1. Family: Araceae Juss.
    1. Genus: Arum L.
      1. Arum italicum Mill.

        This species is accepted, and its native range is Macaronesia, W. Europe to Iraq.

    [CATE]

    CATE Araceae, 17 Dec 2011. araceae.e-monocot.org

    General Description
    Tuberous herb sprouting in early autumn or early winter from a rhizomatous tuber 3.5-7,5 cm long, 1.3-3 cm thick. Petiole terete to slightly D-shaped in cross-section, 15-35(-40) cm long, 5-9(-12) mm wide, deep to mid-green, rarely dull purple. Leaf- blade narrowly or broadly hastate or sagittate-hastate or ovate oblong, apex acute to obtuse, 9-35(-40) cm long, 2-29 cm wide, plain deep green or with primary and main lateral veins slightly to heavily silver-grey, cream or yellowish green, more rarely blade marked with irregular black-purple spots or cloudy silver-grey blotches, or in various shades of green and white, or a combination of any of these. INFLORESCENCE smelling strongly of stale urine or occasionally reminiscent of pineapple and citrus. Peduncle much shorter than the leaves, terete, 4.6-16 cm long, 6-11 mm wide, pale to mid-green, rarely dull purple. Spathe 11-27(-38) cm long; spathe-tube oblong-ventricose, 3-5(-7) cm long, 1.5-2.5(-3.5) cm wide, constricted apically, exterior pale to mid-green, sometimes stained brownish purple at the base and along the margins, interior greenish white, sometimes stained with purple apically, rarely entirely purple; spathe-limb elliptic-lanceolate to elliptic-ovate or broadly elliptic, 9-24.5(-31) cm long, 4-11 cm wide, erect, acute to acuminate, the tip drooping soon after opening, externally greenish white, occasionally flushed with brownish purple towards the margins and along the mid-vein, internally very pale green to almost white, sometimes stained with brownish purple along the margins, entire limb with a translucent quality. Spadix ¼ - ? as long as the spathe-limb, 4.4-14 cm in total length; appendix clavate, long-stipitate, 3-10 cm long, 4-10 mm wide, pale to dark yellow or dull tawny brown, stipe sometimes pale. Staminodes in 2-5 whorls forming a zone 4-10 mm long; bristles filiform, flexuous, 3.5-5 mm long, cream; bases conical, ± verrucate. Interstices: upper 1.5-5 mm long, longitudinally ridged, sometimes obscurely so, pale cream, lower 0-3 mm long, with slight longitudinal ridging and some vestigial pistillodes bases, cream. Staminate flowers in a oblong zone 3-6 mm long, 5-9.5 mm wide; anthers and connectives pale to mid-yellow. Pistillodes in 3-4 whorls, forming a zone 2.5-3 mm long; bristles filiform, flexuous, 3-5.5 mm long, cream basally, paler apically; bases conic to bulbiform, verrucate to smooth, pale to mid-yellow. Pistillate flowers in an oblong-cylindric cluster 9-14 mm long; ovaries ovoid-oblong, 2-3 mm long, pale green to off-white; stigma slightly darker. Fruiting spike oblong-cylindric, 5-9(-12) cm long , 2.5-3 cm wide; berries oblong-pyriform, 4-11 mm long, 3.5-5 mm wide. Germination epigeal or hypogeal in subsp. italicum, unknown in subsp. canariense and subsp. albispathum.
    Diagnostic
    Tuber rhizomatous. Spathe-limb internally pale-green to almost white. Spadix ¼ to ½ as long as spathe-limb. Staminate flowers yellow before anthesis. (similar to Arum maculatum)

    Images

    Distribution

    Native to:

    Albania, Algeria, Azores, Baleares, Bulgaria, Canary Is., Corse, Cyprus, France, Great Britain, Greece, Iraq, Italy, Kriti, Krym, Madeira, Morocco, North Caucasus, Portugal, Sardegna, Sicilia, Spain, Switzerland, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Yugoslavia

    Introduced into:

    Argentina Northeast, Austria, Belgium, Illinois, Missouri, Netherlands, New York, New Zealand North, North Carolina

    Arum italicum Mill. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    29047.079
    Escombe, F., United Kingdom 16892.000
    Cook [281], Greece 51433.000
    Lindsay, N., Turkey 51448.000
    Theodor Kotschy [10], Turkey K000499294
    Cope, T.A. [RBG 346], United Kingdom K000914488
    Schott, A.C.V. [s.n.], Turkey K000499295 Unknown type material

    First published in Gard. Dict. ed. 8: n.º 2 (1768)

    Accepted by

    • Werier, D. (2017). Catalogue of the Vascular plants of New York state Memoirs of the Torrey Botanical Club 27: 1-542. New York Botanical Garden.
    • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
    • Castroviejo, S. & al. (eds.) (2008). Flora Iberica 18: 1-420. Real Jardín Botánico, CSIC, Madrid.
    • Lambion, J., Delvosalle, L. & Duvigneaud, J. (2004). Nouvelle flore de la Belgique du G. D. de Luxembourg, du Nord de la France et des régions voisines, ed. 5: 1-1167. Edition du Patrimoine du Jardin botanique national de Belgique.
    • Govaerts, R. & Frodin, D.G. (2002). World Checklist and Bibliography of Araceae (and Acoraceae): 1-560. The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.

    Literature

    Kew Backbone Distributions
    • Werier, D. (2017). Catalogue of the Vascular plants of New York state Memoirs of the Torrey Botanical Club 27: 1-542. New York Botanical Garden.
    • Lambion, J., Delvosalle, L. & Duvigneaud, J. (2004). Nouvelle flore de la Belgique du G. D. de Luxembourg, du Nord de la France et des régions voisines, ed. 5: 1-1167. Edition du Patrimoine du Jardin botanique national de Belgique.

    Sources

    CATE Araceae
    Haigh, A., Clark, B., Reynolds, L., Mayo, S.J., Croat, T.B., Lay, L., Boyce, P.C., Mora, M., Bogner, J., Sellaro, M., Wong, S.Y., Kostelac, C., Grayum, M.H., Keating, R.C., Ruckert, G., Naylor, M.F. and Hay, A., CATE Araceae, 17 Dec 2011.
    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 2020. 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 2020. 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
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/