- Family: Poaceae Barnhart
- Genus: Cenchrus L.
Cenchrus nervosus (Nees) Kuntze
- Genus: Cenchrus L.
This species is accepted, and its native range is S. Tropical America.
[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
- Nativa en Colombia; Alt. 0 - 500 m.; Orinoquia.
- Habit
- Hierba
- Conservation
- No Evaluada
[GB]
- Habit
- Perennial. Rootstock evident. Culms 100-300 cm long. Lateral branches ample. Ligule a ciliate membrane. Leaf-blades 20-50 cm long; 6-10 mm wide. Leaf-blade surface scabrous.
- Inflorescences
- Inflorescence a panicle. Panicle spiciform; linear; flexuous; 10-20 cm long; 1.2-1.8 cm wide. Primary panicle branches accrescent to a central axis; with sessile scars on axis. Panicle axis with rounded ribs; puberulous; bearing deciduous spikelet clusters. Spikelets subtended by an involucre. Fertile spikelets sessile; 1 in the cluster. Involucre composed of bristles; 10 mm long; base truncate. Involucral bristles deciduous with the fertile spikelets; numerous; with longest bristle scarcely emergent; 10 mm long; terete; flexible; glabrous.
- Spikelets
- Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 5-6 mm long; falling entire; deciduous with accessory branch structures.
- Fertile
- Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 5-6 mm long; falling entire; deciduous with accessory branch structures.
- Glume
- Glumes reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 2.2-3 mm long; 0.5 length of spikelet; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 1 length of spikelet; membranous; without keels; 7 -veined. Upper glume apex acute.
- Florets
- Basal sterile florets barren; without significant palea. Lemma of lower sterile floret ovate; 1 length of spikelet; membranous; 7 -veined; acute. Fertile lemma ovate; 5-6 mm long; chartaceous; without keel; 5 -veined. Lemma margins flat. Lemma apex acute. Palea 1 length of lemma; membranous.
- Flowers
- Lodicules absent. Anthers 3.
- Fruits
- Caryopsis with adherent pericarp.
- Distribution
- North America: south-central USA and Mexico. South America: Mesoamericana, western South America, Brazil, and southern South America.
- Reference
- Paniceae. Gr Texas 1994.
Native to:
Argentina Northeast, Argentina Northwest, Bolivia, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Colombia, Ecuador, Paraguay, Peru, Uruguay, Venezuela
Introduced into:
Belize, California, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Southeast, Mexico Southwest, Nicaragua, Texas
Cenchrus nervosus (Nees) Kuntze appears in other Kew resources:
| Date | Reference | Identified As | Barcode | Type Status |
|---|---|---|---|---|
| Jan 1, 1982 | Buysman [138] | Pennisetum nervosum | K001106054 | |
| Lindeman, J.C. [1772], Brazil | Pennisetum nervosum | K001106052 | ||
| Martius [2341], Bahia | Pennisetum nervosum | K000004831 | Unknown type material | |
| Oldenburger, F.H.F. [1618], Brazil | Pennisetum nervosum | K001106051 | ||
| Riedel [398], Brazil | Pennisetum nervosum | K001106053 | ||
| Cordeiro, J. [1842], Brazil | Pennisetum nervosum | K001106049 | ||
| Kozera, C. [1837], Brazil | Pennisetum nervosum | K001106050 |
First published in Revis. Gen. Pl. 3(2): 347 (1898)
Not accepted by
- Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Pennisetum nervosum.]
Literature
Kew Backbone Distributions
- Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
- Garcia-Mendoza, A.J. & Meave, J.A. (eds.) (2012). Diversidad florística de Oaxaca: de musgos a angiospermas (colecciones y listas de especies), ed. 2: 1-351. Instituto de Biología, Universidad Nacional Autónoma de México.
- Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
- 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.
- Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
- Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
- Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
- Jørgensen, P.M. & León-Yánez, S. (eds.) (1999). Catalogue of the Vascular Plants of Ecuador Monographs in Systematic Botany from the Missouri Botanical Garden 75: i-viii, 1-1181.
- Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
- Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.
- Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286.
Catálogo de Plantas y Líquenes de Colombia
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GrassBase - The Online World Grass Flora
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Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0
Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0