1. Family: Orobanchaceae Vent.
    1. Genus: Striga Lour.
      1. Striga aspera (Willd.) Benth.

        This species is accepted, and its native range is W. Tropical Africa to W. Ethiopia and Malawi.

    [FWTA]

    Scrophulariaceae, F. N. Hepper. Flora of West Tropical Africa 2. 1963

    Habit
    Slender erect slightly hispid herb, 6-18 in. high
    Flowers
    Flowers pink or purple, sometimes white
    Ecology
    Weed of waste places and cultivation in savanna
    Note
    Drying blackish.
    [FZ]

    Scrophulariaceae, D. Philcox. Flora Zambesiaca 8:2. 1990

    Habit
    Branched or simple annual to 30 cm. tall; stem slightly angled, hispid with upward pointed hairs.
    Leaves
    Leaves divergent, narrow, up to 6 cm. long, usually less than 3 mm. wide, scabrid.
    Bracts
    Bracts of lowest flowers 2.5 cm. long, exceeding the calyx, bracts of upper flowers as long as or only slightly exceeding the calyx, 0.25–0.5 mm. wide with hispidulous margins, bracteoles similar to bracts but greatly reduced, three quarter length of calyx, 0.2 mm. wide.
    Calyx
    Calyx 6–10 mm. long, including subulate teeth, teeth half as long as calyx tube.
    Corolla
    Corolla pink, tube c. 15 mm. long, densely puberulent, bent and inflated just below limb; upper lip of corolla emarginate, slightly recurved, lower lobes spreading, 5–8 mm. long.
    Fruits
    Capusle 4 mm. long, oblong in outline.
    [FTEA]

    Scrophulariaceae, S.A. Ghazanfar, F.N. Hepper & D. Philcox. Flora of Tropical East Africa. 2008

    Type
    Type: Ghana, Ada, Isert s.n. (B, Herb-Willd. 11182, holo.; C, iso., microfiche!)
    Habit
    Annual herb.
    Stem
    Stems erect, terete to slightly angled, to 30 cm high, branched or simple, hispid with upward pointed hairs
    Leaves
    Leaves spreading, linear, usually up to 6 cm long, < 3 mm wide, scabrid
    Flowers
    Flowers alternate, in spikes; bracts of lowest flowers ± 25 mm long, exceeding the calyx, bracts of upper flowers as long as or only slightly exceeding the calyx, 0.3 mm wide with hispidulous margins; bracteoles similar to bracts but greatly reduced, 3/4 length of calyx, 0.2 mm wide
    Calyx
    Calyx 6–9 mm long, including subulate teeth, 5-ribbed; teeth 3–5 mm long
    Corolla
    Corolla pink; tube 12–15 mm long, sparsely glandular-pubescent, bent and expanding above calyx; upper lip of corolla emarginate, slightly recurved, lower lobes spreading, 5–8 mm long
    Fruits
    Capsule oblong, 4 mm long.
    Ecology
    Grassland, parasitising the roots of wild grasses; 0–1300 m
    Conservation
    Least Concern (LC); common and widespread
    Distribution
    Range: Sudan and West Africa from Nigeria to Senegal Flora districts: T7 T8
    [FTEA]
    Use
    None recorded on specimens from our area

    Images

    Distribution

    Native to:

    Benin, Burkina, Cameroon, Chad, Congo, Ethiopia, Gambia, Ghana, Guinea, Ivory Coast, Malawi, Mali, Mauritania, Niger, Nigeria, Senegal, Sudan, Tanzania, Togo, Zaïre

    Striga aspera (Willd.) Benth. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1990 Schweinfurth, G.A. [1992], Sudan K000379782
    Milne-Redhead, E. [10502], Tanzania 24740.000
    Onochie, C.F.A. [35409], Nigeria 1122.000
    Vogel [15], Nigeria K000379796
    Vogel [15], Nigeria K000379797 holotype
    Raynal-Roques, A. [22290], Burkina Faso K000483420
    Raynal-Roques, A. [22127], Burkina Faso K000483421
    Raynal-Roques, A. [22394], Burkina Faso K000483422
    Raynal-Roques, A. [22309], Burkina Faso K000483423
    Raynal-Roques, A. [22395], Burkina Faso K000483424
    Raynal-Roques, A. [22062], Mali K000483426
    Raynal-Roques, A. [22593], Mali K000483427
    Raynal-Roques, A. [22581], Mali K000483428
    Raynal-Roques, A. [22149], Mali K000483429
    Davey, J.T. [39], Mali K000483425

    First published in Compan. Bot. Mag. 1: 362 (1836)

    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.
    • Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis PhytoKeys 23: 1-18.
    • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
    • Ghazanfar, S.A., Hepper, F.N. & Philcox, D. (2008). Flora of Tropical East Africa, Scrophulariaceae: 1-211.
    • Hedberg, I., Kelbessa, E., Edwards, S., Demissew, S. & Persson, E. (eds.) (2006). Flora of Ethiopia and Eritrea 5: 1-690. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Barry, J. P. & Celles, J.S. (1991). Flore de Mauritanie 1: 1-359. Centre Regional de Documentation Pedagogique, Nice.
    • Jones, M. (1991). A checklist of Gambian plants: 1-33. Michael Jones, The Gambia College.
    • Lebrun, J.p., Toutain, B., Gaston, A. & Boudet, G. (1991). Catalogue des Plantes Vasculaires du Burkina Faso: 1-341. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
    • Philcox, D. (1990). Flora Zambesiaca 8(2): 1-179. Royal Botanic Gardens, Kew.
    • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
    • Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.
    • Peyre de Fabregues, B. & Lebrun, J.-P. (1976). Catalogue des Plantes Vascularies du Niger: 1-433. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
    • Hepper, F.N. (ed.) (1963). Flora of West Tropical Africa, ed. 2, 2: 1-544.

    Literature

    Flora of West Tropical Africa
    • Berhaut Fl. Sén. 84.
    • Chev. Bot. 476
    • F.T.A. 4, 2: 403
    • incl. var. filiformis Benth., in DC. Prod. 10: 501 (1846)
    • in Hook. Comp. Bot. Mag. 1: 362 (1836)
    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.
    • Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis PhytoKeys 23: 1-18.
    • Ghazanfar, S.A., Hepper, F.N. & Philcox, D. (2008). Flora of Tropical East Africa, Scrophulariaceae: 1-211.
    • Hedberg, I., Kelbessa, E., Edwards, S., Demissew, S. & Persson, E. (eds.) (2006). Flora of Ethiopia and Eritrea 5: 1-690. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Barry, J. P. & Celles, J.S. (1991). Flore de Mauritanie 1: 1-359. Centre Regional de Documentation Pedagogique, Nice.
    • Jones, M. (1991). A checklist of Gambian plants: 1-33. Michael Jones, The Gambia College.
    • Lebrun, J.p., Toutain, B., Gaston, A. & Boudet, G. (1991). Catalogue des Plantes Vasculaires du Burkina Faso: 1-341. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
    • Philcox, D. (1990). Flora Zambesiaca 8(2): 1-179. Royal Botanic Gardens, Kew.
    • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
    • Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.
    • Peyre de Fabregues, B. & Lebrun, J.-P. (1976). Catalogue des Plantes Vascularies du Niger: 1-433. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
    • Hepper, F.N. (ed.) (1963). Flora of West Tropical Africa, ed. 2, 2: 1-544.
    Flora of Tropical East Africa
    • Fl. Ethiop. & Eritr. 5: 297 (2006).
    • Ann. Miss. Bot. Gard. 88: 69 (2001)
    • K.B. 41: 209, fig. 2A (1986)
    • Proc. Third Symp. Parasitic Pl.: 263 (1984)
    • F.W.T.A. ed. 2, 2: 372 (1963)
    • F.P.S. 3: 145 (1956)
    • F.T.A. 4(2): 403 (1906)
    • DC., Prodr. 10: 501 (1846)
    • Hook., Comp. Bot. Mag. 1: 362 (1836)

    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