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  1. Family: Asteraceae Bercht. & J.Presl
    1. Genus: Lactuca L.
      1. Lactuca indica L.

        This species is accepted, and its native range is SE. Siberia to Japan and Malesia.

    [FZ]

    Compositae, G. V. Pope. Flora Zambesiaca 6:1. 1992

    Habit
    A stout erect leafy annual or biennial herb up to c. 1.5(4) m. tall.
    Stem
    Stems solitary, branching above, glabrous.
    Leaves
    Leaves cauline sessile, not or scarcely auriculate, glabrous; lower leaves up to c. 22 x 14 cm., pinnatipartite, narrowly ovate to broadly elliptic in outline, remotely 2–5-lobed, the terminal lobe up to c. 9.5 x 2.5 cm. lanceolate, lateral lobes up to c. 5.5 x 1 cm. lorate; upper leaves smaller, undivided and lanceolate to linear-lanceolate, sometimes lobed.
    Synflorescence
    Synflorescence paniculate; branches ascending, glabrous with ovate to narrowly lanceolate bracts.
    Capitulum
    Capitula numerous, stalked; stalks up to c. 2.5 cm. long, imbricately bracteolate particularly when young; involucres 8–10 x 3.5–4 mm., cylindric at time of flowering, increasing to c. 14 x 7 mm. and becoming pyriform in fruiting capitula.
    Phyllaries
    Phyllaries 4–5-seriate, glabrous; the outermost 2–5 mm. long, ovate; the innermost to c. 14 mm. long, lorate-lanceolate.
    Florets
    Florets 20–28 per capitulum; corollas yellow 13–15 mm. long, tube slender, cylindric, pubescent about the mouth; ligule c. 7–9 x 1.5–2 mm., lorate, glabrous.
    Fruits
    Achenes dark-brown or black 4.5–5 x 1.5–2 mm. including a c. 1 mm. long paler-coloured beak, flattened-ellipsoid, ± winged on the margins and narrowly 1(2)-ribbed on each face, glabrous; pappus several-seriate, of white barbellate setae c. 7 mm. long.

    Images

    Distribution

    Native to:

    Amur, Assam, China North-Central, China South-Central, China Southeast, Chita, East Himalaya, Hainan, Japan, Jawa, Khabarovsk, Korea, Laos, Manchuria, Nansei-shoto, Philippines, Primorye, Taiwan, Thailand, Tibet, Vietnam

    Introduced into:

    Central African Repu, Jamaica, KwaZulu-Natal, Madagascar, Mauritius, Réunion, Seychelles

    Synonyms

    Other Data

    Lactuca indica L. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Randriamampionona, B. [735], Madagascar K000662260
    March [2004], Jamaica Lactuca jamaicensis K000222235
    s.coll. [Cat. no. 3279] Prenanthes taraxacoides K001129348
    Cavalerie, J. [7377], Yunnan Pterocypsela indica var. laciniata K000815113
    Henry, A. [7955], Hainan Pterocypsela indica K000815110
    Henry, A. [295], China Pterocypsela indica K000815115
    Cavalerie, J. [2908], Yunnan Pterocypsela indica K000815114
    Champion, J.G. [231], Hong Kong Pterocypsela indica K000815111
    s.coll. [231], Hong Kong Pterocypsela indica K000815112

    Bibliography

    First published in Mant. Pl.: 278 (1771)

    Accepted by

    • Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.
    • Koyama, H., Bunwong, S., Pornpongrungrueng, P. & Hind, D.J.N. (2016). Flora of Thailand 13(2): 143-428. The Forest Herbarium, Royal Forest Department.
    • Krasnoborov, I.M. (ed.) (2007). Flora of Siberia 13: 1-499. Scientific Publishers, Inc., Enfield, Plymouth.

    Literature

    Kew Backbone Distributions

    • Koyama, H., Bunwong, S., Pornpongrungrueng, P. & Hind, D.J.N. (2016). Flora of Thailand 13(2): 143-428. The Forest Herbarium, Royal Forest Department.
    • Krasnoborov, I.M. (ed.) (2007). Flora of Siberia 13: 1-499. Scientific Publishers, Inc., Enfield, Plymouth.
    • Kharkevich, S.S. (ed.) (1992). Plantae Vasculares Orientalis Extremi Sovietici 6: 1-428. Nauka, Leningrad.

    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