Asteraceae
Bidens

Bidens nobilioides Sherff

First published in Bot. Leafl. 7: 20 (1952)
This species is accepted
The native range of this species is Kenya.

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: threatened. Confidence: confident
[AERP]

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

Morphology General Habit
Annual or ?perennial herb 0.9–1.2 m high; stem branched in upper part, red-brown, sparsely hairy.
Morphology Leaves
Leaves deltoid in outline, bipinnatisect, 3–10 cm long, 2–4 cm wide, segments linear-lanceolate, 1–3 mm wide, margins revolute with ± 2 rows of hairs or glabrous, densely gland-dotted; petiole to 5 mm long, winged.
Morphology Reproductive morphology Inflorescences Capitulum
Capitula terminal in lax cymes; peduncle to 6.5 cm long; involucre 5–9 mm long; outer phyllaries 8–10, sparsely hairy or glabrous, inner phyllaries 8–9, orange with yellow-green margins, pilose; paleae 5 mm long, striate.
Morphology Reproductive morphology Flowers Florets
Ray florets yellow or orange-yellow, neuter, 8, rays 9–15x4–6 mm; disc florets yellow, 3–3.5 mm long.
Morphology Reproductive morphology Fruits
Achenes black, obovoid, 2–4.2 mm long, glabrous or pubescent, margins narrowly winged; pappus absent or with 2 antrorsely barbed aristae 1.5–2.5 mm long.
Habitat
orest margins or clearing; (?1200–)1950–2400 m
Distribution
endemic to Mt Marsabit, Mt Kulal, Ndoto Range and Mathews Range K1
[FTEA]

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