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  1. Family: Convolvulaceae Juss.
    1. Genus: Convolvulus L.

      1. Convolvulus rhyniospermus Hochst. ex Choisy

        This species is accepted, and its native range is NE. Tropical Africa, Arabian Peninsula, Afghanistan to NW. India.

    [FTEA]

    Convolvulaceae, B. Verdcourt (East African Herbarium). Flora of Tropical East Africa. 1963

    Habit
    Annual herb; stems many, up to 0.6 m. long from a slender unbranched root, ascending or prostrate, pubescent.
    Leaves
    Leaf-blade ovate, oblong or elliptic, up to 5 cm. long and 1.1 cm. wide, obtuse or minutely apiculate at the apex, truncate or broadly cuneate and then narrowly cuneate at the base, glabrescent or with a few bristly hairs on the basal margins; petiole about 2 mm. long, ± winged.
    Inflorescences
    Inflorescence a many-flowered, globose, subsessile head, 1–2 cm. in diameter, pilose with brown hairs when dry; bracts similar to sepals and leaves.
    Calyx
    Sepals unequal, lanceolate, 5–7 mm. long and 0.5–1.5 mm. wide.
    Corolla
    Corolla blue, 8–10 mm. long and about 10–12 mm. in diameter.
    Fruits
    Capsule 2–3.5(–6) mm. in diameter, pale yellow.
    Seeds
    Seeds yellow-brown, about 1.5 mm. long, papillate.
    Habitat
    Dry bushland, often on sandy soil; 300–900 m.
    Distribution
    K1 K2

    Images

    Distribution

    Native to:

    Afghanistan, Chad, Djibouti, Eritrea, Ethiopia, India, Pakistan, Saudi Arabia, Socotra, Somalia, Sudan, West Himalaya, Yemen

    Convolvulus rhyniospermus Hochst. ex Choisy appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jul 1, 1955 Kirrika [140], Kenya K000097334 holotype
    Kotschy [235], Sudan K000097343 isotype
    Kotschy [235], Sudan K000097344

    First published in A.P.de Candolle, Prodr. 9: 405 (1845)

    Accepted by

    • Wood, J.R.I., Williams, B.R.M., Mitchell, T.C., Carine, M.A., Harris, D.J. & Scotland, R.W. (2015). A foundation monograph of Convolvulus (Convolvulaceae) PhytoKeys 51: 1-282.
    • 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.
    • Al Khulaidi, A.W.A. in Al Khulaidi, A.W.A. (2012). Fl. Yemen Convolvulaceae + Cuscutaceae Flora of Yemen: 73-76 + 80. EPA and UNDP, Republic of Yemen.
    • Dobignard, A. & C. Chatelain in Dobignard, A. & Chatelain, C. (2011). Convolvulaceae Index synonymique de la flore d'Afrique du nord 3: 331-351. Conservatoire et Jardin Botanique de la ville de Genève.
    • 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.
    • Thulin, M. et al. in Thulin, M. (ed.) (2006). Convolvulaceae Flora of Somalia 3: 221-258. The Royal Botanic Gardens, Kew.
    • Miller, A.G. & M. Morris in Miller, A.G. & M. Morris (2004). Ethnofl. Soqotra Archipel. Convolvulaceae + Cuscutaceae Ethnoflora of the Soqotra Archipelago: 516-524. Royal Botanic Garden Edinburgh.
    • Alfarhan, A. & Thomas, J. in Chaudhary, S.A. (2001). Saudi Arabian CNV + CUS Flora of the Kingdom of Saudi Arabia 2(2): 156-222. Ministry of Agriculture & Water, Riyadh.
    • Boulos, L. (2000). Flora of Egypt 2: 1-352. Al Hadara Publishing, Cairo.
    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
    • Verdcourt, B. (1982). Corrections and additions to the 'Flora of Tropical East Africa: Convolvulaceae': V Kew Bulletin 37: 459-464.
    • Austin, D.F. & S. Ghazanfar in E. Nasir & Ali, S.I. (eds.) (1979). Convolvulaceae Flora of West Pakistan 126: 1-64.
    • Sa'ad, F. (1967). The Convolvulus species of the Canary Islands, the Mediterranean region and the Near and Middle East Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht 281: 1-288.
    • Verdcourt, B. (1963). Convolvulaceae Flora of Tropical East Africa: 1-161.
    • Quézel, P. (1958). Mission Botanique au Tibesti: 1-357. Université d'Alger.
    • Andrews, F.W. in Andrews, F.W. (1956). Convolvulaceae The Flowering Plants of the Sudan 3: 102-125. T.Buncle & co., LTD., Arbroath, Scotland.
    • Baker, J.G. & A.B. Rendle in Thiselton-Dyer, W.T. et al. (eds.) (1905). Convolvulaceae Flora of Tropical Africa 4(2): 62-206. Secretary of State for the Colonies.
    • Clarke, C.B. in Hooker, J.D. (1883). Fl. Br. India Convolvulaceae Flora of British India 4: 179-228 + 734.

    Literature

    Kew Backbone Distributions
    • Miller, A.G. & M. Morris in Miller, A.G. & M. Morris (2004). Ethnofl. Soqotra Archipel. Convolvulaceae + Cuscutaceae Ethnoflora of the Soqotra Archipelago: 516-524. Royal Botanic Garden Edinburgh.
    • Alfarhan, A. & Thomas, J. in Chaudhary, S.A. (2001). Saudi Arabian CNV + CUS Flora of the Kingdom of Saudi Arabia 2(2): 156-222. Ministry of Agriculture & Water, Riyadh.
    • Boulos, L. (2000). Flora of Egypt 2: 1-352. Al Hadara Publishing, Cairo.
    • Verdcourt, B. (1982). Corrections and additions to the 'Flora of Tropical East Africa: Convolvulaceae': V Kew Bulletin 37: 459-464.
    • Austin, D.F. & S. Ghazanfar in E. Nasir & Ali, S.I. (eds.) (1979). Convolvulaceae Flora of West Pakistan 126: 1-64.
    • Sa'ad, F. (1967). The Convolvulus species of the Canary Islands, the Mediterranean region and the Near and Middle East Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht 281: 1-288.
    • Quézel, P. (1958). Mission Botanique au Tibesti: 1-357. Université d'Alger.
    • Baker, J.G. & A.B. Rendle in Thiselton-Dyer, W.T. et al. (eds.) (1905). Convolvulaceae Flora of Tropical Africa 4(2): 62-206. Secretary of State for the Colonies.
    Flora of Tropical East Africa
    • Bak. & Rendle in Flora of Tropical Africa 4 (2) : 93 (1905).
    • Choisy, 3.in DC., Prodr. 9 : 405 (1845).

    Sources

    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 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