Genus:
Rumex L.

Rumex spinosus L.

This species is accepted, and its native range is Macaronesia, Medit. to Sahara & Sahel, Arabian Peninsula to Iran.

[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.
Morphology Reproductive morphology Flowers 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.
Morphology General 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

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Plant glabrous with erect or ascending stems 15–50 cm long
Morphology Leaves
Leaves c. 4–8 x 2–5 cm, ovate, subacute at the apex, truncate to subcordate at the base, petiolate
Morphology Reproductive morphology Inflorescences
Male flowers in terminal and axillary pedunculate clusters
Morphology Reproductive morphology Flowers
Female flowers axillary, sessile, in fruit with outer tepals ending in spreading to reflexed spines and inner tepals erect.
Distribution
N2 Mediterranean region, SW Asia, also introduced elsewhere.
Ecology
Altitude range 1150 m.
Note
First record for Somalia (Madarshon at 11°02’N, 48°58’E).

Native to:

Algeria, Baleares, Canary Is., Cape Verde, Chad, Cyprus, East Aegean Is., Egypt, Eritrea, Ethiopia, Greece, Gulf States, Iran, Iraq, 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, Massachusetts, Mauritius, New Jersey, New South Wales, 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

  • Muer, T., Sauerbier, H. & Cabrara Calixto, F. (2020). Die Farn- und Blütenpflanzen Madeiras: 1-792. Verlag und Versandbuchhandlung Andreas Kleinsteuber.
  • 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.
  • Zuloaga, F.O. & Belgrano, M.J. (eds.) (2020). Flora Argentina. Flora vascular de la República Argentina 19(1): 1-378. INTA, IMBIV & IBODA.

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

  • 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.
  • 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.
  • Boulos, L. (1999). Flora of Egypt 1: 1-419. Al Hadara Publishing, Cairo.
  • 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.
  • GBIF ( 2021-continuously updated). Global Biodiversity Information Facility http://www.gbif.org/.
  • Ghazanfar, S.A. & Edmandson, J.R. (eds.) (2016). Flora of Iraq 5(1): 1-284. Ministry of Agriculture & Agrarian Reform, Baghdad.
  • Ghazanfar, S.A. (1992). An Annotated Catalogue of the Vascular Plants of Oman and their Vernacular names. Scripta Botanica Belgica 2: 1-153.
  • 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.
  • Miller, A.G. & Cope, T.A. (1996). Flora of the Arabian peninsula and Socotra 1: 1-586. Edinburgh university press.
  • Packer, J.E. (1974). Ascension Handbook. A concise guide to Ascension Island South Atlantic ed. 2 Packer, Georgetown.
  • Schäfer, H. (2021). Flora of the Azores a field guide: 1-445. Margraf Publishers GmbH.
  • Tutin, T.G. & al. (eds.) (1993). Flora Europaea ed. 2, 1: 1-581. Cambridge University Press.
  • Wood, J.R.I. (1997). A handbook of the Yemen Flora: 1-434. Royal Botanic Gardens, Kew.
  • Zuloaga, F.O. & Belgrano, M.J. (eds.) (2020). Flora Argentina. Flora vascular de la República Argentina 19(1): 1-378. INTA, IMBIV & IBODA.
  • 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.

  • Flora of Somalia

    Flora of Somalia
    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

  • Kew Backbone Distributions

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. 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 2022. 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

  • Kew Science Photographs

    Copyright applied to individual images