1. Family: Amaranthaceae Juss.
    1. Genus: Chenopodium L.
      1. Chenopodium giganteum D.Don

        This species is accepted, and its native range is Himalaya to Korea.

    [FZ]

    Chenopodiaceae, J. P. M. Brenan. Flora Zambesiaca 9:1. 1988

    Habit
    Annual herb closely related to C. album, c. 1–3 m. high, erect, much branched, with young shoots suffused with a conspicuous vivid amaranth-purple, and densely clothed with mealy vesicular hairs; stems red-striped.
    Leaves
    Leaves (of inferior and middle parts of stem and branches) broadly rhombic-ovate, large, (5) 10–18 × (4.5) 10–16 cm., broadly cuneate-attenuate at base, rounded at apex; margins with about 15–30 shallow irregular teeth or lobes on each side, lowermost teeth or lobes not especially prominent; upper leaves and bracts becoming smaller narrower and subacute to acute at apex.
    Inflorescences
    Inflorescence an ample panicle of very numerous small spicately arranged flower-clusters (“glomerules”) 2–3 mm. in diam.; flowers green or reddish, 0.75–1.5 mm. in diam.
    Perianth
    Perianth segments 5, papillose with grey-mealy hairs outside, each with a prominent green keel in upper part.
    Stamens
    Stamens 5.
    Seeds
    Pericarp somewhat persistent, but easily rubbed or scraped off. Seeds black, shining, about 1–1.2 mm. in diam., bluntly keeled; testa (seen under microscope) marked with numerous irregular spaced radial furrows and with minor irregularities on surface between furrows, but giving a generally smoothish appearance.

    Images

    Distribution

    Native to:

    China North-Central, East Himalaya, Manchuria, Nepal, Primorye, Tibet, West Himalaya

    Introduced into:

    Algeria, Argentina Northeast, Argentina Northwest, Canary Is., Cape Provinces, China South-Central, Cuba, East Aegean Is., Egypt, France, Free State, Great Britain, Greece, India, Iran, Italy, Japan, Korea, Kriti, Libya, Madeira, Morocco, New Zealand North, New Zealand South, Northern Provinces, Sicilia, Swaziland, Taiwan, Tunisia, Zimbabwe

    Chenopodium giganteum D.Don appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Nov 16, 1933 Scheimer [629] K000898428
    Price, W.R. [1071], China K000898427
    Wight, R. [6952], India K000898430
    Wallich, N. [6952], India K000898431
    Cope, T.A. [RBG 11], Great Britain K000914050
    Cope, T.A. [ RBG 581], Great Britain K000914608

    First published in Prodr. Fl. Nepal.: 75 (1825)

    Accepted by

    • Berry, M. (2019). Adventures and aliens news 17 BSBI News 141: 41-47.
    • Baliousis, E. (2014). Recent data from the flora of the island of Limnos (NE Aegean, Greece): new alien invasive species affecting the agricultural economy of the island Edinburgh Journal of Botany 71: 275-285.
    • 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.
    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
    • Hedge, I.C., Akhani, H., Freitag, H., Kothe-Heinrich, G., Podlech, D., Rilke, S. & Uotila, P. (1997). Flora Iranica 172: 1-371. Naturhistorisches Museums Wien.
    • Tutin, T.G. & al. (eds.) (1993). Flora Europaea ed. 2, 1: 1-581. Cambridge University Press.
    • Grierson, A.J.C. & Long, D.G. (1984). Flora of Bhutan 1(2): 189-462. Royal Botanic Gardens, Edinburgh.

    Not accepted by

    • Sukhorukov, A.P. & Kushunina, M. (2014). Taxonomic revision of Chenopodiaceae in Nepal Phytotaxa 191: 10-44. [Cited as Chenopodium bengalense.]

    Literature

    Kew Backbone Distributions
    • Berry, M. (2019). Adventures and aliens news 17 BSBI News 141: 41-47.
    • Sukhorukov, A.P., Liu, P.L. & Kushunina, M. (2019). Taxonomic revision of Chenopodiaceae in Himalaya and Tibet PhytoKeys 116: 1-141.
    • Sukhorukov, A.P. & Kushunina, M. (2014). Taxonomic revision of Chenopodiaceae in Nepal Phytotaxa 191: 10-44.
    • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
    • Dobignard, A. & Chatelain, C. (2011). Index synonymique de la flore d'Afrique du nord 2: 1-429. Éditions des conservatoire et jardin botaniques, Genève.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
    • Boulos, L. (1999). Flora of Egypt 1: 1-419. Al Hadara Publishing, Cairo.
    • Hedge, I.C., Akhani, H., Freitag, H., Kothe-Heinrich, G., Podlech, D., Rilke, S. & Uotila, P. (1997). Flora Iranica 172: 1-371. Naturhistorisches Museums Wien.
    • Launert, E. (ed.) (1988). Flora Zambesiaca 9(1): 1-179. Royal Botanic Gardens, Kew.
    • Davis, P.H. (ed.) (1988). Flora of Turkey and the East Aegean Islands 10: 1-590. Edinburgh University Press, Edinburgh.

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    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