1. Family: Malvaceae Juss.
    1. Genus: Hibiscus L.
      1. Hibiscus holstii Mwachala

        This species is accepted, and its native range is SE. Kenya to E. Tanzania.

    [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
    Typus: Tanzania, Lushoto District: Usambaras, Holst 3198 (K!, holo.)
    Habit
    Scandent shrub.
    Stem
    Stems 3–10 m long, aculeate with prickles recurved and swollen at base, otherwise glabrous but for longitudinal lines or areas of pubescence
    Leaves
    Leaf lamina ovate to broadly suborbicular, 3–12 × 2–15 cm, 3-lobed, rarely not lobed, lobes acute, apex acute base truncate or cordate, margins irregularly serrate, glabrous to glabrescent with prickles on the veins of the under surface, sinuses acute, midrib (and often the two adjacent veins) with a longitudinal fissure-like gland up to 3 mm long near the base; petiole 3–11 cm, glabrous but for a line of pubescence adaxially; stipules linear or filiform, 6–8 mm long, aculeate
    Flowers
    Flowers solitary in the leaf axils; pedicel 1–6 cm long, articulated in the top quarter, shortly pubescent; epicalyx of 7–8 bracts 7–10 mm long, forked, the outer branch somewhat reflexed, shortly stellate-pubescent with scattered setae; calyx lobes lanceolate, 13–22 × 6–10 mm, acute, fused for half their length, hispid on the midrib and margins
    Corolla
    Corolla 5–7 cm long, pubescent outside, glabrous inside.
    Stamens
    Staminal tube 14–25 mm long; filaments 0.5–1 mm long; exserted part of styles 0.6–1 cm long, glabrous
    Fruits
    Capsule spherical or elliptic, 20 mm long, 18 mm diameter, shorter than the calyx, densely appressed setose.
    Seeds
    Seeds subreniform, brown, 4 × 3 mm, with pectinate scales on a background of concentric rings.
    Ecology
    Bush and forest on limestone; 70–500 m
    Note
    Close to Hibiscus rostellatus Guill. & Perr. from which it differs in its glabrous stem, glabrous or glabrescent leaves and shape of its leaf lobes, which are longer than broad.
    Distribution
    Flora districts: K7 T3 T6 Range: Not known elsewhere

    Distribution

    Native to:

    Kenya, Tanzania

    Hibiscus holstii Mwachala appears in other Kew resources:

    First published in Fl. Trop. E. Africa, Malv.: 40 (2009)

    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.

    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