1. Family: Lamiaceae Martinov
    1. Melissa L.

      1. This genus is accepted, and its native range is Medit. to W. Malesia.

    [LKGF]

    Harley, R.M. et al. (2004). Labiatae, in The Families and Genera of Vascular Plants (K. Kubitzki, ed. in chief) VI: 167-275. Springer-Verlag, Berlin, Heidelberg, New York.

    Habit
    Perennial herbs, ± rhizomatous, aromatic
    Leaves
    Leaves simple, toothed
    Inflorescences
    Inflorescence of axillary verticillasters, widely spaced, with 2-16 flowers per verticillaster
    Bracts
    Bracts leaf-like
    Bracteoles
    Bracteoles small, patent
    Flowers
    Flowers with curved pedicels
    Calyx
    Calyx 2-lipped, 5-lobed (3/2), ± campanulate, lobes upcurved, ciliate, posterior lip with lobes very short, lower lip with lobes long-triangular, tube 13-nerved
    Corolla
    Corolla 2-lipped, hairy, white, cream or reddish, posterior lip shorter, with lobe rounded and emarginate, anterior lip with median lobe semiorbicular, deflexed, lateral lobes very small, ± triangular, corolla-tube dilated at throat
    Stamens
    Stamens 4, didynamous, exserted from tube, anterior pair longer, filaments ± straight, thecae divergent, confluent at base
    Stigma
    Stigma-lobes subulate, subequal
    Fruits
    Nutlets ovoid, smooth, mucilaginous.
    Note
    2n = 32, 34, 64.  Four species
    Ecology
    Usually in forests
    Distribution
    Europe, Northern Africa, Macaronesia and Asia.
    [LKGF]
    Use
    Plants used as a source of essential oils, both medicinally and as flavouring.

    Images

    Distribution

    Native to:

    Albania, Algeria, Assam, Baleares, Bulgaria, Cambodia, China South-Central, China Southeast, Corse, Cyprus, East Aegean Is., East Himalaya, France, Greece, India, Iran, Iraq, Italy, Jawa, Kirgizstan, Kriti, Laos, Lebanon-Syria, Morocco, Myanmar, Nepal, North Caucasus, Portugal, Sardegna, Sicilia, Spain, Sumatera, Tadzhikistan, Taiwan, Thailand, Tibet, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Uzbekistan, Vietnam, West Himalaya, Yugoslavia

    Introduced into:

    Alabama, Argentina Northeast, Argentina Northwest, Argentina South, Arkansas, Austria, Azores, Belgium, British Columbia, California, Canary Is., Chile Central, Connecticut, Czechoslovakia, Delaware, Denmark, District of Columbia, Georgia, Germany, Great Britain, Hungary, Idaho, Illinois, Indiana, Ireland, Juan Fernández Is., Kansas, Kentucky, Krym, Louisiana, Madeira, Maine, Manitoba, Maryland, Masachusettes, Michigan, Missouri, Montana, Netherlands, New Jersey, New York, New Zealand North, New Zealand South, North Carolina, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Poland, Québec, Rhode I., Romania, South Carolina, South European Russi, Sweden, Switzerland, Tennessee, Ukraine, Uruguay, Vermont, Virginia, Washington, West Siberia, West Virginia

    Melissa L. appears in other Kew resources:

    First published in Sp. Pl.: 592 (1753)

    Accepted by

    • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Lamiaceae Key Genus Fact Sheets
    • Harley RM, Atkins S, Budantsev AL, Cantino PD, Conn BJ, Grayer R, Harley MM, de Kok RPJ, Krestovskaja T, Morales R, Paton AJ, Ryding O, and Upson T. 2004. Labiatae, in The Families and Genera of Vascular Plants (K. Kubitzki, ed. in chief) VI: 167-275. Sp
    • Mutelia Gren. ex Mutel, Fl. Franç. 3: 21 (1836).
    • Melissa L., Sp. Pl. 2: 592 (1753).

    Sources

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. 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 2019. 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

    Lamiaceae Key Genus Fact Sheets
    Nina Davies, Gemma Bramley and Don Kirkup, Royal Botanic Gardens, Kew
    http://creativecommons.org/licenses/by/3.0