Poaceae
Agrostis

Agrostis foliata Hook.f.

First published in Fl. Antarct.: 95 (1845)
This species is accepted
The native range of this species is Colombia to Peru. It is a perennial and grows primarily in the montane tropical biome.

Descriptions

Morphology General Habit
Perennial; caespitose; clumped densely. Culms erect; 15-30 cm long. Lateral branches lacking. Leaves mostly basal. Ligule an eciliate membrane; 5-8 mm long. Leaf-blades 3-7 cm long; 2-5 mm wide; coriaceous. Leaf-blade surface scabrous.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle spiciform; oblong; continuous, or interrupted; 5-10 cm long; 1-1.7 cm wide. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; laterally compressed; 3.2-3.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
Fertile
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; laterally compressed; 3.2-3.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; exceeding apex of florets; firmer than fertile lemma; gaping. Lower glume lanceolate; 3.2-3.5 mm long; membranous; purple, or black; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume surface smooth, or asperulous. Lower glume apex acuminate. Upper glume oblong; 3.2-3.5 mm long; membranous; purple, or black; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume surface smooth, or asperulous. Upper glume apex acuminate.
Morphology Reproductive morphology Flowers Florets
Fertile lemma ovate; 2 mm long; membranous; without keel. Lemma apex truncate; awned; 1 -awned. Principal lemma awn dorsal; arising 0.33 way up back of lemma; geniculate; 2-2.5 mm long overall; with twisted column. Palea absent or minute.
Morphology Reproductive morphology Flowers
Lodicules 2; membranous. Anthers 3.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp. Hilum linear.
Distribution
South America: western South America.
Reference
Aveneae. Gr Peru 1997.
[GB]

Distribution
Biogeografic region: Andean. Elevation range: 2500–5000 m a.s.l. Native to Colombia. Colombian departments: Antioquia, Bogotá DC, Boyacá, Caldas, Cauca, Cundinamarca, Magdalena, Meta, Nariño, Quindío, Risaralda, Tolima.
Habit
Herb.
[UPFC]

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]

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
Nativa en Colombia; Alt. 2500 - 5000 m.; Andes, Sierra Nevada de Santa Marta.
Morphology General Habit
Hierba
Conservation
No Evaluada
[CPLC]

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

    • 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 2024. 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 2024. 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