1. Family: Malvaceae Juss.
    1. Genus: Hibiscus L.
      1. Hibiscus zanzibaricus Exell

        This species is accepted, and its native range is Tanzania (incl. Zanzibar, Pemba) to S. Tropical Africa.

    [FTEA]

    Malvaceae, Bernard Verdcourt & Geoffrey Mwachala. Pavonia, B Verdcourt; Kosteletzkya, OJ Blanchard Jr.; Gossypium, P Fryxell & B Verdcourt. Flora of Tropical East Africa. 2009

    Type
    Type: Tanzania: Zanzibar, Muyuni, Vaughan 39, (BM!, holo; EA, iso.)
    Habit
    Prostrate or erect herb 0.3–1.5 m tall.
    Stem
    Stems shortly stellate-hispid, pubescent, becoming glabrous and longitudinally ridged with age
    Leaves
    Leaves ovate, linear or shallowly to deeply 3-lobed, 0.9–7 × 0.4–5 cm, apex acute, obtuse or rounded, base cuneate, truncate or subcordate, margin crenate or serrate, hispid above and below; petiole 1–5 cm long, stellate-hispid, pubescent or not; stipules linear-subulate, 3–6 × 0.5 mm, sparsely hispid
    Flowers
    Flowers solitary in upper leaf axils or in terminal paniculate inflorescences; pedicel 1.2–3 cm long, hispid, articulated in the upper half; epicalyx of 6–8 linear bracts 2 × 0.5 mm, hispid; calyx lobes narrowly lanceolate or lanceolate, 4–6 × 1.5–2 mm, fused in the basal half, with a prominent median vein, hispid
    Corolla
    Corolla 8–12 mm long, red, stellate-hispid and pubescent on the outside, glabrous inside.
    Stamens
    Staminal tube 6–10 mm long; filaments 1–2 mm long; exserted part of styles 3–4 mm long, glabrous
    Fruits
    Capsule spherical, 6–7 mm in diameter, sparsely pubescent.
    Seeds
    Seeds wedge-shaped, black, 2 × 1.5 mm, the hairs 4–6 mm long.
    Ecology
    Grassland and woodland; 0–500 m
    Distribution
    Flora districts: T4 T6 T8 ZP Range: Malawi, Mozambique
    [FZ]

    Malvaceae, A. W. Exell. Flora Zambesiaca 1:2. 1961

    Habit
    Annual or perennial herb up to c. 1 m. tall; stems ± patent-stellate-setose with additional smaller simple or branched hairs.
    Leaves
    Leaf-lamina up to 7 × 5 cm., broadly ovate to narrowly oblong, sometimes hastate, with a tendency to become shallowly or deeply 3-lobed, sparsely to densely stellate-setose on both surfaces, apex usually acute, margin irregularly bluntly toothed, base rounded to cordate 5–7-nerved; petiole up to 4·5 cm. long; stipules 2–4 mm. long, setaceous.
    Flowers
    Flowers up to 1·5 cm. in diam., red, solitary, axillary and forming terminal racemes or panicles by reduction of the upper leaves; peduncle up to 3·5 cm. long, articulated 3–5 (10) mm. below the apex.
    Epicalyx
    Epicalyx of 6–7 bracts; bracts 2–3 mm. long, linear.
    Calyx
    Calyx 6 mm. long; lobes 4–5 mm. long, lanceolate.
    Corolla
    Petals 8–9 mm. long, obovate, stellate-setose outside, glabrous inside.
    Stamens
    Staminal tube 4–5 mm. long; free parts of filaments 0·5–1 mm. long.
    Style
    Style-branches 2–2·5 mm. long.
    Fruits
    Capsule 6–8 × 8–9 mm., subglobose, minutely pubescent.
    Seeds
    Seeds with a white silky floss.

    Images

    Distribution

    Native to:

    Malawi, Mozambique, Tanzania, Zambia

    Hibiscus zanzibaricus Exell appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    unknown [s.n.] K000240695

    First published in J. Bot. 66: 327 (1928)

    Accepted by

    • Verdcourt, B. & Mwachala, G.M. (2009). Flora of Tropical East Africa, Malvaceae: 1-170.

    Literature

    Kew Backbone Distributions
    • Verdcourt, B. & Mwachala, G.M. (2009). Flora of Tropical East Africa, Malvaceae: 1-170.
    • Brenan, J.P.M. (1970). Flora Zambesiaca 3(1): 1-153. Royal Botanic Gardens, Kew.
    Flora of Tropical East Africa
    • U.O.P.Z.: 298 (1949).
    • J.B. 66: 327 (1928)

    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

    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