1. Family: Malvaceae Juss.
    1. Genus: Hibiscus L.
      1. Hibiscus debeerstii De Wild. & T.Durand

        This species is accepted, and its native range is W. & SW. Tanzania to S. Tropical Africa.

    [FZ]

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

    Habit
    Perennial herb up to 1·5 m. tall; stems with fuscous-stellate hairs and a finer pale green stellate pubescence.
    Leaves
    Leaf-lamina 2–6 × 0·3–2 cm., lanceolate to linear-oblong, stellate-pubescent to stellate-pilose on both surfaces, somewhat scabrid, apex acute, margin serrate, base obtuse to rounded 3–5-nerved; petiole up to 15 mm. long; stipules 4–6 mm. long, filiform.
    Flowers
    Flowers 1·5–3 cm. in diam., red, solitary, axillary and forming racemes or panicles at the apices of the stems by reduction of the upper leaves; peduncle up to 3·5 cm. long, hairy like the stems, articulated 5–8 mm. below the apex.
    Epicalyx
    Epicalyx of 6–7 (10) bracts, equalling or exceeding the calyx; bracts 4–7 mm. long, filiform.
    Calyx
    Calyx up to 5 mm. long, fuscous-pilose; lobes 4–5 × 2·2–5 mm., ovate-lanceolate.
    Corolla
    Petals 12–18 mm. long, obovate.
    Stamens
    Staminal tube 3 mm. long; free parts of filaments 1–2 mm. long.
    Style
    Style-branches 2–5 mm. long.
    Fruits
    Capsule 8–10 × 10–12 mm., depressed-subglobose, puberulous.
    Seeds
    Seeds with white silky floss.
    [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: Congo-Kinshasa, Katanga, Pala, Debeerst 11 (BR, holo.)
    Habit
    Erect wiry herb to 2 m tall.
    Stem
    Stems appressed stellate-hispid, becoming longitudinally ridged with age
    Leaves
    Leaves ovate to elliptic, 1.4–6.2 × 0.5–3.2 cm, apex acute, obtuse or rounded, base rounded or truncate, margin serrate, shortly stellate-hispid below, stellate- and simple-hispid above; petiole 2–16 mm long, spreading stellate-hispid; stipules subulate, 2–3.5 × ± 0.2 mm, hispid
    Flowers
    Flowers solitary in the upper leaf axils; pedicel 1.6–3 cm long, articulated in the upper half, appressed stellate-hispid, the hairs above articulation rusty-brown; epicalyx of 10 linear bracts 4–6.5 × 0.2–0.3 mm, sparsely hispid, exceeding the sepals; calyx lobes ovate-acuminate 4–4.5 × 2 mm, fused in the lower third, densely rusty-brown setose
    Corolla
    Corolla 1.4–2.5 cm long, bright red, densely stellate-hispid on the outside, glabrous on the inside.
    Stamens
    Staminal tube 6–10 mm long; filaments 2–3 mm long; exserted part of styles 3–7 mm long, glabrous
    Fruits
    Capsule globose, 6–8 mm in diameter, sparsely pubescent.
    Seeds
    Seeds reniform, dark brown, 2 × 1.5 mm, the hairs up to 8 mm long, dark brown.
    Ecology
    Open woodland and forest margins; 800–1100 m
    Distribution
    Flora districts: T4 T7 Range: Congo-Kinshasa, Zambia, Malawi, Mozambique
    [FZ]

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

    Habit
    Perennial herb 1–1·5 m. tall; stems with somewhat appressed-fuscous-stellate hairs.
    Leaves
    Leaf-lamina up to 10 × 2·5 cm., narrowly oblong-lanceolate, stellate-pubescent on both surfaces, apex acute, margin serrate, base truncate to slightly cordate 5-nerved; petiole up to 2·5 cm. long; stipules 3 mm. long, filiform.
    Flowers
    Flowers 2·5–3·5 cm. in diam., scarlet, solitary, axillary, and forming racemes at the apices of the stems by reduction of the upper leaves; peduncle up to 3·5 cm. long.
    Epicalyx
    Epicalyx of 7–8 bracts; bracts 3–6 mm. long, filiform.
    Calyx
    Calyx up to 8 mm. long, fuscous-pilose; lobes up to 8 × 2·5 mm., lanceolate, acute.
    Corolla
    Petals 15–18 mm. long, obovate, with scattered stellate hairs.
    Stamens
    Staminal tube 5–6 mm. long; free parts of filaments 1–2 mm. long.
    Style
    Style-branches 4·5–6 mm. long.
    Fruits
    Capsule 8–9 mm. in diam., puberulous.
    Seeds
    Seeds nearly glabrous.

    Images

    Distribution

    Native to:

    Malawi, Mozambique, Tanzania, Zambia, Zaïre

    Hibiscus debeerstii De Wild. & T.Durand appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1967 unknown [226] Hibiscus nyikensis K000240656 lectotype
    Jan 1, 1957 Whyte, A. [s.n.] Hibiscus nyikensis K000240657 syntype

    First published in Bull. Soc. Roy. Bot. Belgique, Compt. Rend. 38: 21 (1899)

    Accepted by

    • Verdcourt, B. & Mwachala, G.M. (2009). Flora of Tropical East Africa, Malvaceae: 1-170.
    • Exell, A.W. & Wild, H. (eds.) (1961). Flora Zambesiaca 1(2): 337-581. Royal Botanic Gardens, Kew.
    • Robyns, W. & al. (eds.) (1948-1963). Flore du Congo Belge et du Ruanda-Urundi 1-10.

    Literature

    Kew Backbone Distributions
    • Exell, A.W. & Wild, H. (eds.) (1961). Flora Zambesiaca 1(2): 337-581. Royal Botanic Gardens, Kew.
    • Robyns, W. & al. (eds.) (1948-1963). Flore du Congo Belge et du Ruanda-Urundi 1-10.
    Flora of Tropical East Africa
    • K.B. 31: 165 (1976).
    • F.C.B. 10: 126 (1963)
    • F.Z. 1 (2): 452 (1961)
    • Compt. Rend. Soc. Bot. Belg. 38: 21(1899)

    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