1. Family: Lamiaceae Martinov
    1. Genus: Rotheca Raf.
      1. Rotheca sansibarensis (Gürke) Steane & Mabb.

        This species is accepted, and its native range is S. Somalia to Mozambique.

    [FZ]

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

    Type
    Type from Tanzania.
    [FTEA]

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

    Habit
    Shrub (0.4–)2–6 m. tall, erect, scrambling or ? sometimes truly climbing; young stems glabrous to hairy with grey or pale yellow-brown hairs; older stems straw-coloured, glabrous to pubescent.
    Leaves
    Leaves said to smell offensive, opposite; blades ovate to elliptic-ovate, 4–21(–25) cm. long, 2–11 cm. wide, tapering acuminate to a very sharp apex, attenuate into the petiole, entire to obscurely or more rarely coarsely crenate-serrate, glabrous to sparingly pubescent above and beneath, especially on the nerves, to quite velvety beneath; petiole 0.3–3.5 cm. long.
    Inflorescences
    Cymes dichasial, axillary in upper axils and terminal forming leafy pyramidal inflorescences to 20 cm. long, 18 cm. wide; peduncles 4–8 cm. long; pedicels 2 mm. long but apparent pedicels (with bracdets) 1.5 cm. long; all axes glabrous to pubescent; upper leaf-like bracts sessile, ovate, ± cordate.
    Calyx
    Calyx-tube broadly obconic, 2–3 mm. long, 4 mm. wide; lobes ovate-triangular, 1.5–2.5 mm. long, rounded, soon reflexed, gland-dotted inside.
    Corolla
    Corolla-tube greenish white or green, asymmetric, 8–10 mm. long; throat hairy; lobes:4 white, 1 pale blue-green, mauve-blue or purple, 4 oblong, 8–9.5 mm. long, 3.5–5(–9) mm. wide, largest blue one spathulate, 1.3–1.6 cm. long, 3.5–5(–9) mm. wide; limb in bud glabrous to velvety tomentose and gland-dotted, the lobes ciliate.
    Stamens
    Stamens exserted 2.8–3.5 cm.
    Fruits
    Fruit scarlet to reddish black, depressed-subglobose, 6–7 mm. long, 7–11 mm. wide, 3–4-lobed; fruiting calyx plate-like, 6 mm. wide, the lobes 3.5 mm. long, 1.2 mm. wide, ciliolate, often strongly reflexed; fruiting pedicels 7 mm. long.

    Distribution

    Native to:

    Kenya, Malawi, Mozambique, Somalia, Tanzania, Zambia, Zaïre

    Rotheca sansibarensis (Gürke) Steane & Mabb. appears in other Kew resources:

    First published in Novon 8: 205 (1998)

    Accepted by

    • Thulin, M. (ed.) (2006). Flora of Somalia 3: 1-626. The Royal Botanic Gardens, Kew.
    • 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
    • Kew Bull. 55 : 153 (2000).
    • Mem. Soc. Brot. 30 : 101 (1998).
    • F.T.E.A., Verbenaceae: 126 (1992).
    • Bot. Jahrb. Syst. 68 : 81 (1936).
    Kew Backbone Distributions
    • Strugnell, A.M. (2006). A checklist of the Spermatophytes of Mt. Mulanje, Malawi Scripta Botanica Belgica 34: 1-199.
    • Thulin, M. (ed.) (2006). Flora of Somalia 3: 1-626. The Royal Botanic Gardens, Kew.
    • Fernandes, R. & Diniz, M.A. (2005). Avicenniaceae, Nesogenaceae, Verbenaceae and Lamiaceae (subfams, Viticoideae and Ajugoideae) Flora Zambesiaca 8(7): 1-161. Royal Botanic Gardens, Kew.

    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