1. Family: Orobanchaceae Vent.
    1. Genus: Striga Lour.
      1. Striga passargei Engl.

        This species is accepted, and its native range is Tropical Africa to Namibia, SW. Arabian Peninsula.

    [FWTA]

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

    Habit
    Erect slightly scabrid herb, 4-18 in. high
    Flowers
    Flowers creamy-white to pale yellow with pink centre, rarely wholly pale pink (Lely 532)
    Ecology
    In rocky places
    Note
    Drying black.
    [FTEA]

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

    Type
    Type: Cameroon, Jola, Passarge 48 (B†, holo.)
    Habit
    Annual herb, 10–40 cm high.
    Stem
    Stems simple or branched, somewhat succulent, slightly 4-angled, scabrid, drying black
    Leaves
    Leaves few on lower half of stem, ascending, narrowly elliptic, 10–45 long, 1–3 mm wide
    Flowers
    Flowers opposite or alternate, in long lax spikes, only two flowers at same node open per inflorescence branch; bracts much larger than leaves, linear, up to 5 cm long and 4 mm wide, often recurved; upper bracts as long as or longer than the calyx; bracteoles subulate, shorter than calyxtube
    Calyx
    Calyx in flower ± 8 mm long, 1.5 mm diameter, enlarging in fruit, 5-ribbed; teeth subulate, up to half as long as the tube and spreading in fruit, ribs scabrid, hyaline in between
    Corolla
    Corolla white (rarely yellow or pinkish), tube 10–17 mm long, finely glandular-pubescent outside, throat hairy; upper lobe emarginate or bilobed, 2–5 mm long, 2–4 mm wide, reflexed; lower lobes spreading, 2–7 mm long, 1.5–4 mm wide
    Fruits
    Capsule ovoid, 8–13 mm long, 2 mm wide.
    Ecology
    Secondary Acacia woodland, by roadside, rocky places, parasitic on Urochloa and other grasses; 100–1450 m
    Conservation
    Least Concern (LC); common and widespread
    Distribution
    Range: SW Arabia Range: Senegal, Ghana, Nigeria, Cameroon, Sudan Flora districts: T1 T4 T8
    [FZ]

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

    Habit
    Plant annual 10–40 cm. tall, simple or branched, stems somewhat succulent, scabrid, slightly quadrangular.
    Leaves
    Leaves few on lower half of stem, c. 10 x 1 mm.
    Bracts
    Bracts much larger than leaves, up to 5 x 4 mm., of ten recurved.
    Flowers
    Flowers opposite or alternate, only two flowers at same node open per inflorescence branch.
    Bracteoles
    Bracteoles subulate, shorter than calyx tube.
    Calyx
    Calyx in flower c. 8 mm. long, 15 mm. in diam.; enlarging in fruit, subulate teeth up to half as long as the tube; lower portion connivent, upper spreading in fruit, nerves scabrid, hyaline between nerves.
    Corolla
    Corolla cream-white or pale yellow, 10–17 mm. long, finely glandular-pubescent outside, throat hairy. Upper lobe emarginate or bilobed, 2–5 x 2–4 mm., reflexed, lower lobes spreading 2–7 x 1.5–4 mm.
    Fruits
    Capsule ovoid, 8–13x2 mm.
    [FTEA]
    Use
    None recorded on specimens from our area

    Images

    Distribution

    Native to:

    Benin, Burkina, Cameroon, Chad, Ghana, Mali, Namibia, Nigeria, Senegal, Sudan, Tanzania, Togo, Zambia, Zaïre

    Striga passargei Engl. appears in other Kew resources:

    First published in Bot. Jahrb. Syst. 23: 515 (1897)

    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.
    • 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.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • 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.
    • 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.
    • Hepper, F.N. (ed.) (1963). Flora of West Tropical Africa, ed. 2, 2: 1-544.

    Literature

    Flora of West Tropical Africa
    • Berhaut Fl. Sén. 83.
    • Chev. Bot. 478, partly
    • Bot. Jahrb. 23: 515, t. 12, figs. M, N (1897)
    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.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • 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.
    • 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.
    • Hepper, F.N. (ed.) (1963). Flora of West Tropical Africa, ed. 2, 2: 1-544.
    Flora of Tropical East Africa
    • Ann. Miss. Bot. Gard. 88: 93 (2001).
    • K.B. 41: 219, fig. 3B (1986)
    • Proc. Third Symp. Parasitic Pl.: 265 (1984)
    • F.W.T.A. ed. 2, 2: 372 (1963)
    • F.T.A. 4(2): 403, note under S. aspera (1906)
    • E.J. 23: 515, t. 12, figs. M, N (1897)

    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

    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/