Asteraceae
Tagetes

Tagetes minuta L.

First published in Sp. Pl.: 887 (1753)
This species is accepted
The native range of this species is Brazil to S. South America. It is an annual and grows primarily in the subtropical biome. It is used as a poison and a medicine, has environmental uses and for food.

Descriptions

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

Morphology General Habit
Annual herb, 10–250 cm high; whole plant aromatic; stems much branched in larger plants, almost woody in larger plants, ribbed, glabrous, glandular.
Morphology Leaves
Leaves mostly opposite but often alternate in upper part of plant, dark green, pinnatisect, elliptic in outline, 3–30 cm long, 0.7–8 cm wide, the rachis thinly winged, lobes up to 17, linear-oblong, to 11 cm long and 1 cm wide, with orange glands.
Morphology Reproductive morphology Inflorescences Capitulum
Capitula many in dense terminal corymbs, narrowly cylindric; involucre 8–12 mm long; phyllaries 3–4, yellow-green, fused, glabrous, with brown or orange linear glands.
Morphology Reproductive morphology Flowers Florets
Ray florets 2–3, pale yellow to cream, the ray 2–3.5 mm long; disc florets 4–7, yellow to dark yellow, 4–5 mm long.
Morphology Reproductive morphology Fruits
Achenes black, narrowly ellipsoid, 6–7 mm long, pilose; pappus of 1–2 setae to 3 mm long and 3–4 scales to 1 mm long, these with ciliate apex.
Figures
Fig. 150 (page 726).
Habitat
Weed of cultivation and post-cultivation, in ruderal sites; may occur in dense patches; (850–)1300–2750 m
Distribution
K1 K2 K3 K4 K5 K6 K7 T1 T2 T3 T5 T7 T8 U1 originally from South America but now a widespread weed in Africa, S Europe, S Asia and Australia
[FTEA]

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
ruda gallinaza
[UNAL]

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. 2455 - 2455 m.; Andes.
Morphology General Habit
Hierba
Conservation
No Evaluada
[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]

Distribution
Biogeografic region: Andean. Elevation range: 2455–2455 m a.s.l. Naturalised in Colombia. Colombian departments: Caldas, Nariño.
Habit
Herb.
Ecology
Habitat according IUCN Habitats Classification: forest and woodland, shrubland, artificial - terrestrial.
[UPFC]

M. Thulin. Flora of Somalia, Vol. 1–4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Cosmopolitan weed. Annual herb 20–180 cm high; stems much branched, becoming woody near base, glabrous
Morphology Leaves
Leaves imparipinnate, 4–14 cm long, 2–10 cm wide, with 7–17 lanceolate serrate leaflets, with sunken glands near margins
Morphology Reproductive morphology Inflorescences Capitulum
Capitula many in dense compound cymes, the individual heads on stalks to 5 mm long; involucre narrowly cylindrical, 7–12 mm long, with sunken glands
Morphology Reproductive morphology Flowers Florets
Ray florets yellow, 2–3, the ray 1–2 mm long; disk florets 3–5, 3.5–4 mm long
Morphology Reproductive morphology Fruits
Achenes black, 5–7 mm long, minutely pilose; pappus of small scales to 1 mm and a few longer ones to 3 mm long.
[FSOM]

Uses

Use Environmental
Environmental uses.
Use Food
Used for food.
Use Materials
Used as material.
Use Medicines
Medical uses.
Use Poisons
Poisons.
[UPFC]

Common Names

English
Khaki Bush, Mexican Marigold, Stinking Roger

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 Somalia

    • Flora of Somalia
    • 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

  • 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

  • Plants and People Africa

    • Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
    • © Plants and People Africa http://www.plantsandpeopleafrica.com 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

  • 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