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

[GB]
Morphology General Habit
Annual. Culms erect; 20-40 cm long. Ligule a ciliolate membrane. Leaf-blades 4-9 cm long; 2-2.5 mm wide. Leaf-blade surface pilose. Leaf-blade apex attenuate.
Morphology Reproductive morphology Inflorescences
Inflorescence composed of racemes. Racemes 4-5; digitate; unilateral; 4-5 cm long. Spikelet packing broadside to rhachis. Spikelets solitary. Fertile spikelets sessile.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; 3 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; bearded; acute.
Fertile
Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; 3 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; bearded; acute.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma; gaping. Lower glume lanceolate; 2.5-3 mm long; 0.7-1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 3 mm long; 1.2 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma ovate; laterally compressed; ovate in profile; 2.5 mm long; cartilaginous; pallid; keeled; 3 -veined. Lemma midvein ciliate. Lemma lateral veins close to margins. Lemma margins ciliate. Lemma apex awned; 1 -awned. Principal lemma awn subapical; 9.5-10 mm long overall. Apical sterile florets 2 in number; barren; in a clump; cuneate. Apical sterile lemmas glabrous; awned; 1 -awned. Apical sterile lemma awns subapical; 10 mm long; 2 per spikelet in number.
Morphology Reproductive morphology Flowers
Lodicules 2; cuneate; fleshy. Anthers 3. Stigmas 2.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; trigonous. Hilum punctiform.
Distribution
Africa: east tropical.
Reference
Cynodonteae. FTEA.

[FTEA]

Gramineae, W. D. Clayton, S. M. Phillips & S. A. Renvoize. Flora of Tropical East Africa. 1974

Morphology General Habit
Delicate annual; culms up to 40 cm. high, erect.
Morphology Leaves
Leaf-blades pilose, flat, narrow, 4–9 cm. long, 2–2.5 mm. wide, keeled, tapering at the apex.
Morphology Reproductive morphology Inflorescences
Inflorescence of 4–5 digitate purplish spikes 4–5 cm. long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 3-flowered, 3-awned, the awns curved outwards; glumes lanceolate, acuminate, membranous; lower glume 2.5–3 mm. long; upper glume 3–3.2 mm. long; lowest lemma ovate-elliptic in side view, 2.5 mm. long, pallid, appressed ciliate on the lateral nerves and keel, the awn 9.5–10 mm. long; callus pointed; 2nd and 3rd lemmas reduced to glabrous clavate appendages bearing awns 10 mm. long.
Habitat
Wooded grassland; 810 m.
Distribution
T7 not known elsewhere

Native to:

Tanzania

Chloris ruahensis Renvoize appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Bjornstad, A. [AB 1310], Tanzania K000257108 holotype

First published in Kew Bull. 28: 195 (1973)

Accepted by

  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Clayton, W.D., Phillips, S.M., Renvoize, S.A. (1974). Gramineae Flora of Tropical East Africa 2: 177-449.

Literature

Kew Backbone Distributions

  • Clayton, W.D., Phillips, S.M., Renvoize, S.A. (1974). Gramineae Flora of Tropical East Africa 2: 177-449.

Flora of Tropical East Africa

  • Renv. in Kew Bulletin 28: 195 (1973).

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

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