Sigesbeckia orientalis L.

First published in Sp. Pl.: 900 (1753)
This species is accepted
The native range of this species is Eritrea to S. Tropical Africa, W. Indian Ocean, Asia to Australia. It is an annual and grows primarily in the temperate biome. It is used as a poison and a medicine and for food.

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
Adventicia en Colombia; Alt. 3000 - 3500 m.; Andes.
Morphology General Habit
Arbusto, arbolito
Conservation
No Evaluada
[CPLC]

Compositae, H. Beentje, C. Jeffrey & D.J.N. Hind. Flora of Tropical East Africa. 2005

Morphology General Habit
Annual herb 20–120 cm high; stems often red or purplish, pilose.
Morphology Leaves
Leaves ovate to triangular-hastate, 5–18 cm long, 3–11 cm wide, base cuneate to truncate, margins irregularly dentate or serrate, apex obtuse or acute, short-pubescent and often slightly scabridulous on both surfaces and glandular beneath; 3-veined from near base; petiole 1–5 cm long, often slightly winged.
Morphology Reproductive morphology Inflorescences Capitulum
Capitula in lax leafy dichotomous panicles; involucre 5–7 mm long, green; outer phyllaries linear-spatulate, 5–15 mm long; inner phyllaries 5 mm long, all with stalked glands; paleae also often glandular.
Morphology Reproductive morphology Flowers Florets
Ray florets usually 5, yellow, ray 1.3–1.5 mm long; disc florets ± 12, yellow, ± 1 mm long, glandular near base.
Morphology Reproductive morphology Fruits
Achenes dark brown or blackish, curved, 3–4 mm long, glandular-pubescent; pappus absent.
Figures
Fig. 169 (page 777).
Habitat
uderal sites, weed of cultivation; 350–1750 m
Distribution
a widespread weed K3 K4 K5 K7 T2 T3 T6 U2 U4
[FTEA]

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., 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
escorzonera, pacunga, pausa, trompetilla
[UNAL]

Distribution
Biogeografic region: Andean. Elevation range: 3000–3500 m a.s.l. Naturalised in Colombia. Colombian departments: Bogotá DC, Cundinamarca.
Habit
Shrub, Small tree.
Vernacular
Escorzonera, Pacunga, Pausa, Trompetilla
[UPFC]

Compositae, C. D. Adams. Flora of West Tropical Africa 2. 1963

Morphology General Habit
An erect branched annual glandular herb about 3 ft. high
Morphology Reproductive morphology Flowers Florets
Minute yellow ray- and disk-florets in heads 1/2 in. across, including the spreading outer involucre
Note
A weed.
[FWTA]

Uses

Use Food
Used for food.
Use Materials
Used as material.
Use Medicines
Medical 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
  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
    • 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
  • Herbarium Catalogue Specimens

    • Digital Image © Board of Trustees, RBG Kew 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
  • World Checklist of Vascular plants (WCVP)

    • 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