1. Family: Pedaliaceae R.Br.
    1. Genus: Sesamum L.
      1. Sesamum angustifolium (Oliv.) Engl.

        This species is accepted, and its native range is Nigeria to SW. Ethiopia and S. Tropical Africa.

    [FWTA]

    Pedaliaceae, H. Heine. Flora of West Tropical Africa 2. 1963

    Habit
    A herb up to 6 ft. high
    Flowers
    Pink or mauve flowers about 1 inch long
    Note
    Sometimes cultivated.
    [FZ]

    Pedaliaceae, H. D. Ihlenfeldt. Flora Zambesiaca 8:3. 1988

    Habit
    Erect annual or perennial herb, stem simple or branched, 0.4–2.0 m. high.
    Leaves
    Leaves sessile, subsessile or the inferior ones petiolate, lamina 4–12 x 0.1–2.0 cm., variable in shape, linear to cultrate, margins entire, more or less inrolled, or narrowly lanceolate to lanceolate, irregularly toothed, cuneate at the base, acute or obtuse at the apex, densely glandular on the inferior surface.
    Flowers
    Flowers purple, pink or mauve, often spotted within.
    Corolla
    Corolla 2.5–3.5 cm. long, 1–2 cm. in diam. at the throat.
    Fruits
    Capsule cultrate in lateral view, appressed to the stem (TAB. 23 fig. C), light coloured, parchment-like when mature, glabrescent, 15–25 x 3.5 mm.; beak of the fruit straight or bent towards the stem, up to 5 mm. long (TAB. 23 fig. C).
    Seeds
    Seeds on both faces with transversal ribs, c. 1.3 x 1 mm., black when mature (TAB. 24 fig. C1).
    [FTEA]

    Pedaliaceae, A. Bruce. Flora of Tropical East Africa. 1953

    Habit
    Erect or sometimes spreading, simple or branched herb 30–180 cm. high, stems subquadrangular, sulcate, pubescent to thinly pilose, becoming glabrescent.
    Leaves
    Leaves sessile, subsessile or lower ones sometimes shortly petiolate, narrowly linear to linear-lanceolate (rarely oblong-lanceolate), 2–12 cm. long, 0.1–1 cm. (some lower toothed leaves rarely up to 4 cm.) broad, margins entire or rarely undulate, sometimes the lower leaves coarsely and irregularly toothed, thinly pubescent to glabrous above, usually densely glandular below and thinly pubescent on the nerves becoming glabrous, cuneate at the base, acute, subacute or rarely rounded at the apex.
    Flowers
    Flowers pink, red, mauve or purple, often spotted within.
    Calyx
    Calyx persistent, lobes lanceolate to linear-lanceolate, acuminate, 5–9 mm. long, pubescent.
    Corolla
    Corolla 2–3.5 (rarely up to 4) cm. long, 0.9–1.8 (rarely up to 2.3) cm. diameter at the throat, pubescent or rarely glabrescent.
    Stamens
    Filaments arising from a band of hairs, anthers 3.5 mm. long, dorsifixed with papillae at the back.
    Ovary
    Ovary narrowly oblong-quadrangular, about 4 mm. long, densely adpressed-pubescent.
    Fruits
    Capsule narrowly oblong-quadrangular, deeply 4-grooved, rounded at the base, acuminate into a narrow beak at the apex, 1.2–2.4 cm. long, 3–4 mm. broad, thinly pubescent to pilose, beak 1–3.5 mm. long (Fig. 7/15).
    Seeds
    Seeds (Fig. 7/16) not winged, thick, about 1.5 mm. long, 1 mm. broad, faces and sides rugose.
    Figures
    Fig. 7/9–16, p. 18.
    Habitat
    In cultivated and waste areas, native gardens, roadsides and short grassland; often cultivated as a vegetable, for its medicinal properties and for the oil in its seeds; (15–) 600–2000 m.
    Distribution
    K4 K5 K6 K7 T1 T2 T3 T4 T5 T6 T7 T8 U1 U2

    Images

    Distribution

    Native to:

    Burundi, Cameroon, Central African Repu, Chad, Congo, Ethiopia, Gabon, Kenya, Mozambique, Nigeria, Rwanda, Sudan, Tanzania, Uganda, Zambia, Zaïre

    Sesamum angustifolium (Oliv.) Engl. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 2002 Lisanework [6239], Ethiopia K000731980
    Jan 1, 1988 Lovett, J. [1623], Tanzania K000731989
    Jan 9, 1953 Baum, H. [959], Angola K000195253 Unknown type material
    Milne-Redhead, E. [3398], Zambia 31027.000
    Friis, I. [7273], Ethiopia K000731979
    Thulin, M. [620], Tanzania K000731990
    Hooper, S.S. [1604], Kenya K000731988
    van der Maesen, L.J.G. [2403], Kenya K000731985
    Speke [s.n.], Tanzania K000430498
    Spjut, R.W. [3051], Kenya K000731986
    Sangai, G.W. [911], Kenya K000731987

    First published in Pflanzenw. Ost-Afrikas, C: 365 (1895)

    Accepted by

    • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
    • Launert, E. (ed.) (1988). Flora Zambesiaca 8(3): 1-118. Royal Botanic Gardens, Kew.
    • Bruce, E.A. (1953). Flora of Tropical East Africa, Pedaliaceae: 1-21.

    Literature

    Flora of West Tropical Africa
    • F.T.E.A., Pedaliac. 19, fig. 7, 9-16.
    • F.T.A. 4, 2: 554
    • Pflanzenw. Ost-Afr. C: 365 (1895)
    Kew Backbone Distributions
    • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
    • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
    • Lejoy, J., Ndjele, M.-B. & Geerinck, D. (2010). Catalogue-flore des plantes vasculaires des districts de Kisangani et de la Tshopo (RD Congo) Taxonomania 30: 1-307.
    • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Launert, E. (ed.) (1988). Flora Zambesiaca 8(3): 1-118. Royal Botanic Gardens, Kew.
    • Troupin, G. (ed.) (1985). Flora du Rwanda 3: 1-729. Musee Royal de l'Afrique Centrale.
    • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 2(1): 1-85. ORSTROM, Bangui.
    • Lebrun, J.-P., Audru, J., Gaston, A. & Mosnier, M. (1972). Catalogue des Plantes Vasculaires du Tchad Méridional: 1-289. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
    • Lewalle, J. (1970). Liste floristique et répartition altitudinale de la flore du Burundi occidental: 1-84. Université officielle de Bujumbura.
    • Hepper, F.N. (ed.) (1963). Flora of West Tropical Africa, ed. 2, 2: 1-544.
    • Bruce, E.A. (1953). Flora of Tropical East Africa, Pedaliaceae: 1-21.
    Flora of Tropical East Africa
    • A.J. Jex-Blake, Some Wild Flowers of Kenya p. 101 (1948).
    • Robyns, Flore des Spermatophytes du Parc National Albert 2: 253 (1947).
    • Stapf in Flora of Tropical Africa 4 (2): 554 (1906).
    • Engl. in Die Pflanzenwelt Ost-Afrikas und der Nachbargebiete, Theile C.: 365 (1895).

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    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

    Flora of West Tropical Africa
    Flora of West Tropical 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 Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    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/