br.) Stapf Andropogon bladhii Retz. Andropogon caucasicus Trin. Andropogon glaber Roxb. Andropogon haenkei J. Presl Andropogon intermedius R. Br. Andropogon inundatus F. Muell. Andropogon leptanthus Steud. Andropogon perfossus Nees & Meyen ex Steud. Andropogon punctatus Roxb. Bothriochloa anamitica Kuntze Bothriochloa caucasica (Trin.) C.E. Hubb. Bothriochloa glabra (Roxb.) A.Camus Bothriochloa glabra subsp. haenkei (J. Presl) Henrard Bothriochloa glabra var. epunctata Jackson Bothriochloa haenkei (J. Presl) Ohwi Bothriochloa intermedia (R. Br.) A. Camus Bothriochloa inundata (F. Muell.) J.M. Black Dichanthium bladhii (Retz.) Clayton Rhaphis stricta Nees Sorghum intermedium (R. Br.) Kuntze Sorghum intermedium var. haenkei (J. Presl) Kuntze |
| Common names: | Purple plume grass (English) |
| Frequency: | |
| Status: | Native |
| Description: |
Caespitose perennial of variable habit; culms up to 100 cm high, rather straggling, the nodes glabrous, the internodes terete or channelled on one side; leaf sheaths barbate at the base; ligule membranous; leaf laminas up to 30 cm × 10 mm, almost glabrous, tapering gradually to a slender apex. Inflorescence paniculate, with numerous slender branches 2–5 cm long on a common axis 3–10 cm long; lowermost branches sometimes themselves branched; spikelets usually dark purple or flushed with purple; rhachis internodes and pedicels pilose with hairs up to 2.5 mm long. Sessile spikelet 3–4 mm long, barbate at the base; inferior glume pilose below the middle on the back, rarely glabrous, rigidly ciliate on the margins above, depressed along the middle, with a deep or shallow pit in the upper part, the pit sometimes absent in some spikelets, rarely absent altogether; superior glume lanceolate, the margins sparsely ciliate above or glabrous, depressed along both sides of the keel, the keel scabrid above; inferior floret empty, the lemma oblong, obtuse, glabrous; superior floret epaleate, with stipitiform lemma; awn 10–18 mm long, geniculate, glabrous; anthers c. 1.5 mm long. Pedicelled spikelet usually smaller than the sessile spikelet and reduced to 1 or 2 glumes, rarely well developed and with the inferior glume pitted. |
| Notes: | |
| Derivation of specific name: | |
| Habitat: | Growing on streamsides, swamp margins and cracking clays |
| Altitude range: (metres) | 40 - 1500 m |
| Flowering time: | |
| Worldwide distribution: | Africa to India, Australia and the Pacific; introduced in N America |
| 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 |
| Literature: |
Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 9. Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 6. Cope, T.A. (2002). Poaceae Flora Zambesiaca 10(4) Pages 45 - 47. (Includes a picture). Jackson, G. & Wiehe, P.O. (1958). An Annotated Check List of Nyasaland Grasses The Government Printer, Zomba, Nyasaland Page 30. As Bothriochloa caucasica (p. 66), B. glabra glabra and B. glabra epunctata Klaassen Esmerialda, E.S. & Craven P. (2003). Checklist of grasses in Namibia SABONET Report No. 20 Page 15. 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 100. Roodt, V. (2015). Grasses & Grazers of Botswana and the surrounding savanna Struik Nature, South Africa Pages 50 - 51. (Includes a picture). Setshogo, M.P. (2000). Notes on the grass subtribe Sorghinae (Poaceae: Andropogoneae) in the Flora Zambesiaca area Kirkia 17(2) Page 144. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 131. |
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