1. Family: Orobanchaceae Vent.
    1. Melasma P.J.Bergius

      1. This genus is accepted, and is native to Africa, Southern America and Northern America..

    [FTEA]

    Scrophulariaceae, S.A. Ghazanfar, F.N. Hepper & D. Philcox. Flora of Tropical East Africa. 2008

    Habit
    Erect perennial herbs, scabrid or hispid.  Leaves opposite, occasionally alternate within inflorescence, sessile or subsessile
    Flowers
    Flowers solitary in axils of leaves or bracts, in lax or congested terminal racemes, pedicellate, bi-bracteolate
    Calyx
    Calyx 5-lobed, subequal, campanulate, 10-ribbed, inflated in fruit; lobes erect, valvate
    Corolla
    Corolla tubular-campanulate, 5-lobed, larger than calyx; lobes imbricate, widely spreading
    Stamens
    Stamens 4, subequal, didynamous, included; anther thecae parallel, distinct, apiculate or acuminate; style clavate, flattened, persistent, exserted from the persistent calyx
    Fruits
    Capsule loculicidal, included in calyx
    Seeds
    Seeds numerous, small, straight or curved, outer testa transparent, extended at each end beyond seed nucleus, truncate.
    [FZ]

    Scrophulariaceae, D. Philcox. Flora Zambesiaca 8:2. 1990

    Habit
    Erect perennial herbs, erect to c. 100 cm. tall, coarse, scabrid or hispid.
    Leaves
    Leaves opposite, occasionally alternate within inflorescence, sessile or subsessile, entire or toothed.
    Flowers
    Flowers loosely arranged or clustered in terminal racemes, solitary in axils of leaves or bracts, pedicellate, bibracteolate.
    Calyx
    Calyx 5-lobed, campanulate, 10-ribbed, inflated in fruit; lobes erect, valvate, subequal.
    Corolla
    Corolla tubular-campanulate, 5-lobed, larger than calyx, not marcescent, lobes imbricate, widely spreading.
    Stamens
    Stamens 4, included, didynamous, subequal; anther thecae parallel, distinct, apiculate or acuminate.
    Style
    Style clavate, flattened, persistent, exserted from persistent calyx.
    Fruits
    Capsule loculicidal, included in calyx.
    Seeds
    Seeds numerous, 0.5–3 mm. long, straight or curved, outer testa transparent, extended at each end beyond seed nucleus, truncate.

    Images

    Distribution

    Native to:

    Angola, Argentina Northeast, Belize, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Cape Provinces, Colombia, Costa Rica, Dominican Republic, Free State, French Guiana, Guyana, Honduras, Jamaica, KwaZulu-Natal, Leeward Is., Lesotho, Malawi, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Southeast, Mexico Southwest, Nicaragua, Northern Provinces, Panamá, Paraguay, Puerto Rico, Swaziland, Tanzania, Trinidad-Tobago, Uruguay, Venezuela, Windward Is., Zambia, Zaïre, Zimbabwe

    Melasma P.J.Bergius appears in other Kew resources:

    First published in Descr. Pl. Cap.: 162 (1767)

    Literature

    Flora Zambesiaca
    • Melchior in Notizbl. Bot. Gart., Berlin 15: 199–127(1940).
    • Desc. Pl. Cap.: 162 (1767).
    Flora of Tropical East Africa
    • Desc. Pl. Cap.: 162 (1767)

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    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