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

[GB]
Morphology General Habit
Perennial; caespitose. Culms 100-200 cm long. Lateral branches lacking. Ligule a fringe of hairs; 1.5-2 mm long. Leaf-blades involute; 10-20 cm long; 3-4 mm wide. Leaf-blade surface scabrous; rough adaxially.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle; embraced at base by subtending leaf. Panicle spiciform; linear; 4-6 cm long. Primary panicle branches accrescent to a central axis; with lateral stumps on axis. Panicle axis angular; puberulous; bearing deciduous spikelet clusters. Spikelets subtended by an involucre. Fertile spikelets sessile; 1 in the cluster. Involucre composed of bristles; 2-2.5 mm long; base truncate. Involucral bristles deciduous with the fertile spikelets; 3-4 in principal whorl; 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; 2.5 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; 2.5 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; 0.2-0.25 length of spikelet; membranous; without keels; 0 -veined. Lower glume lateral veins absent. Lower glume apex obtuse, or acute. Upper glume ovate; 0.33-0.5 length of spikelet; membranous; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex obtuse, or acute.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets barren; without significant palea. Lemma of lower sterile floret oblong; 1 length of spikelet; membranous; 5 -veined; scaberulous; rough above; acute. Fertile lemma lanceolate; 2.5 mm long; chartaceous; without keel. Lemma margins flat. Lemma apex acute. Palea 1 length of lemma; chartaceous.
Morphology Reproductive morphology Flowers
Lodicules absent. Anthers 3.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp.
Distribution
South America: western South America.
Reference
Paniceae. Turpe 1994.

Native to:

Ecuador, Galápagos

Cenchrus pauper (Steud.) Morrone appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 1982 s.coll. [s.n.], Galápagos Pennisetum pauperum K000643098 isotype
Jan 1, 1982 s.coll. [s.n.], Galápagos Pennisetum pauperum K000643096
Jan 1, 1982 Andersson [[30]], Galápagos Pennisetum pauperum K000643097
Jan 1, 1982 s.coll. [s.n.], Galápagos Pennisetum pauperum K000643095

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

  • 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.

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