1. Family: Euphorbiaceae Juss.
    1. Genus: Euphorbia L.
      1. Euphorbia stricta L.

        Euphorbia stricta is an annual herb with a milky latex, widespread throughout Europe but uncommon in the UK except in a small area around Gloucester. Because of this it is sometimes known as Tintern spurge. It may also be found listed under the name Euphorbia serrulata. The plant is cultivated only occasionally, but spreads rapidly.

    [KSP]

    Kew Species Profiles

    General Description
    The upright spurge is an annual herb, widespread throughout Europe but uncommon in the UK where it is found mainly in a small area around Gloucester.

    Euphorbia stricta is an annual herb with a milky latex, widespread throughout Europe but uncommon in the UK except in a small area around Gloucester. Because of this it is sometimes known as Tintern spurge. It may also be found listed under the name Euphorbia serrulata. The plant is cultivated only occasionally, but spreads rapidly.

    Species Profile
    Geography and distribution

    The upright spurge is found throughout southern Europe, reaching as far north as the southern parts of UK, The Netherlands and Poland and as far east as the Caucasus. It also has become naturalised in New Zealand.

    Description

    Overview:  Euphorbia stricta is an annual herb growing to 1 m, always glabrous. Stems are often reddish with typically four to five axillary rays in the upper part.

    Leaves:  Leaves are oblong-lanceolate, finely toothed and subsessile.

    Flowers:  Flowers are in small groups consisting of a solitary female and several males surrounded by nectar-gland bearing involucral bracts which form a cup. The male flower consists of a single naked stamen on its own pedicel (so that it looks like a jointed filament). The female flower consists of a trilocular (3-valved) naked ovary, on a pedicel which usually elongates in fruit.

    Fruits:  The fruit is a 3-lobed dehiscent capsule, up to 2.5 mm in diameter and is covered in cylindrical warts or tubercles. The seeds are smooth and reddish-brown.

    Uses

    Can be grown as an ornamental herbaceous perennial or rock garden plant.

    Ecology
    Roadsides, beside streams and ditches, in moist grassy areas, amongst rocks in limestone and sandstone areas. From sea level to 1200 m.
    Conservation
    Independently assessed as of Least Concern (LC) according to IUCN criteria.
    Hazards

    Latex may severely irritate the skin causing acute dermatitis, and is poisonous if consumed. Contact with the eyes should be avoided. Seeds may have drastic purgative action.

    Images

    Distribution

    Found In:

    Albania, Austria, Belgium, Bulgaria, Corse, Czechoslovakia, France, Germany, Great Britain, Greece, Hungary, Iran, Italy, Krym, Netherlands, Poland, Romania, Sicilia, Switzerland, Transcaucasus, Turkey, Turkey-in-Europe, Ukraine, Yugoslavia

    Introduced Into:

    New Zealand North, New Zealand South

    Common Names

    English
    Upright spurge

    Euphorbia stricta L. appears in other Kew resources:

    First published in Syst. Nat. ed. 10, 2: 1049 (1759)

    Accepted in:

    • [1] (2014) Nordic Journal of Botany 32: 257-278
    • [3] Govaerts, R., Frodin, D.G. & Radcliffe-Smith, A. (2000) World Checklist and Bibliography of Euphorbiaceae (and Pandaceae) 1-4: 1-1622. The Board of Trustees of the Royal Botanic Gardens, Kew
    • [5] (1988) Flora of New Zealand 4: 1-1365. R.E.Owen, Government Printer, Wellington

    Literature

    • [2] Govaerts, R., Radcliffe-Smith, A., Hoffmann, P., Barker, C., Carter, S., Davies,S., Esser, H.-J., Gilbert, M., Steinmann, V., van Welzen, P. & Whitmore, T. (2009). World Checklist of Malpighiales. Royal Botanic Gardens, Kew.
    • [4] Huxley, A., Griffiths, M. & Levy, M. (eds) (1992). The New Royal Horticultural Society Dictionary of Gardening, 4 vols. Macmillan, London.
    • [6] Linnaean Plant Name Typification Project; Natural History Museum, London.

    Sources

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families (2017). Published on the internet at http://www.ipni.org and http://apps.kew.org/wcsp
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