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  1. Family: Asteraceae Bercht. & J.Presl
    1. Genus: Senecio L.
      1. Senecio subsessilis Oliv. & Hiern

        This species is accepted, and its native range is South Sudan to E. Central & E. Tropical Africa.


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

    Perennial herb, woody herb or weakly woody shrub 45–300 cm high; stems densely to thinly arachnoid or sparsely pubescent to glabrescent; roots thick.
    Basal leaves petiolate, upper leaves sessile, leaves lanceolate, ovate, ovate-triangular to broadly elliptic, 11–50 cm long, 3–13 cm wide or up to 27 cm wide in basal leaves, base cordate, subtruncate, rounded or cuneate, shortly decurrent onto the petiole, margins sinuate-dentate to coarsely bidentate, apex obtuse or rounded and minutely apiculate, subacute or acuminate; petiole unwinged, exauriculate at the base in basal leaves, broadly auriculate and semi-amplexicaul to exauriculate in stem leaves, 11–67 cm long; all leaves coriaceous to chartaceous, thinly arachnoid or floccose-tomentose and glabrescent above, tomentose or arachnoid or pubescent beneath.
    Capitula radiate, erect, usually numerous in a copious congested to lax sometimes divaricately-branched terminal corymbiform cyme; stalks of the individual capitula arachnoid-tomentose or shortly pubescent; involucre cylindrical, 6–11 mm long, 3–7 mm in diameter, arachnoid or woolly at least at base or glabrescent; bracts of calyculus (2–)6–12, lanceolate or linear-lanceolate, 1.5–10 mm long, thinly arachnoid to glabrous and sometimes bearded at the apex; phyllaries 8–20, green, 5.5–10 mm long, thinly arachnoid or pubescent to glabrous, bearded and shortly tapered or sometimes slightly expanded at the apex.
    Ray florets pale to bright yellow, 5–8(–12), corolla tube glabrous or sometimes shortly glandular-hairy or with a few long straight multicellular eglandular hairs in lower part, 4.2–5 mm long, rays 6–18 mm long, 2–5 mm wide, 4–10-veined; disc florets yellow, corolla 6.5–9 mm long, tube gradually expanded above the middle or from just below the middle, glabrous or sometimes with long multicellular hairs near the base, lobes 1–1.5 mm long.
    Achenes 2–5 mm long, glabrous; pappus 5–9 mm long, white.
    Fig. 131 (page 628).
    Montane bushland, giant heath, Hagenia woodland/forest, bamboo, often in clearings and possibly a pioneer there; 1800–3600 m
    K3 K4 K5 K6 T2 T3 T6 T7 U1 U2 U3



    Native to:

    Burundi, Kenya, Rwanda, Sudan, Tanzania, Uganda, Zaïre


    Other Data

    Senecio subsessilis Oliv. & Hiern appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Schimper [1532] K000311442
    Schimper [1532] K000311441
    Volkens, G. [824], Tanzania K000311410


    First published in Fl. Trop. Afr. 3: 415 (1877)

    Accepted by

    • Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.


    Flora of Tropical East Africa

    • Agnew, A.D.Q. & Agnew, S., Upland Kenya Wild Flowers, ed. 2: 222 (1994).
    • Lisowski, Aster. Fl. Afr. Centr. 2: 271, t. 58 (1991).
    • C. Jeffrey in Kew Bulletin 41: 892 (1986).
    • Maquet in Fl. Rwanda 3: 664, fig. 205/2 (1985).
    • O. Hedberg, Afroalpine Vascular Plants p. 242 (1957).
    • Oliv. & Hiern, Flora of Tropical Africa 3: 415 (1877).


    Flora of Tropical East Africa
    Flora of Tropical East Africa

    Herbarium Catalogue Specimens
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    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at and
    © Copyright 2017 World Checklist of Selected Plant Families.

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at and
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families.