1. Family: Polygonaceae Juss.
    1. Genus: Rumex L.
      1. Rumex spinosus L.

        This species is accepted, and its native range is Macaronesia, Medit. to Arabian Peninsula.

    [FTEA]

    Polygonaceae, R. A. Graham. Flora of Tropical East Africa. 1958

    Diagnostic
    Very like the preceding (E. australis) in its ♂ flowers and vegetative characters, but markedly different in the fruiting perianth which is smaller, 5 mm. long and 4 mm. broad overall, narrowing upwards from a protruding rim shortly above the base.
    Tepal
    Outer tepals deeply perforated with usually 6 small pits, in 2 longitudinal rows, above the rim. Inner tepals erect, lanceolate-muticous, without a terminal spiny arista.
    Spines
    Spines 1.5–2 mm. long, somewhat arcuately curved at the base and remaining a little reflexed or becoming horizontal.
    Figures
    Fig. 1/3, p. 2.
    Habitat
    Waste ground, etc.; in general as for E. australis; ± 1560 m.
    Distribution
    a weed of Mediterranean coastal countries, like the preceding introduced into our area. K4

    Distribution

    Native to:

    Algeria, Baleares, Canary Is., Cape Verde, Chad, Cyprus, East Aegean Is., Egypt, Eritrea, Ethiopia, Greece, Gulf States, Iran, Italy, Kriti, Kuwait, Lebanon-Syria, Libya, Madeira, Mali, Mauritania, Morocco, Niger, Oman, Palestine, Portugal, Sardegna, Saudi Arabia, Selvagens, Sicilia, Sinai, Socotra, Somalia, Spain, Sudan, Tunisia, Turkey, Western Sahara, Yemen

    Extinct in:

    Corse

    Introduced into:

    Argentina Northeast, Ascension, Azores, California, Chile Central, Ecuador, Florida, Hawaii, India, Kenya, Masachusettes, Mauritius, New Jersey, Pakistan, Peru, Queensland, South Australia, Texas, Uruguay, Victoria, Western Australia

    Rumex spinosus L. appears in other Kew resources:

    First published in Sp. Pl.: 337 (1753)

    Accepted by

    • Schuster, T.M., Reveal, J.L., Bayly, M.J. & Kron, K.A. (2015). An updated molecular phylogeny of Polygonoideae (Polygonaceae): relationships of Oxygonum, Pteroxygonum, and Rumex, and a new circumscription of Koenigia Taxon 64: 1188-1208.

    Not accepted by

    • Dobignard, A. & Chatelain, C. (2013). Index synonymique de la flore d'Afrique du nord 5: 1-451. Éditions des conservatoire et jardin botaniques, Genève. [Cited as Emex spinosa.]

    Literature

    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.
    • Llewellyn, O.A., Hall, M., Miller, A.G., Al-Abbasi, T.M., Al-Wetaid, A.H., Al-Harbi, R.J. & Al-Shammari, K.F. (2011). Important plant areas in the Arabian peninsula: 4. Jabal Aja Edinburgh Journal of Botany 68: 199-224.
    • Authier, P. & Covillot, J. (2011). Catalogue actualisé des plantes de l'île de Rhodes (Grèce) Saussurea; Travaux de la Société Botanique de Genève 41: 131-170.
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348. Missouri Botanical Garden.
    • Boulos, L. (1999). Flora of Egypt 1: 1-419. Al Hadara Publishing, Cairo.
    • Wood, J.R.I. (1997). A handbook of the Yemen Flora: 1-434. Royal Botanic Gardens, Kew.
    • Tutin, T.G. & al. (eds.) (1993). Flora Europaea ed. 2, 1: 1-581. Cambridge University Press.
    • Ghazanfar, S.A. (1992). An Annotated Catalogue of the Vascular Plants of Oman and their Vernacular names Scripta Botanica Belgica 2: 1-153.
    • 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.
    • Packer, J.E. (1974). Ascension Handbook. A concise guide to Ascension Island South Atlantic ed. 2 Packer, Georgetown.

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East 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