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This species is accepted, and its native range is E. U.S.A., Caribbean, E. & S. Brazil.
A specimen from Kew's Herbarium

[GB]
Morphology General Habit
Annual. Culms 10-70 cm long. Leaf-sheaths outer margin hairy. Leaf-sheath oral hairs ciliate. Ligule a fringe of hairs; 1-2.1 mm long. Leaf-blades 2-14 cm long; 3-14 mm wide. Leaf-blade surface glabrous. Leaf-blade apex attenuate.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle spiciform; linear; dense, or loose (internodes 3-10mm); 2-8.2 cm long; 1.5-3 cm wide. Primary panicle branches accrescent to a central axis; with sessile scars on axis. Panicle axis angular; smooth, or scaberulous; bearing deciduous spikelet clusters. Spikelets subtended by an involucre. Fertile spikelets sessile; 1 in the cluster. Involucre composed of bristles; connate into a cup below; ovate; 9-16 mm long; base obconical; base glabrous. Involucral bristles deciduous with the fertile spikelets; numerous; emerging irregularly from body of a burr; 15-44 in principal whorl; 4-8 mm long; flattened; rigid; retrorsely scaberulous; ciliate; spinose.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; acuminate; 6-8.8 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; acuminate; 6-8.8 mm long; falling entire; deciduous with accessory branch structures.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 1-4 mm long; 0.2-0.5 length of spikelet; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 4.9-6.8 mm long; 0.75 length of spikelet; membranous; without keels; 3-7 -veined. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets barren; with palea. Lemma of lower sterile floret ovate; 5.5-7.5 mm long; 0.8-0.9 length of spikelet; membranous; 3-7 -veined; acute. Fertile lemma ovate; 6-8.7 mm long; coriaceous; much thinner on margins; without keel; 3 -veined. Lemma margins flat. Lemma apex obtuse. Palea coriaceous.
Morphology Reproductive morphology Flowers
Anthers 0.8-2.8 mm long.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp.
Distribution
Pacific: southwestern and north-central. North America: northeast USA and southeast . South America: Caribbean and Brazil.
Reference
Paniceae. De Lisle.

Native to:

Alabama, Bahamas, Bermuda, Brazil Northeast, Brazil South, Brazil Southeast, Cayman Is., Cuba, Delaware, Dominican Republic, Florida, Georgia, Haiti, Jamaica, Leeward Is., Louisiana, Maine, Maryland, Massachusetts, Mississippi, New Jersey, New York, North Carolina, Pennsylvania, Puerto Rico, South Carolina, Southwest Caribbean, Turks-Caicos Is., Vermont, Virginia

Introduced into:

Greece, Hawaii, Tonga

Cenchrus tribuloides L. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Burchell [1475], Brazil K001106083
Clayton, W.D. [4762], Brazil K001106080
Klein, R.M. [10240], Brazil K001106082
Kummrow, R. [300], Brazil K001106079
Burchell [1475], Brazil K001106081

First published in Sp. Pl.: 1050 (1753)

Accepted by

  • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
  • Cirilo, N. & Proctor, G.R. (1994). Vascular plants of the Caribbean Swan islands of Honduras Brenesia 41-42: 73-80.
  • Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.
  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
  • Gutiérrez, H.F. & Morrone, O. (2012). Novedades nomenclaturales en Cenchrus s.l. (Poaceae: Panicoideae: Paniceae) Boletín de la Sociedad Argentina de Botánica 47: 263-269.
  • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
  • Vladimirov, V. & Kit Tan (2016). New floristic records in the Balkans: 31 Phytologia Balcanica 22: 429-467.
  • 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

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.
  • Cirilo, N. & Proctor, G.R. (1994). Vascular plants of the Caribbean Swan islands of Honduras Brenesia 41-42: 73-80.
  • Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.
  • Correll, D.S. & Correll, H.B. (1982). Flora of the Bahama Archipelago: 1-1692. J.Cramer, Vaduz.
  • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
  • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
  • Vladimirov, V. & Kit Tan (2016). New floristic records in the Balkans: 31 Phytologia Balcanica 22: 429-467.

GrassBase - The Online World Grass Flora
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

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