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Eragrostis inamoena K. Schum. [family GRAMINEAE]

Date Updated: 26 July 2007

Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 10, Part 2, (1999) Author: T. Cope
Names
Eragrostis inamoena K. Schum. [family GRAMINEAE], in Engler, Pflanzenw. Ost-Afrikas C: 115 (1895). —Simon in Kirkia 8: 61 (1971). —Clayton in F.T.E.A., Gramineae: 218 (1974). —Gibbs Russell et al., Grasses Southern Africa [Mem. Bot. Surv. S. Africa No. 58]: 151 (1990). Types from Tanzania. Eragrostis galpinii Stent [family GRAMINEAE], in Bothalia 1: 176 (1923). Type from South Africa (Transvaal). Eragrostis atrovirens [family GRAMINEAE], sensu Sturgeon in Rhodesia Agric. J. 51: 302 (1954). —sensu Chippindall in Meredith, Grasses & Pastures of South Africa: 163, figs. 132 & 133 (1955), non (Desf.) Steud. Eragrostis friesii [family GRAMINEAE], sensu Simon in Kirkia 8: 27 (1971), non Pilg. Eragrostis gangetica [family GRAMINEAE], sensu Stent & Rattray in Proc. & Trans. Rhodesia Sci. Assoc. 32: 56 (1933), non (Roxb.) Steud. Eragrostis sp. [family GRAMINEAE], (Simon & Williamson 2035) of Simon in Kirkia 8: 62 (1971).
Information
Caespitose perennial with short oblique rhizome; culms slender, up to 100 cm tall, erect, unbranched, glabrous at the nodes, eglandular; basal leaf sheaths glabrous, chartaceous, usually compressed, eglandular, persistent; ligule a line of hairs; leaf laminas 4–25 cm × 2–4 mm, linear, usually involute, glabrous, eglandular.Panicle 7–25 cm long, broadly ovate, loose to moderately dense, the spikelets evenly distributed on pedicels 2–4 mm long, the primary branches not in whorls, terminating in a fertile spikelet, glabrous in the axils, eglandular.Spikelets 5–20 × 2–3(3.5) mm, narrowly oblong, laterally compressed, 9–40-flowered, the florets disarticulating from below upwards, the rhachilla persistent; glumes subequal, 1.2–2 mm long, reaching to between 2/3 and 3/4 the way along the adjacent lemmas, keeled, lanceolate in profile, glabrous, acute at the apex; lemmas 1.7–2.5 mm long, keeled, ovate in profile, membranous with distinct lateral nerves, diverging from the rhachilla at c. 45°, those in opposite rows not imbricate, the rhachilla visible between them, greyish-green to dark green, minutely asperulous, acute or subacute at the apex; palea deciduous with or soon after the lemma, glabrous on the flanks, the keels slender, wingless, scaberulous; anthers 3, 0.7–1 mm long.Caryopsis 0.7–1 mm long, narrowly elliptic.
Habitat
Dambos, floodplain grassland and swampy grassland, on river banks, lake shores, coastal areas and in shallow pans in clayey soils, in sandy soils and on Kalahari Sand
Range
tropical Africa southwards to South Africa
Altitude range
0–1500 m. 1500 0
Distribution
Botswana N Ngamiland Distr., Maun, 2 km west of Boro River, 920 m, 29.iii.1987, Long & Rae 483 (K).Zambia B Mongu Distr., Kanda Pan, 25.xi.1964, van Rensburg 3002 (BM; K; SRGH).Zimbabwe N Binga Distr., Dett Vlei, c. 820 m, 8.xii.1956, Lovemore 523 (K; SRGH).Malawi C Kasungu Distr., Lisasadzi Dambo, 24.xi.1951, Jackson 687 (BM; K; MAL).Mozambique N Angoche (António Enes), Nantira, 45 m, 18.xii.1967, Hindorf 213 (K).Botswana SE Palapye Distr., Moeng College, 28.xi.1957, de Beer 518 (SRGH).Zambia N Mbesuma Ranch, Chambeshi River, c. 1190 m, 5.i.1962, Astle 1178 (BM; K; SRGH).Zambia W Mwinilunga Distr., 20 km west of Mwinilunga, 1370 m, 20.xii.1969, Simon & Williamson 1895 (BM; K; PRE; SRGH).Zambia E Chipata Distr., Lunkwakwa, 12.x.1967, Mutimushi 2148 (SRGH).Zambia S Namwala Distr., Lochinvar National Park, east of Chunga, 980 m, 19.xii.1971, van Lavieren, Sayer & Rees 406 (K).Zimbabwe W Matobo Distr., Besna Kobila, 1430 m, ii.1953, Miller 1584 (K; SRGH).Zimbabwe C Wedza Distr., Nyamatonora Dam, iii.1955, Davies 1006 (K; SRGH).Zimbabwe E Chimanimani (Melsetter), 8.iii.1931, Otterson in GHS 4115 (K).Zimbabwe S Chivi Distr., Runde (Lundi) River, Hippo Pools, c. 610 m, xii.1955, Davies 1814 (K; SRGH).Malawi S Phalombe (Palombe) Plain, 15.xi.1950, Wiehe 679 (K; MAL).Mozambique Z Mocuba, Namagoa, 60–120 m, 1944, Faulkner 11 (K; PRE).Mozambique MS Chimoio, Inchope–Revué River, 3.xi.1953, Pedro 4556 (K; PRE).Mozambique GI Xai-Xai, Barra do Limpopo, Zongoene, 21.xii.1979, de Koning 7830 (K; SRGH).Mozambique M Maputo (Lourenço Marques), Muntanhane, 13.xi.1960, Balsinhas 257 (BM; COI; K; LISC; PRE; SRGH).Caprivi Strip 11 km south of Katima Mulilo on road to Ngoma, c. 915 m, 22.xii.1958, Killick & Leistner 3036 (K; SRGH).
Notes
Very similar to 70. E. atrovirens and more or less completely intergrading with it.It can, in many cases, be readily distinguished by its slightly rhizomatous base and its evenly distributed, marginally larger spikelets (though the last is not so evident in plants from Botswana), but a number of specimens will always prove difficult to assign with certainty.

Date Updated: 26 July 2007

Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 10, Part 2, (1999) Author: T. Cope
Names
Eragrostis inamoena K. Schum. [family GRAMINEAE], in Engler, Pflanzenw. Ost-Afrikas C: 115 (1895). —Simon in Kirkia 8: 61 (1971). —Clayton in F.T.E.A., Gramineae: 218 (1974). —Gibbs Russell et al., Grasses Southern Africa [Mem. Bot. Surv. S. Africa No. 58]: 151 (1990). Types from Tanzania. Eragrostis galpinii Stent [family GRAMINEAE], in Bothalia 1: 176 (1923). Type from South Africa (Transvaal). Eragrostis atrovirens [family GRAMINEAE], sensu Sturgeon in Rhodesia Agric. J. 51: 302 (1954). —sensu Chippindall in Meredith, Grasses & Pastures of South Africa: 163, figs. 132 & 133 (1955), non (Desf.) Steud. Eragrostis friesii [family GRAMINEAE], sensu Simon in Kirkia 8: 27 (1971), non Pilg. Eragrostis gangetica [family GRAMINEAE], sensu Stent & Rattray in Proc. & Trans. Rhodesia Sci. Assoc. 32: 56 (1933), non (Roxb.) Steud. Eragrostis sp. [family GRAMINEAE], (Simon & Williamson 2035) of Simon in Kirkia 8: 62 (1971).
Information
Caespitose perennial with short oblique rhizome; culms slender, up to 100 cm tall, erect, unbranched, glabrous at the nodes, eglandular; basal leaf sheaths glabrous, chartaceous, usually compressed, eglandular, persistent; ligule a line of hairs; leaf laminas 4–25 cm × 2–4 mm, linear, usually involute, glabrous, eglandular.Panicle 7–25 cm long, broadly ovate, loose to moderately dense, the spikelets evenly distributed on pedicels 2–4 mm long, the primary branches not in whorls, terminating in a fertile spikelet, glabrous in the axils, eglandular.Spikelets 5–20 × 2–3(3.5) mm, narrowly oblong, laterally compressed, 9–40-flowered, the florets disarticulating from below upwards, the rhachilla persistent; glumes subequal, 1.2–2 mm long, reaching to between 2/3 and 3/4 the way along the adjacent lemmas, keeled, lanceolate in profile, glabrous, acute at the apex; lemmas 1.7–2.5 mm long, keeled, ovate in profile, membranous with distinct lateral nerves, diverging from the rhachilla at c. 45°, those in opposite rows not imbricate, the rhachilla visible between them, greyish-green to dark green, minutely asperulous, acute or subacute at the apex; palea deciduous with or soon after the lemma, glabrous on the flanks, the keels slender, wingless, scaberulous; anthers 3, 0.7–1 mm long.Caryopsis 0.7–1 mm long, narrowly elliptic.
Habitat
Dambos, floodplain grassland and swampy grassland, on river banks, lake shores, coastal areas and in shallow pans in clayey soils, in sandy soils and on Kalahari Sand
Range
tropical Africa southwards to South Africa
Altitude range
0–1500 m. 1500 0
Distribution
Botswana N Ngamiland Distr., Maun, 2 km west of Boro River, 920 m, 29.iii.1987, Long & Rae 483 (K).Zambia B Mongu Distr., Kanda Pan, 25.xi.1964, van Rensburg 3002 (BM; K; SRGH).Zimbabwe N Binga Distr., Dett Vlei, c. 820 m, 8.xii.1956, Lovemore 523 (K; SRGH).Malawi C Kasungu Distr., Lisasadzi Dambo, 24.xi.1951, Jackson 687 (BM; K; MAL).Mozambique N Angoche (António Enes), Nantira, 45 m, 18.xii.1967, Hindorf 213 (K).Botswana SE Palapye Distr., Moeng College, 28.xi.1957, de Beer 518 (SRGH).Zambia N Mbesuma Ranch, Chambeshi River, c. 1190 m, 5.i.1962, Astle 1178 (BM; K; SRGH).Zambia W Mwinilunga Distr., 20 km west of Mwinilunga, 1370 m, 20.xii.1969, Simon & Williamson 1895 (BM; K; PRE; SRGH).Zambia E Chipata Distr., Lunkwakwa, 12.x.1967, Mutimushi 2148 (SRGH).Zambia S Namwala Distr., Lochinvar National Park, east of Chunga, 980 m, 19.xii.1971, van Lavieren, Sayer & Rees 406 (K).Zimbabwe W Matobo Distr., Besna Kobila, 1430 m, ii.1953, Miller 1584 (K; SRGH).Zimbabwe C Wedza Distr., Nyamatonora Dam, iii.1955, Davies 1006 (K; SRGH).Zimbabwe E Chimanimani (Melsetter), 8.iii.1931, Otterson in GHS 4115 (K).Zimbabwe S Chivi Distr., Runde (Lundi) River, Hippo Pools, c. 610 m, xii.1955, Davies 1814 (K; SRGH).Malawi S Phalombe (Palombe) Plain, 15.xi.1950, Wiehe 679 (K; MAL).Mozambique Z Mocuba, Namagoa, 60–120 m, 1944, Faulkner 11 (K; PRE).Mozambique MS Chimoio, Inchope–Revué River, 3.xi.1953, Pedro 4556 (K; PRE).Mozambique GI Xai-Xai, Barra do Limpopo, Zongoene, 21.xii.1979, de Koning 7830 (K; SRGH).Mozambique M Maputo (Lourenço Marques), Muntanhane, 13.xi.1960, Balsinhas 257 (BM; COI; K; LISC; PRE; SRGH).Caprivi Strip 11 km south of Katima Mulilo on road to Ngoma, c. 915 m, 22.xii.1958, Killick & Leistner 3036 (K; SRGH).
Notes
Very similar to 70. E. atrovirens and more or less completely intergrading with it.It can, in many cases, be readily distinguished by its slightly rhizomatous base and its evenly distributed, marginally larger spikelets (though the last is not so evident in plants from Botswana), but a number of specimens will always prove difficult to assign with certainty.

Date Updated: 26 July 2007

Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 10, Part 2, (1999) Author: T. Cope
Names
Eragrostis inamoena K. Schum. [family GRAMINEAE], in Engler, Pflanzenw. Ost-Afrikas C: 115 (1895). —Simon in Kirkia 8: 61 (1971). —Clayton in F.T.E.A., Gramineae: 218 (1974). —Gibbs Russell et al., Grasses Southern Africa [Mem. Bot. Surv. S. Africa No. 58]: 151 (1990). Types from Tanzania. Eragrostis galpinii Stent [family GRAMINEAE], in Bothalia 1: 176 (1923). Type from South Africa (Transvaal). Eragrostis atrovirens [family GRAMINEAE], sensu Sturgeon in Rhodesia Agric. J. 51: 302 (1954). —sensu Chippindall in Meredith, Grasses & Pastures of South Africa: 163, figs. 132 & 133 (1955), non (Desf.) Steud. Eragrostis friesii [family GRAMINEAE], sensu Simon in Kirkia 8: 27 (1971), non Pilg. Eragrostis gangetica [family GRAMINEAE], sensu Stent & Rattray in Proc. & Trans. Rhodesia Sci. Assoc. 32: 56 (1933), non (Roxb.) Steud. Eragrostis sp. [family GRAMINEAE], (Simon & Williamson 2035) of Simon in Kirkia 8: 62 (1971).
Information
Caespitose perennial with short oblique rhizome; culms slender, up to 100 cm tall, erect, unbranched, glabrous at the nodes, eglandular; basal leaf sheaths glabrous, chartaceous, usually compressed, eglandular, persistent; ligule a line of hairs; leaf laminas 4–25 cm × 2–4 mm, linear, usually involute, glabrous, eglandular.Panicle 7–25 cm long, broadly ovate, loose to moderately dense, the spikelets evenly distributed on pedicels 2–4 mm long, the primary branches not in whorls, terminating in a fertile spikelet, glabrous in the axils, eglandular.Spikelets 5–20 × 2–3(3.5) mm, narrowly oblong, laterally compressed, 9–40-flowered, the florets disarticulating from below upwards, the rhachilla persistent; glumes subequal, 1.2–2 mm long, reaching to between 2/3 and 3/4 the way along the adjacent lemmas, keeled, lanceolate in profile, glabrous, acute at the apex; lemmas 1.7–2.5 mm long, keeled, ovate in profile, membranous with distinct lateral nerves, diverging from the rhachilla at c. 45°, those in opposite rows not imbricate, the rhachilla visible between them, greyish-green to dark green, minutely asperulous, acute or subacute at the apex; palea deciduous with or soon after the lemma, glabrous on the flanks, the keels slender, wingless, scaberulous; anthers 3, 0.7–1 mm long.Caryopsis 0.7–1 mm long, narrowly elliptic.
Habitat
Dambos, floodplain grassland and swampy grassland, on river banks, lake shores, coastal areas and in shallow pans in clayey soils, in sandy soils and on Kalahari Sand
Range
tropical Africa southwards to South Africa
Altitude range
0–1500 m. 1500 0
Distribution
Botswana N Ngamiland Distr., Maun, 2 km west of Boro River, 920 m, 29.iii.1987, Long & Rae 483 (K).Zambia B Mongu Distr., Kanda Pan, 25.xi.1964, van Rensburg 3002 (BM; K; SRGH).Zimbabwe N Binga Distr., Dett Vlei, c. 820 m, 8.xii.1956, Lovemore 523 (K; SRGH).Malawi C Kasungu Distr., Lisasadzi Dambo, 24.xi.1951, Jackson 687 (BM; K; MAL).Mozambique N Angoche (António Enes), Nantira, 45 m, 18.xii.1967, Hindorf 213 (K).Botswana SE Palapye Distr., Moeng College, 28.xi.1957, de Beer 518 (SRGH).Zambia N Mbesuma Ranch, Chambeshi River, c. 1190 m, 5.i.1962, Astle 1178 (BM; K; SRGH).Zambia W Mwinilunga Distr., 20 km west of Mwinilunga, 1370 m, 20.xii.1969, Simon & Williamson 1895 (BM; K; PRE; SRGH).Zambia E Chipata Distr., Lunkwakwa, 12.x.1967, Mutimushi 2148 (SRGH).Zambia S Namwala Distr., Lochinvar National Park, east of Chunga, 980 m, 19.xii.1971, van Lavieren, Sayer & Rees 406 (K).Zimbabwe W Matobo Distr., Besna Kobila, 1430 m, ii.1953, Miller 1584 (K; SRGH).Zimbabwe C Wedza Distr., Nyamatonora Dam, iii.1955, Davies 1006 (K; SRGH).Zimbabwe E Chimanimani (Melsetter), 8.iii.1931, Otterson in GHS 4115 (K).Zimbabwe S Chivi Distr., Runde (Lundi) River, Hippo Pools, c. 610 m, xii.1955, Davies 1814 (K; SRGH).Malawi S Phalombe (Palombe) Plain, 15.xi.1950, Wiehe 679 (K; MAL).Mozambique Z Mocuba, Namagoa, 60–120 m, 1944, Faulkner 11 (K; PRE).Mozambique MS Chimoio, Inchope–Revué River, 3.xi.1953, Pedro 4556 (K; PRE).Mozambique GI Xai-Xai, Barra do Limpopo, Zongoene, 21.xii.1979, de Koning 7830 (K; SRGH).Mozambique M Maputo (Lourenço Marques), Muntanhane, 13.xi.1960, Balsinhas 257 (BM; COI; K; LISC; PRE; SRGH).Caprivi Strip 11 km south of Katima Mulilo on road to Ngoma, c. 915 m, 22.xii.1958, Killick & Leistner 3036 (K; SRGH).
Notes
Very similar to 70. E. atrovirens and more or less completely intergrading with it.It can, in many cases, be readily distinguished by its slightly rhizomatous base and its evenly distributed, marginally larger spikelets (though the last is not so evident in plants from Botswana), but a number of specimens will always prove difficult to assign with certainty.
Eragrostis inamoena K. Schum. [family GRAMINEAE]
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