1. Family: Malvaceae Juss.
    1. Genus: Hibiscus L.
      1. Hibiscus calyphyllus Cav.

        This species is accepted, and its native range is Eritrea to S. Africa, W. Indian Ocean.

    [FZ]

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

    Habit
    Shrub or perennial herb up to 3 m. tall; stems tomentose or pubescent when young, later glabrescent.
    Leaves
    Leaf-lamina up to 12 × 12 cm., suborbicular in outline, obscurely or distinctly 3–5-lobed, stellate-pubescent or stellate-pilosulose above, stellate-pubescent or stellate-pilose or stellate-tomentose beneath, apex acute, margin serrate, base cordate or subcordate; petiole usually up to 9 (18) cm. long, stellate-pilose; stipules up to 15 mm. long, filiform or subsetaceous, somewhat expanded at the base.
    Flowers
    Flowers up to 12 cm. in diam., yellow usually with a brownish or dark red centre, solitary, axillary; peduncle c. 7 (10) mm. long, stellate-pubescent, usually rather inconspicuously articulated near the base.
    Epicalyx
    Epicalyx of 5 bracts, stellate-pubescent; bracts up to 18 mm. long, varying greatly in shape but nearly always broadest near the middle then narrowed suddenly to a caudate tip which is a prolongation of the midrib, joined for 3–4 mm. at the base.
    Calyx
    Calyx up to 16 mm. long, stellate-tomentellous; lobes ovate to ovate-lanceolate, usually 3-nerved, joined to nearly half-way.
    Corolla
    Petals up to 6 × 4·5 cm., obliquely obovate, pubescent outside, glabrous within.
    Stamens
    Staminal tube up to 15 mm. long; free parts of filaments 1·5–3 mm. long.
    Style
    Style-branches 4–5 mm. long.
    Fruits
    Capsule 25 × 15 mm., ellipsoid; valves aristate.
    Seeds
    Seeds 3 × 2·5 mm., subreniform, tomentellous.
    [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: Ethiopia, Tigray, Djeladjeranne, Schimper 510 (MAD lecto.; K!, P, isolecto.)
    Habit
    Shrub up to 3 m tall, unarmed.
    Branches
    Branches tomentose or pubescent when young, becoming glabrous, bark striate
    Leaves
    Leaves concolorous, 3-lobed or simple, ovate to narrowly ovate, 3.8–21 × 1.8–22 cm, apex acuminate, base cordate to truncate, margins crenate-serrate, sparsely pubescent above, pubescence not obscuring the leaf surface above, stellate-pubescent to stellate-tomentose below, the hairs sparse or obscuring the leaf surface below; petiole terete, 1.5–15.5 cm long; stipules filiform, 5–20 × 1–2 mm, glabrous
    Flowers
    Flowers solitary in leaf axils; pedicel 0.7–1.7 cm long, pubescent, articulated at base; epicalyx of five bracts, widest at or near the middle and narrowing to the base and toward the apex, 10–25 × 3–8 mm, stellate-pubescent, always longer than calyx; calyx lobes ovate or narrowly ovate, 10–25 × 5–9 mm, joined to half their length, stellate-pubescent, each with one main rib-like vein and a minor one on either side of it
    Corolla
    Corolla 3–5.7 cm long, yellow with dark red spot at base, stellate-pubescent on the outside, glabrous inside.
    Stamens
    Staminal tube 1–1.8 cm long; filaments 0.1–0.3 cm long; exserted length of style 0.5–0.1 cm long, style branches ± glabrous
    Fruits
    Capsule ovoid, 1.7–2.6 cm long, 1–2 cm diameter, stellate-setose, valves awned.
    Seeds
    Seeds reniform, 3 × 2.5 mm, appressed tomentose
    Figures
    Fig 10: 6–8, p 62
    Ecology
    Forest edges and glades, riverine forest, bushland; 0–2600 m
    Distribution
    Flora districts: U1 U2 U3 U4 K1 K2 K3 K4 K5 K6 K7 T1 T2 T3 T4 T6 Range: Tropical and Southern Africa, Indian Ocean Islands

    Images

    Distribution

    Native to:

    Angola, Botswana, Burundi, Cape Provinces, Eritrea, Ethiopia, Free State, Kenya, KwaZulu-Natal, Madagascar, Malawi, Mauritius, Mozambique, Namibia, Northern Provinces, Rwanda, Réunion, Saudi Arabia, Sudan, Swaziland, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

    Introduced into:

    Hawaii

    Hibiscus calyphyllus Cav. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1985 unknown [510], Ethiopia K000240739
    Jan 1, 1985 unknown [1717], Ethiopia K000240740
    Irwin, Kenya 15361.000
    Luke, W.R.Q. [10309], Kenya K000197333
    s.coll. [Cat. no. 2694], India Hibiscus borbonicus K001116824

    First published in Diss. 4: 283 (1787)

    Accepted by

    • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
    • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
    • Verdcourt, B. & Mwachala, G.M. (2009). Flora of Tropical East Africa, Malvaceae: 1-170.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
    • Edwards, S., Tadesse, M. & Hedberg, I. (eds.) (1995). Flora of Ethiopia and Eritrea 2(2): 1-456. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    • 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.

    Not accepted by

    • Bosser, J. & al. (eds.) (1987). Flore des Mascareignes 51-62: 1. IRD Éditions, MSIRI, RBG-Kew, Paris. [Cited as Hibiscus ovalifolius.]

    Literature

    Kew Backbone Distributions
    • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
    • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
    • Collenette, S. (1999). Wildflowers of Saudi Arabia: 1-799. National commission for wildlife conservation and development (NCWCD), Kingdom of Saudi Arabia.
    • Edwards, S., Tadesse, M. & Hedberg, I. (eds.) (1995). Flora of Ethiopia and Eritrea 2(2): 1-456. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    • Exell, A.W. & Wild, H. (eds.) (1961). Flora Zambesiaca 1(2): 337-581. Royal Botanic Gardens, Kew.
    Flora of Tropical East Africa
    • Fl. Eth. & Eritr. 2(2): 192 (1995).
    • K.T.S.L.: 173 (1994)
    • U.K.W.F. ed. 2: 99 (1994)
    • Blundell, Wild Fl. E Afr: 76, fig 446 (1992)
    • F.C.B. 10: 99 (1963)
    • F.Z. 1(2): 459 tab. 89 (1961)
    • E.P.A.: 558 (1959)
    • F.P.S. 2: 27 (1952)
    • Engl. Pflanzenw. Afr. 3, 2: 397 fig.186 U-W (1921)
    • Ann. Conserv. Jard. Bot. Geneve, 4: 99 (1900)
    • Diss. Bot. 5: 283, t. 140 (1788)

    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