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This species is accepted, and its native range is Mexico.
A specimen from Kew's Herbarium

[GB]
Morphology General Habit
Perennial. Culms erect; 100-200 cm long. Culm-internodes distally glabrous. Culm-nodes glabrous, or pubescent. Lateral branches sparse. Leaf-sheaths smooth, or scaberulous; glabrous on surface. Ligule a fringe of hairs; 1.5-2 mm long. Leaf-blades 30-60 cm long; 5-15 mm wide; glaucous. Leaf-blade surface scabrous; glabrous, or pubescent. Leaf-blade apex attenuate; filiform.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle; terminal and axillary. Peduncle scaberulous above. Panicle spiciform; linear; 3-10 cm long; 1 cm wide. Primary panicle branches accrescent to a central axis; with sessile scars on axis. Panicle axis angular; scabrous; with scattered hairs; bearing deciduous spikelet clusters. Spikelets subtended by an involucre. Fertile spikelets sessile; 1 in the cluster. Involucre composed of bristles; 4-6 mm long; base truncate. Involucral bristles deciduous with the fertile spikelets; numerous; with longest bristle scarcely emergent; terete; flexible; antrorsely scaberulous; glabrous.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 6-7 mm long; falling entire; deciduous with accessory branch structures.
Fertile
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 6-7 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; 0.25 length of spikelet; membranous; without keels; 0 -veined. Lower glume lateral veins absent. Lower glume margins ciliate. Lower glume apex obtuse. Upper glume ovate; 0.5 length of spikelet; membranous; without keels; 3-5 -veined. Upper glume surface smooth, or asperulous. Upper glume margins ciliolate. Upper glume apex obtuse.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets male, or barren; with palea. Lemma of lower sterile floret oblong; 1 length of spikelet; membranous; 5 -veined; concave across back; scaberulous; acuminate. Fertile lemma lanceolate; 6-7 mm long; coriaceous; without keel. Lemma surface asperulous. Lemma margins flat. Lemma apex acuminate. Palea 1 length of lemma; coriaceous.
Morphology Reproductive morphology Flowers
Lodicules absent. Anthers 3.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp.
Distribution
North America: Mexico.
Reference
Paniceae. N Amer Fl 1994.

Native to:

Mexico Central, Mexico Northeast, Mexico Southwest

Cenchrus durus (Beal) Morrone appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Pringle, C.G. [817], Chihuahua Pennisetum durum K000643109

First published in Ann. Bot. (Oxford) 106: 128 (2010)

Accepted by

  • Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. https://doi.org/10.1038/s41597-021-00997-6 Scientific Data 8: 215.

Literature

Kew Backbone Distributions

  • 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.

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