Asteraceae
Senecio

Senecio margaritae C.Jeffrey

First published in Kew Bull. 41: 898 (1986)
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
Succulent shrub 90–150 cm high, with straggly branches; stems glabrous, with pungent smell when cut.
Morphology Leaves
Leaves sessile, succulent, subcylindrical, grooved above, 5–11.5 cm long, 0.2–0.6 cm wide, entire, apiculate, glabrous.
Morphology Reproductive morphology Inflorescences Capitulum
Capitula radiate, very numerous in copious long-stalked compound terminal corymbs; involucre cylindrical, 10–12 mm long, 3–5 mm in diameter; bracts of calyculus 2–5, lax, lanceolate, 2–4 mm long; phyllaries 5–8, 6.5–12 mm long.
Morphology Reproductive morphology Flowers Florets
Ray florets 5, bright yellow, tube 6.6–9.5 mm long, glabrous; rays 1.7–3.5 mm long, rather irregularly lobed; disc florets yellow, corolla 8.3–11.5 mm long, expanded in upper two-thirds, glabrous, lobes 1 mm long.
Morphology Reproductive morphology Fruits
Achenes 4 mm long, glabrous or sparsely shortly hairy; pappus 7.5–9 mm long.
Habitat
Not mentioned; possibly rocky bushland; 1800–1950 m
Distribution
K3 not known elsewhere
[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