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

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

    [FTEA]

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

    Habit
    Erect perennial herb or subshrub 20–60 cm. tall from a woody stock; stems glabrous, lenticellate, drying dark and herbaceous above, only corky and striate at the extreme base, rather labiate-like in aspect.
    Leaves
    Leaves in whorls of 3, lanceolate to oblong-oblanceolate, 4–28 cm. long, 1–7 cm. wide, shortly acuminate at the apex, narrowed to the base, actually sessile, glabrous, irregularly serrate, perhaps somewhat fleshy; apparent winged petiole up to 5 cm. long.
    Flowers
    Flowers in cymes at separated leafless nodes forming a terminal inflorescence 8–12(–30) cm. long and in the axils of upper leaves, the upper nodes with reduced leaves forming linear-oblong bracts 0.8–1.5 cm. long, 2–5 mm. wide; pedicels 5–7 mm. long.
    Calyx
    Calyx-tube cupular, 3 mm. long; lobes broad and obtuse, rounded-oblong, 3 mm. long, 4 mm. wide, imbricate.
    Corolla
    Corolla bluish violet (Thomas), greenish yellow with lower lip bluish (Gürke), nearly white with lower lobe deep blue (Gillett); tube a little longer than the calyx; lower lip cymbiform.
    Fruits
    Fruit depressed, 7 mm. tall, 11 mm. wide; pyrenes with spaced ribs showing on outside of dry fruit.
    Figures
    Fig. 18/17,18, p. 123.
    Habitat
    Fireswept grassland with Combretum and other scattered trees, Brachystegia woodland; 114–175 m.
    Distribution
    T6 T8

    Distribution

    Native to:

    Mozambique, Tanzania

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

    First published in Kew Bull. 55: 149 (2000)

    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.

    Sources

    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