1. Family: Lamiaceae Martinov
    1. Genus: Rotheca Raf.
      1. Rotheca violacea (Gürke) Verdc.

        This species is accepted, and its native range is Tropical & S. Africa.

    [FWTA]

    Verbenaceae, H. Huber, F. N. Hepper & R. D. Meikle. Flora of West Tropical Africa 2. 1963

    Habit
    A straggling or climbing shrub
    Leaves
    Almost glabrous leaves
    Flowers
    Conspicuous violet, violet white or greenish flowers up to 1 in. across
    Inflorescences
    Inflorescence a terminal panicle.
    [FTEA]

    Verbenaceae, B. Verdcourt. Flora of Tropical East Africa. 1992

    Habit
    Liane to 5 m., the old stems sometimes leafless, grey-green or darker, 4-angled or finely ridged, with short pale ferruginous pubescence or glabrescent; lateral leafy shoots with ± condensed internodes at the base.
    Leaves
    Leaves drying pale or dark, elliptic, 3–13.5 cm. long, 1.5–7(–10) cm. wide, acuminate at the apex, narrowly cuneate at the base into distinct petiole or very attenuate at base and true petiole short, thin, entire or slightly to coarsely serrate, the teeth not spreading, apiculate, ± glabrous to sparsely pubescent above and on venation beneath; petiole 0.2–2.5 cm. long.
    Inflorescences
    Inflorescences leafy, few–many-flowered, terminal on main and lateral shoots, 8–20 cm. long, the cymes axillary in sessile ovate acuminate or cordate leaf-like bracts 5 cm. long, 3 cm. wide; upper bracts lanceolate 5–10 mm. long, 1–2 mm. wide; individual cymes 1–2-flowered; axes finely pubescent; peduncle up to 2.5 cm. long; calyx pubescent; tube cupular, 4–6 mm. long; lobes broadly rounded to ovate, up to 5 mm. long and wide, densely gland-dotted within.
    Corolla
    Corolla violet, violet and white or greenish or, in Ugandan subsp., cream tinged green with posterior petal pale mauve; tube 6–10 mm. long; lobes 0.8–1.6 cm. long, 5–5.5 mm. wide.
    Stamens
    Stamens exserted 1–3.5 cm.
    Fruits
    Fruit red, depressed globose, 8 mm. tall, 1.1 cm. wide, 3–4-seeded.
    Distribution
    Guineé to Cameroon and Zaire T8

    Images

    Distribution

    Native to:

    Burundi, Cabinda, Cameroon, Congo, Gabon, Ghana, Guinea, Ivory Coast, KwaZulu-Natal, Liberia, Mozambique, Nigeria, Sierra Leone, Uganda, Zambia, Zaïre, Zimbabwe

    Rotheca violacea (Gürke) Verdc. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Nov 1, 2008 Pollard, B.J. [1379], Cameroon Clerodendrum violaceum K000580259
    Jul 1, 2007 Tchiengue, B. [1862], Cameroon Clerodendrum violaceum K000339375
    Jan 1, 2004 Onana, J.-M. [2051], Cameroon Clerodendrum violaceum K000213074
    Aug 1, 2001 Cheek, M. [9126], Cameroon Clerodendrum violaceum K000108850
    Jan 1, 2000 Tchouto (Mbatchou), P. [105], Cameroon Clerodendrum violaceum K000011982
    Dec 1, 1989 Leeuwenberg, A.J.M. [9599], Cameroon Clerodendrum violaceum K000029567
    Feb 1, 1989 Leeuwenberg, A.J.M. [9952], Cameroon Clerodendrum violaceum K000029568
    Jan 1, 1976 Satabie, B. [301], Cameroon Clerodendrum violaceum K000029566
    Maitland, T.D. [554], Cameroon Clerodendrum violaceum K000029561
    Maitland, T.D. [1648], Cameroon Clerodendrum violaceum K000029557
    Maitland, T.D. [1648], Cameroon Clerodendrum violaceum K000029563
    Hutchinson, J. [159], Cameroon Clerodendrum violaceum K000029562
    Zenker, G.A. [1428], Cameroon Clerodendrum violaceum K000192858
    Kalbreyer W. [94], Cameroon Clerodendrum violaceum K000029565 Unknown type material
    Brunt, M.A. [107], Cameroon Clerodendrum violaceum K000029560

    First published in Kew Bull. 55: 154 (2000)

    Accepted by

    • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
    • Calane da Silva, M., Izdine, S. & Amuse, A.B. (2004). A Preliminary Checklist of the Vascular Plants of Mozambique: 1-184. SABONET, Pretoria.
    • 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

    Kew Backbone Distributions
    • Jongkind, C. (2014). Fauna & Flora of Liberia, flowering plant species list www.liberianfaunaflora.org.
    • Fernandes, R.B. (2006). Contribução para o conhecimento das Avicenniaceae e Verbenaceae da Flora de Angola Garcia de Orta, Série de Botânica 17(2): 5-68.
    • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Calane da Silva, M., Izdine, S. & Amuse, A.B. (2004). A Preliminary Checklist of the Vascular Plants of Mozambique: 1-184. SABONET, Pretoria.

    Sources

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

    Flora of West Tropical Africa
    Flora of West Tropical Africa
    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 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