Poaceae
Eragrostis

Eragrostis mokensis Pilg.

First published in Bot. Jahrb. Syst. 51: 419 (1914)
This species is accepted
The native range of this species is Nigeria to W. Central Tropical Africa. It is an annual and grows primarily in the wet tropical biome. It is used as animal food.

Descriptions

Morphology General Habit
Annual. Culms decumbent, or prostrate; 8-30 cm long. Ligule a fringe of hairs. Leaf-blades ascending; 1-8 cm long; 1-4 mm wide.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; elliptic, or ovate; 5-12 cm long; 3-7 cm wide. Primary panicle branches spreading. Panicle branches stiff. Spikelets solitary. Fertile spikelets pedicelled. Pedicels oblong; 1-2 mm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 3-20 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 3-5.5 mm long; 2-2.5 mm wide; breaking up at maturity; rhachilla persistent; shedding paleas.
Fertile
Spikelets comprising 3-20 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 3-5.5 mm long; 2-2.5 mm wide; breaking up at maturity; rhachilla persistent; shedding paleas.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes deciduous; similar; shorter than spikelet. Lower glume ovate; 1 mm long; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scaberulous. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 1 mm long; 0.6-0.8 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume primary vein scaberulous. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblate; globose; 1.2-1.5 mm long; cartilaginous; dark green; shiny; keeled; 3 -veined. Lemma lateral veins obscure. Lemma apex obtuse. Palea orbicular. Palea keels winged; narrowly winged; scaberulous. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Anthers 2; 0.2 mm long.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; ellipsoid; 0.5 mm long.
Distribution
Africa: west tropical and west-central tropical. South America: northern South America and Brazil.
Reference
Eragrostideae. FWTA.
[GB]

Distribution
Biogeografic region: Andean. Elevation range: 1500–2000 m a.s.l. Naturalised in Colombia. Colombian departments: Cauca.
Habit
Herb.
[UPFC]

Gramineae, W. D. Clayton. Flora of West Tropical Africa 3:2. 1972

Morphology General Habit
Slender annual up to 30 cm. high, much branched from the base.
[FWTA]

Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

Distribution
Naturalizada y adventicia en Colombia; Alt. 1500 - 2000 m.; Andes.
Morphology General Habit
Hierba
Conservation
No Evaluada
[CPLC]

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: not threatened. Confidence: low confidence
[AERP]

Uses

Use Animal Food
Used as animal food.
[UPFC]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Catálogo de Plantas y Líquenes de Colombia

    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Flora of West Tropical Africa

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

  • GrassBase - The Online World Grass Flora

    • Clayton, W.D., Vorontsova, M.S., Harman, K.T. and Williamson, H. (2006 onwards). 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 Vascular Plants 2026. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2026. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Useful Plants and Fungi of Colombia

    • http://creativecommons.org/licenses/by-nc-sa/3.0