Poaceae
Lasiacis

Lasiacis maculata (Aubl.) Urb.

First published in Symb. Antill. 8: 751 (1921)
This species is accepted
The native range of this species is S. Mexico to S. Tropical America. It is a perennial and grows primarily in the wet tropical biome. It is used as a medicine.

Descriptions

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
carrizo, cola de caballo
[UNAL]

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. Culms scandent; 100-1000 cm long (long); 4-10 mm diam.; woody. Culm-internodes thin-walled. Culm-nodes glabrous. Ligule a ciliolate membrane; 0.5-1 mm long. Leaf-blades linear, or lanceolate; 6-23 cm long; 6-46 mm wide. Leaf-blade surface pubescent.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; ovate; 5-35 cm long. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic, or obovate; tilted on the pedicel; dorsally compressed; 3-4.3 mm long; falling entire.
Fertile
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic, or obovate; tilted on the pedicel; dorsally compressed; 3-4.3 mm long; falling entire.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes dissimilar; reaching apex of florets; thinner than fertile lemma; shiny. Lower glume oblate; 1.2-2.7 mm long; 0.4-0.6 length of spikelet; membranous; black; without keels; 7-11 -veined. Lower glume surface woolly; hairy at apex. Lower glume apex obtuse. Upper glume ovate; 1 length of adjacent fertile lemma; membranous; black; without keels; 9-13 -veined. Upper glume surface woolly; hairy at apex. Upper glume apex obtuse.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets male, or barren; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 9-11 -veined; woolly; hairy at apex; obtuse. Fertile lemma ovate; dorsally compressed; 3-4.3 mm long; indurate; dark brown; shiny; without keel. Lemma margins involute. Lemma apex obtuse; with a shallow excavation and woolly. Palea indurate. Palea apex pubescent.
Distribution
North America: Mexico. South America: Mesoamericana, Caribbean, northern South America, western South America, Brazil, and southern South America.
Reference
Paniceae. Pohl.
[GB]

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, Bolívar, Boyacá, Caquetá, Cauca, Chocó, Cundinamarca, Guaviare, Huila, La Guajira, Magdalena, Meta, Nariño, Norte de Santander, Quindío, Risaralda, San Andrés y Providencia, Tolima, Valle del Cauca, Vichada.
Habit
Herb.
Conservation
National Red List of Colombia (2021): Potential LC.
Ecology
Habitat according IUCN Habitats Classification: forest and woodland, savanna, shrubland, native grassland, artificial - terrestrial.
[UPFC]

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, Islas Caribeñas, Llanura del Caribe, Orinoquia, Pacífico, Sierra Nevada de Santa Marta, Valle del Cauca, Valle del Magdalena.
Morphology General Habit
Hierba
Conservation
Preocupación Menor
[CPLC]

Uses

Use Medicines
Medical uses.
[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

    • 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

  • 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