Poaceae
Agrostis

Agrostis gigantea Roth

First published in Tent. Fl. Germ. 1: 31 (1788)
This species is accepted
The native range of this species is Temp. Eurasia to NW. Africa. It is a perennial and grows primarily in the temperate biome. It is used as animal food and a poison and has environmental uses.

Descriptions

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
Cultivada en Colombia.
Morphology General Habit
Hierba
[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: confident
[AERP]

Morphology General Habit
Perennial; caespitose. Rhizomes elongated. Culms geniculately ascending, or decumbent; 40-120 cm long; 3-6 -noded; rooting from lower nodes. Culm-internodes smooth. Leaf-sheaths without keel; smooth, or scaberulous. Ligule an eciliate membrane; 1.5-6 mm long; truncate. Leaf-blades 5-20 cm long; 2-8 mm wide. Leaf-blade surface ribbed; scaberulous. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; oblong to ovate; effuse; 8-25 cm long; 3-15 cm wide. Primary panicle branches whorled at most nodes. Panicle branches scabrous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; terete; 0.5-3 mm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate, or oblong; laterally compressed; 2-3 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent.
Fertile
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate, or oblong; laterally compressed; 2-3 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; exceeding apex of florets; firmer than fertile lemma; shiny; gaping. Lower glume lanceolate; 1-1.1 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 lanceolate; 1.3-1.5 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume primary vein scaberulous. Upper glume lateral veins absent. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblong; 1.3-2.3 mm long; hyaline; without keel; 3-5 -veined. Lemma apex truncate. Palea oblong; 0.5-0.7 length of lemma; hyaline; 2 -veined. Palea apex obtuse.
Morphology Reproductive morphology Flowers
Lodicules 2; lanceolate; membranous. Anthers 3; 1-1.5 mm long. Stigmas 2; laterally exserted.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; ellipsoid; isodiametric; biconvex; estipitate; without sulcus; smooth; apex unappendaged. Embryo 0.2 length of caryopsis. Hilum linear; 0.9 length of caryopsis. Endosperm farinose.
Distribution
Europe: northern, central, southwestern, southeastern, and eastern. Africa: south. Asia-temperate: Siberia, Soviet far east, Soviet Middle Asia, Caucasus, western Asia, China, Mongolia, and eastern Asia. Asia-tropical: India, Indo-China, and Malesia. Australasia: Australia and New Zealand. North America: Subarctic, western Canada, and eastern Canada. South America: Mesoamericana, western South America, Brazil, and southern South America. Antarctic: Subantarctic islands.
Reference
Aveneae. CEH.
[GB]

Distribution
Cultivated in Colombia. Naturalised in Colombia.
Habit
Herb.
[UPFC]

Uses

Use Animal Food
Used as animal food.
Use Environmental
Environmental uses.
Use Poisons
Poisons.
[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

  • 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

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • 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 2025. 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 2025. 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

  • Kew Science Photographs

    • Copyright applied to individual images

  • Useful Plants and Fungi of Colombia

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