1. Family: Lamiaceae Martinov
    1. Rotheca Raf.

      1. This genus is accepted, and its native range is Tropical & S. Africa to Tropical Asia.

    [FZ]

    Flora Zambesiaca. Vol 8, Pt 7. Avicenniaceae, R. Fernandes. Nesogenaceae, M.A. Diniz. Verbenaceae, R. Fernandes. Lamiaceae, R. Fernandes. 2005.

    General
    Perennial herbs or suffrutices with woody rootstocks, sometimes geoxylic, shrubs, sometimes scandent, or small trees
    Inflorescences
    Inflorescences terminal or axillary, with flowers in lax or ± dense cymes, the cymes racemosely, corymbosely or paniculately arranged Inflorescences terminal or axillary, with flowers in lax or ± dense cymes, the cymes racemosely, corymbosely or paniculately arranged.
    Flowers
    Flowers non-resupinate Flowers non-resupinate.
    Calyx
    Calyx usually red or purple, campanulate to subspherical, ± deeply (4)5(6)-lobed, usually persistent and slightly accrescent in fruit; the lobes acute to rounded Calyx usually red or purple, campanulate to subspherical, ± deeply (4)5(6)-lobed, usually persistent and slightly accrescent in fruit; the lobes acute to rounded.
    Corolla
    Corolla predominantly blue to whitish, asymmetrical in bud, distinctly zygomorphic when open; tube relatively short and broad, anteriorly gibbose; limb 5-lobed with 2 posterior lobes subequalling 2 lateral lobes and 1-anterior lobe larger than the others, concave or spoon-like and often coloured differently Corolla predominantly blue to whitish, asymmetrical in bud, distinctly zygomorphic when open; tube relatively short and broad, anteriorly gibbose; limb 5-lobed with 2 posterior lobes subequalling 2 lateral lobes and 1-anterior lobe larger than the others, concave or spoon-like and often coloured differently.
    Style
    Style terminal, slender, ± equalling the filaments; stigma 2-fid, the lobes usually unequal
    Fruits
    Fruit a 3–4-lobed drupe or drupaceous schizocarp, obovoid or globose; mesocarp ± fleshy; endocarp bony or crustaceous; each lobe containing a 1-seeded pyrene; seed without albumen. Fruit a 3–4-lobed drupe or drupaceous schizocarp, obovoid or globose; mesocarp ± fleshy; endocarp bony or crustaceous; each lobe containing a 1-seeded pyrene; seed without albumen.
    Leaves
    Leaf lamina usually broadest above the middle, usually discolorous and whitish or yellowish tomentose beneath; branches often densely hairy or tomentose towards the apices; short lateral flowering branches often present Leaves simple, opposite-decussate or 3–4-whorled, usually petiolate; lamina entire, undulate, dentate or crenate, distinctly acrid when crushed Leaves simple, opposite-decussate or 3–4-whorled, usually petiolate; lamina entire, undulate, dentate or crenate, distinctly acrid when crushed.
    Distribution
    A genus of 26–30 species, widespread throughout sub-Saharan Africa, with 1 species in tropical Asia eastwards to the Moluccas, and one species introduced and naturalized in Madagascar and the Indian Ocean islands.
    Habit
    Perennial herbs or suffrutices with woody rootstocks, sometimes geoxylic, shrubs, sometimes scandent, or small trees.
    Stamens
    Stamens 4(5?) inserted at the base of corolla-tube, parallel, long exserted, arched; anthers usually basifixed, thecae parallel, not confluent. Stamens 4(5?) inserted at the base of corolla-tube, parallel, long exserted, arched; anthers usually basifixed, thecae parallel, not confluent
    Ovary
    Ovary glabrous or hairy, 2-carpellate, each carpel incompletely divided into 2 locules; placentas not furcate; ovules 1 per locule. Ovary glabrous or hairy, 2-carpellate, each carpel incompletely divided into 2 locules; placentas not furcate; ovules 1 per locule
    Pistil
    Style terminal, slender, ± equalling the filaments; stigma 2-fid, the lobes usually unequal.

    Images

    Distribution

    Native to:

    Angola, Assam, Bangladesh, Benin, Borneo, Botswana, Burkina, Burundi, Cabinda, Cambodia, Cameroon, Cape Provinces, Caprivi Strip, Central African Repu, Chad, China South-Central, China Southeast, Congo, Djibouti, East Himalaya, Eritrea, Ethiopia, Free State, Gabon, Ghana, Guinea, India, Ivory Coast, Jawa, Kenya, KwaZulu-Natal, Laos, Lesotho, Lesser Sunda Is., Liberia, Madagascar, Malawi, Malaya, Maluku, Mozambique, Myanmar, Namibia, Nepal, Nigeria, Northern Provinces, Pakistan, Rwanda, Sierra Leone, Somalia, Sri Lanka, Sudan, Sulawesi, Sumatera, Swaziland, Tanzania, Thailand, Tibet, Uganda, Vietnam, West Himalaya, Zambia, Zaïre, Zimbabwe

    Introduced into:

    Seychelles, Trinidad-Tobago

    Rotheca Raf. appears in other Kew resources:

    First published in Fl. Tellur. 4: 69 (1838)

    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

    Flora Zambesiaca
    • Harley et al. in Kadereit (ed.), Fam. Gen. Vasc. Pl. (Kubitzki, ed. in chief) VII: 198 (2004).
    • Kadereit (ed.), Fam. Gen. Vasc. Pl. (Kubitzki, ed. in chief) VII : 198 (2004).
    • Kew Bull. 55 : 147–154 (2000).
    • R. Fernandes & Verdcourt in Kew Bull. 55: 147–154 (2000).
    • Novon 8 : 204–206 (1998).
    • Steane & Mabberley in Novon 8: 204–206 (1998).
    • Fl. Tellur. 4: 69 (1838).

    Sources

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

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2018. 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 2018. 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