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This species is accepted, and its native range is Cape Verde, Tropical & S. Africa.
Andropogon gayanus

[CPLC]

Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

Distribution
Naturalizada en Colombia; Alt. 1000 - 1500 m.
Morphology General Habit
Hierba
Conservation
No Evaluada

[FSOM]

M. Thulin et al. Flora of Somalia Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Tall tufted perennial up to 2.5 m high; leaves up to 60 cm x 20 mm, often narrowed at the base and falsely petiolate
Morphology Reproductive morphology Inflorescences
Inflorescence of paired racemes gathered into a large leafy false panicle; racemes 4–9 cm long; internodes and pedicels cuneate, ciliate on one side only
Morphology Reproductive morphology Inflorescences Spikelets
Sessile spikelet 5–8 mm long including the c. 1 mm shortly oblong callus; lower glume narrowly oblong, ± flat on the back with many intercarinal nerves and a conspicuous median depression, wingless; upper glume muticous or mucronate; upper lemma deeply bilobed, with an awn 10–30 mm long Pedicelled spikelet 5–8 mm long; lower glume narrowly elliptic with an awn 1–10 mm long (the upper similar).
Distribution
C1; S1 tropical and South Africa.

[FTEA]

Gramineae, W. D. Clayton, S. M. Phillips & S. A. Renvoize. Flora of Tropical East Africa. 1974

Morphology General Habit
Tall tufted perennial; culms 1.5–2.5 m. high.
Morphology Leaves
Leaf-blades variable, up to 60 cm. long, 4–20 mm. wide, often narrowed to the midrib at the base and sometimes falsely petiolate, commonly with an external ligule (a membranous rim at junction between sheath and blade on the abaxial side).
Morphology Reproductive morphology Inflorescences
Inflorescence of paired racemes gathered into a large leafy false panicle; racemes 4–9 cm. long; internodes and pedicels cuneate, ciliate on 1 or both sides, the pedicel ± bilobed at the tip.
Morphology Reproductive morphology Inflorescences Spikelets
Sessile spikelet 5–8 mm. long, including a shortly oblong callus ± 1 mm. long; lower glume narrowly oblong, ± flat on the back with many nerves between the lateral keels and a conspicuous median groove, glabrous, wingless; upper glume muticous or mucronate; upper lemma deeply bilobed, with an awn 10–30 mm. long. Pedicelled spikelet narrowly elliptic, 5–8 mm. long, the lower (sometimes also the upper) glume bearing an awn 1–10 mm. long.
Sessile
Sessile spikelet 5–8 mm. long, including a shortly oblong callus ± 1 mm. long; lower glume narrowly oblong, ± flat on the back with many nerves between the lateral keels and a conspicuous median groove, glabrous, wingless; upper glume muticous or mucronate; upper lemma deeply bilobed, with an awn 10–30 mm. long.
Pedicelled
Pedicelled spikelet narrowly elliptic, 5–8 mm. long, the lower (sometimes also the upper) glume bearing an awn 1–10 mm. long.
Figures
Fig. 180/4, p. 769.

[FZ]

Gramineae, T. A. Cope. Flora Zambesiaca 10:4. 2002

Morphology General Habit
Caespitose perennial; culms up to 350 cm high, erect, branched above, glaucous.
Morphology Leaves
Leaf sheaths occasionally woolly below; ligule a very short (c. 2 mm) minutely fringed membrane, the leaves often with small protuberances or a second ligule present abaxially to the ligule; laminas 20–50(80) cm × 4–22 mm, reduced to the midrib and petiole-like at the base, gradually much expanded above, folded or flat, tapering to a fine point at the apex, this often with minute dense white hairs.
Morphology Reproductive morphology Inflorescences
Racemes in pairs, 4–10 cm long, clearly exserted from the spatheole, silvery with white hairs; peduncles longer than the racemes; internodes and pedicels clavate, ciliate with hairs c. 4 mm long on both margins, bilobed at the apex, the lobes c. 2 mm long.
Morphology Reproductive morphology Inflorescences Spikelets
Sessile spikelet 6.5–8.5 mm long; inferior glume with a shallow median groove, glabrous or with short hairs; superior glume convex on the back; superior lemma bifid in the upper 1/4; awn geniculate, 13–32 mm long; anthers 3–5 mm long, straw-coloured. Pedicelled spikelet male, 5–7.5 mm long; inferior glume mucronate or with an awn up to 3.5 mm long.
Sessile
Sessile spikelet 6.5–8.5 mm long; inferior glume with a shallow median groove, glabrous or with short hairs; superior glume convex on the back; superior lemma bifid in the upper 1/4; awn geniculate, 13–32 mm long; anthers 3–5 mm long, straw-coloured.
Pedicelled
Pedicelled spikelet male, 5–7.5 mm long; inferior glume mucronate or with an awn up to 3.5 mm long.

[GB]
Morphology General Habit
Perennial; caespitose. Culms 150-250 cm long. Ligule an eciliate membrane. Collar without external ligule, or with external ligule. Leaf-blade base tapering to the midrib; without a false petiole, or with a false petiole. Leaf-blades 30-60 cm long; 4-20 mm wide.
Morphology Reproductive morphology Inflorescences
Synflorescence compound; paniculate; lax. Inflorescence composed of racemes; terminal and axillary; subtended by a spatheole. Spatheole lanceolate; 6-8 cm long; herbaceous. Racemes 2; paired; 4-9 cm long. Rhachis fragile at the nodes; glabrous on surface; ciliate on margins. Rhachis internodes cuneate. Rhachis internode tip transverse; crateriform; with simple rim. Spikelets appressed; in pairs. Fertile spikelets sessile; 1 in the cluster. Companion sterile spikelets pedicelled; 1 in the cluster. Pedicels cuneate; 4-5 mm long; ciliate; tip lobed.
Sterile
Companion sterile spikelets well-developed; male; elliptic; dorsally compressed; 5-8 mm long; as long as fertile. Companion sterile spikelet glumes chartaceous; glabrous, or pubescent, or villous; acute; awned; one glume awned, or both glumes awned; with 1-10 mm long awn. Companion sterile spikelet lemmas 2; enclosed by glumes.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; 5-8 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus oblong; 1 mm long; pilose; base obtuse; inserted. Companion sterile spikelets well-developed; male; elliptic; dorsally compressed; 5-8 mm long; as long as fertile. Companion sterile spikelet glumes chartaceous; glabrous, or pubescent, or villous; acute; awned; one glume awned, or both glumes awned; with 1-10 mm long awn. Companion sterile spikelet lemmas 2; enclosed by glumes.
Fertile
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; 5-8 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus oblong; 1 mm long; pilose; base obtuse; inserted.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes dissimilar; exceeding apex of florets; firmer than fertile lemma. Lower glume oblong; 1 length of spikelet; coriaceous; 2-keeled; keeled laterally. Lower glume intercarinal veins distinct. Lower glume surface flat and with a longitudinal median groove; glabrous. Upper glume lanceolate; chartaceous; 1-keeled. Upper glume muticous, or mucronate.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets barren; without significant palea. Lemma of lower sterile floret lanceolate; hyaline; 2 -veined. Fertile lemma oblong; hyaline; without keel. Lemma apex lobed; 2 -fid; awned; 1 -awned. Principal lemma awn from a sinus; geniculate; 10-30 mm long overall; with twisted column. Column of lemma awn glabrous.
Distribution
Africa: Macaronesia, west tropical, west-central tropical, northeast tropical, east tropical, southern tropical, and south. Asia-tropical: Indo-China. Australasia: Australia. South America: northern South America, western South America, and Brazil.
Reference
Andropogoneae. FTEA.

Native to:

Angola, Benin, Botswana, Burkina, Burundi, Cameroon, Cape Verde, Caprivi Strip, Central African Repu, Chad, Eritrea, Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Gulf of Guinea Is., Ivory Coast, KwaZulu-Natal, Liberia, Malawi, Mali, Mauritania, Mozambique, Namibia, Niger, Nigeria, Northern Provinces, Senegal, Sierra Leone, Somalia, Sudan, Swaziland, Tanzania, Togo, Uganda, Zambia, Zaïre, Zimbabwe

Introduced into:

Andaman Is., Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Colombia, Cuba, Laos, Mexico Central, Mexico Gulf, Mexico Northwest, Mexico Southwest, Nicobar Is., Northern Territory, Philippines, Queensland, Suriname, Trinidad-Tobago, Western Australia

English
Blue grass, Rhodesian blue grass

Andropogon gayanus Kunth appears in other Kew resources:

Date Reference Identified As Barcode Type Status
May 1, 1998 Nascimento, M.S.B. [1331], Brazil K001072833
Apr 1, 1998 Nascimento, M.S.B. [1182], Brazil K001072835
Apr 1, 1998 Nascimento, M.S.B. [1182], Brazil K001072837
Davey, J.T. [7], Mali K000386130
Davey, J.T. [121], Mali K000386131
Davey, J.T. [119], Mali K000386132
Davey, J.T. [116], Mali K000386134
Davey, J.T. [120], Mali K000386135
Ratter, J.A. [R 1085], Brazil K001072832
Davey, J.T. [118], Mali K000386133
Harley, R.M. [53904], Brazil K001072836
Waterlot [1418], Mali K000386129
Carvalho, A.M.V. de [4047], Brazil K001072834
Wood, J.R.I. [4233], Colombia K001470356
Ecuador K001470357

First published in Révis. Gramin. 1: 163 (1829)

Accepted by

  • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • Baksh-Comeau, Y., Maharaj, S.S., Adams, C.D., Harris, S.A., Filer, D.L. & Hawthorne, W.D. (2016). An annotated checklist of the vascular plants of Trinidad and Tobago with analysis of vegetation types and botanical 'hotspots' Phytotaxa 250: 1-431.
  • Barry, J. P. & Celles, J.S. (1991). Flore de Mauritanie 2: 360-550. Centre Regional de Documentation Pedagogique, Nice.
  • Boggan, J. Funck, V. & Kelloff, C. (1997). Checklist of the Plants of the Guianas (Guyana, Surinam, Franch Guiana) ed. 2: 1-238. University of Guyana, Georgetown.
  • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
  • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 2(2): 1-94. ORSTOM, Bangui.
  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Cope, T.A. (2002). Flora Zambesiaca 10(4): 1-190. Royal Botanic Gardens, Kew.
  • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
  • Dobignard, A. & Chatelain, C. (2013). Index synonymique de la flore d'Afrique du nord 5: 1-451. Éditions des conservatoire et jardin botaniques, Genève.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Gillet, H. (1968). Le peuplement végétal du massif de l'Ennedi (Tchad) Mémoires du Muséum National d'Histoire Naturelle. Serie B. Botanique 17: 1-206.
  • Hedberg, I. & Edwards, S. (eds.) (1995). Flora of Ethiopia and Eritrea 7: 1-430. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.
  • Jones, M. (1991). A checklist of Gambian plants: 1-33. Michael Jones, The Gambia College.
  • Lebrun, J.P. (1973). Énumération des plantes vasculaires du Sénégal: 1-209. Maisons Alfort: Institut d'élevage et de médecine vétérinaire des pays tropicaux.
  • Lisowski, S. (2009). Flore (Angiospermes) de la République de Guinée Scripta Botanica Belgica 41: 1-517.
  • Newman, M., Ketphanh, S., Svengsuksa, B., Thomas, P., Sengdala, K., Lamxay, V. & Armstrong, K. (2007). A checklist of the vascular plants of Lao PDR: 1-394. Royal Botanic Gardens, Edinburgh.
  • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
  • Peyre de Fabregues, B. & Lebrun, J.-P. (1976). Catalogue des Plantes Vascularies du Niger: 1-433. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
  • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
  • Thulin, M. (ed.) (1995). Flora of Somalia 4: i-ii, 1-298. The Royal Botanic Gardens, Kew.
  • Vigosa-Mercado, J.L. & Fonseca, R.M. (2017). Flora de Guerrero 75: 1-153. Facultade de Ciencias, UNAM.
  • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.

Literature

Catálogo de Plantas y Líquenes de Colombia

  • ColPlantA (2021). "ColPlantA. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://www.colplanta.org/"

Flora of West Tropical Africa

  • Chev. Bot. 717
  • Enum. Pl. 1: 491 (1833)
  • F.T.A. 9: 261
  • in Rev. Bot. Appliq. 13: 866.

Kew Backbone Distributions

  • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
  • Aedo, C., Tellería, M.T. & Velayos, M. (eds.) (1999). Bases Documentales para la Flora de Guinea Ecuatorial; Plantas vascularis y hongos: 1-414. CSIC, real jardín Botánico, Madrid.
  • Baksh-Comeau, Y., Maharaj, S.S., Adams, C.D., Harris, S.A., Filer, D.L. & Hawthorne, W.D. (2016). An annotated checklist of the vascular plants of Trinidad and Tobago with analysis of vegetation types and botanical 'hotspots' Phytotaxa 250: 1-431.
  • Boggan, J. Funck, V. & Kelloff, C. (1997). Checklist of the Plants of the Guianas (Guyana, Surinam, Franch Guiana) ed. 2: 1-238. University of Guyana, Georgetown.
  • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
  • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 2(2): 1-94. ORSTOM, Bangui.
  • Clayton, W.D. & Renvoize, S.A. (1982). Gramineae Flora of Tropical East Africa 3: 451-898.
  • Cope, T.A. (2002). Flora Zambesiaca 10(4): 1-190. Royal Botanic Gardens, Kew.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
  • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
  • Gillet, H. (1968). Le peuplement végétal du massif de l'Ennedi (Tchad) Mémoires du Muséum National d'Histoire Naturelle. Serie B. Botanique 17: 1-206.
  • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
  • Hedberg, I. & Edwards, S. (eds.) (1995). Flora of Ethiopia and Eritrea 7: 1-430. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.
  • Jones, M. (1991). A checklist of Gambian plants: 1-33. Michael Jones, The Gambia College.
  • Lewalle, J. (1970). Liste floristique et répartition altitudinale de la flore du Burundi occidental: 1-84. Université officielle de Bujumbura.
  • Lisowski, S. (2009). Flore (Angiospermes) de la République de Guinée Scripta Botanica Belgica 41: 1-517.
  • Newman, M., Ketphanh, S., Svengsuksa, B., Thomas, P., Sengdala, K., Lamxay, V. & Armstrong, K. (2007). A checklist of the vascular plants of Lao PDR: 1-394. Royal Botanic Gardens, Edinburgh.
  • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
  • Pandey, R.P. & Dilwakar, P.G. (2008). An integrated check-list flora of Andaman and Nicobar islands, India Journal of Economic and Taxonomic Botany 32: 403-500.
  • Peyre de Fabregues, B. & Lebrun, J.-P. (1976). Catalogue des Plantes Vascularies du Niger: 1-433. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
  • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
  • Robyns, W. (1929). Flore Agrostologique du Congo Belge et du Ruanda-Urundi 1: 1-229. Goemaere, Bruxelles.
  • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
  • Thulin, M. (ed.) (1995). Flora of Somalia 4: i-ii, 1-298. The Royal Botanic Gardens, Kew.
  • Vigosa-Mercado, J.L. & Fonseca, R.M. (2017). Flora de Guerrero 75: 1-153. Facultade de Ciencias, UNAM.

Flora of Somalia

  • Flora Somalia, Vol 4, (1995) Author: by T. A. Cope [updated by M. Thulin 2008]

Flora of Tropical East Africa

  • Clayton in Flora of West Tropical Africa, ed. 2, 3: 488 (1972).
  • F. W. Andr., The Flowering Plants of the Sudan 3: 389 (1956).
  • K.W. Harker & D.M. Napper, An Illustrated Guide to the Grasses of Uganda p. 15 (1960).
  • Kunth, Enum. Pl. 1: 491 (1833).
  • Stapf in Flora of Tropical Africa 9: 261 (1919).

Catálogo de Plantas y Líquenes de Colombia
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Flora Zambesiaca
Flora Zambesiaca
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Flora of Somalia
Flora of Somalia
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Flora of Tropical East Africa
Flora of Tropical East Africa
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GrassBase - The Online World Grass Flora
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Herbarium Catalogue Specimens
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Kew Backbone Distributions
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© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
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Kew Science Photographs
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Plants and People Africa
Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
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