Asteraceae
Bidens

Bidens oligoflora (Klatt) Wild

First published in Kirkia 6: 20 (1967)
This species is accepted
The native range of this species is Cameroon to Tanzania and S. Tropical Africa. It is an annual and grows primarily in the seasonally dry tropical biome.

Descriptions

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

Morphology General Habit
Annual herb to 1 m high; stem erect, pilose to glabrous.
Morphology Leaves
Leaves pinnatipartite or bi-pinnatipartite, 3–20 cm long, 2–6 cm wide, segments ovate to linear (narrower in upper leaves), sparsely pilose on both surfaces; petiole to 7 cm long.
Morphology Reproductive morphology Inflorescences Capitulum
Capitula terminal, in lax corymbose cymes; peduncle to 13 cm long; involucre 8–10 mm long; outer phyllaries 8–10, pilose, inner phyllaries brown, ± 8, with yellow margins, pilose; paleae 8–10 mm long, glabrous.
Morphology Reproductive morphology Flowers Florets
Ray florets golden yellow to orange, neuter, 8, rays 10–30x2–12 mm; disc florets yellow.
Morphology Reproductive morphology Fruits
Achenes black or dark brown, broadly obovoid or orbicular, 6–8 mm long, scabrid; aristae 2, to 2 mm long, antrorsely barbed, rarely absent.
Habitat
ushed grassland; ± 1828 m
Distribution
T4
[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]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • 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 2025. 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 2025. 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