Poaceae
Homolepis

Homolepis aturensis (Kunth) Chase

First published in Proc. Biol. Soc. Washington 24: 146 (1911)
This species is accepted
The native range of this species is Mexico to S. Tropical America and Trinidad. It is a perennial and grows primarily in the seasonally dry tropical biome.

Descriptions

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]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/44393404/44445462

Conservation
LC - least concern
[IUCN]

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. 0 - 2000 m.; Amazonia, Andes, Guayana y Serranía de La Macarena, Llanura del Caribe, Orinoquia, Pacífico, Sierra Nevada de Santa Marta, Valle del Cauca, Valle del Magdalena.
Morphology General Habit
Hierba
Conservation
No Evaluada
[CPLC]

Bernal, R., G. Galeano, A. Rodríguez, H. Sarmiento y M. Gutiérrez. 2017. Nombres Comunes de las Plantas de Colombia. http://www.biovirtual.unal.edu.co/nombrescomunes/

Vernacular
grama, grama amarga, grama colorada, hierba amarga, paja amarga, paja comino, paja de cominos, pasto comino
[UNAL]

Distribution
Biogeografic region: Amazonia, Andean, Guiana Shield, Caribbean, Orinoquia, Pacific. Elevation range: 0–2000 m a.s.l. Native to Colombia. Colombian departments: Amazonas, Antioquia, Arauca, Boyacá, Caldas, Caquetá, Casanare, Cauca, Cesar, Chocó, Córdoba, Cundinamarca, Guainía, Guaviare, Huila, La Guajira, Magdalena, Meta, Nariño, Norte de Santander, Putumayo, Quindío, Risaralda, Santander, Tolima, Valle del Cauca, Vaupés, Vichada.
Habit
Herb.
Conservation
IUCN Red List Assessment (2021): LC. National Red List of Colombia (2021): Potential LC.
[UPFC]

Morphology General Habit
Perennial; short-lived. Stolons present. Culms erect, or geniculately ascending; 20-50 cm long; 1-2 mm diam. Ligule a ciliolate membrane; 0.4-0.7 mm long. Leaf-blade base broadly rounded. Leaf-blades linear, or lanceolate; 4-12 cm long; 7-20 mm wide. Leaf-blade surface glabrous, or pubescent.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; elliptic; 6-9 cm long. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 7-8 mm long; falling entire.
Fertile
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 7-8 mm long; falling entire.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes similar; exceeding apex of florets; thinner than fertile lemma. Lower glume ovate; 1 length of upper glume; 1 length of spikelet; membranous; without keels; 7-9 -veined. Lower glume lateral veins ribbed. Lower glume apex acute. Upper glume ovate; membranous; without keels; 7 -veined. Upper glume lateral veins without ribs. Upper glume margins ciliate (near base). Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets barren; with palea. Lemma of lower sterile floret ovate; 5-7 mm long; membranous; 7 -veined; ciliate on margins; acute. Fertile lemma lanceolate; 5-6 mm long; cartilaginous; without keel; 5 -veined. Lemma margins flat. Lemma apex acute. Palea 1 length of lemma; cartilaginous.
Morphology Reproductive morphology Flowers
Anthers 3; 1.3-1.6 mm long.
Distribution
North America: Mexico. South America: Mesoamericana, Caribbean, northern South America, western South America, and Brazil.
Reference
Paniceae. Pohl.
[GB]

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/

  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/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

  • Kew Science Photographs

    • Copyright applied to individual images

  • Universidad Nacional de Colombia

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

  • Useful Plants and Fungi of Colombia

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