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

[GB]
Morphology General Habit
Perennial; mat forming. Stolons present. Basal innovations flabellate. Culms slender; 10-30 cm long. Leaf-sheaths keeled. Ligule a fringe of hairs. Leaf-blades conduplicate; 5-12 cm long; 3-6 mm wide. Leaf-blade apex obtuse.
Morphology Reproductive morphology Inflorescences
Inflorescence composed of racemes. Racemes 12-16; borne along a central axis; in a unilateral false spike; appressed; unilateral; 0.6-1.5 cm long; bearing few fertile spikelets; bearing 2-4 fertile spikelets on each. Central inflorescence axis 15-25 cm long; flattened; tough; tip with blunt extension. Rhachis angular; terminating in a barren extension; extension subulate. Spikelet packing abaxial. Spikelets appressed; solitary. Fertile spikelets sessile.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; acuminate; 5 mm long; falling entire. Spikelet callus pubescent.
Fertile
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; acuminate; 5 mm long; falling entire. Spikelet callus pubescent.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume oblong; 0.5 mm long; 0.1 length of spikelet; hyaline; without keels; 0 -veined. Lower glume lateral veins absent. Lower glume apex lobed; 2 -fid; obtuse. Upper glume ovate; 1 length of spikelet; membranous; without keels; 7-9 -veined. Upper glume apex acuminate.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets male; with palea. Lemma of lower sterile floret ovate; 1 length of spikelet; membranous; 5-9 -veined; acuminate. Fertile lemma oblong; 5 mm long; coriaceous; without keel; 5 -veined. Lemma margins flat. Lemma apex acuminate. Palea reflexed at apex; coriaceous. Palea apex acuminate.
Distribution
Africa: western Indian ocean.
Reference
Paniceae. Sauer.
Diagnostic
Back of inflorescence axis entire.

Native to:

Madagascar

Stenotaphrum unilaterale Baker appears in other Kew resources:

Date Reference Identified As Barcode Type Status
unknown [1069], Madagascar K000244623 Unknown type material

First published in J. Linn. Soc., Bot. 20: 299 (1883)

Accepted by

  • Bosser, J. (1969). Gramiées des pasturages et des cultures a Madagascar: 1-440. ORSTOM, Paris.
  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.

Literature

Kew Backbone Distributions

  • Bosser, J. (1969). Gramiées des pasturages et des cultures a Madagascar: 1-440. ORSTOM, Paris.

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