1. Family: Rubiaceae Juss.
    1. Leptactina Hook.f.

      1. This genus is accepted, and its native range is Tropical & S. Africa.

    [FTEA]

    Rubiaceae, B. Verdcourt. Flora of Tropical East Africa. 1976

    Habit
    Shrubs or small trees, nearly always erect, rarely slightly scrambling or one species a prostrate shrubby herb
    Leaves
    Leaves petiolate, opposite, sometimes slightly unequal, usually with distinct pubescent domatia; stipules usually conspicuous
    Flowers
    Flowers mostly rather large, hermaphrodite, 4–6-merous in few–many-flowered cymes at the extremities of terminal shoots and lateral branches
    Calyx
    Calyx-tube ellipsoid or obconic; tubular part of limb ± obsolete or only evident in fruit; lobes contorted, foliaceous, subequal, mostly erect during flowering, venose, persistent
    Corolla
    Corolla-tube long, narrowly cylindrical; lobes linear or linear-lanceolate to elliptic, usually long and pointed, spreading, contorted in bud
    Stamens
    Stamens sessile, inserted below the level of the throat, included or apex of anthers exserted, occasionally locellate; pollen grains single
    Pistil
    Ovary 2-locular; ovules numerous on placentas attached to the septum; style usually with pollen-collecting hairs at the level of the anthers; stigma with 2 linear lobes exserted or mostly included
    Fruits
    Fruit subglobose or oblong to oblong-conic, scarcely or slightly fleshy, often longitudinally ribbed
    Seeds
    Seeds numerous, small, mostly angular, smooth and glossy, with a hilar pit.
    [FZ]

    Rubiaceae, D.M.Bridson & B.Verdcourt. Flora Zambesiaca 5:3. 2003

    Habit
    Shrubs or small trees, nearly always erect, rarely slightly scrambling or one species a prostrate subshrub.
    Leaves
    Leaves petiolate, opposite, sometimes slightly unequal in size, usually with distinct pubescent domatia; stipules usually conspicuous.
    Flowers
    Flowers mostly rather large, hermaphrodite, 4–6-merous in few- to many-flowered cymes at the extremities of terminal shoots and lateral branches.
    Calyx
    Calyx tube ellipsoid or obconic; limb-tube ± obsolete or only evident in fruit; lobes contorted, foliaceous, ± equal, mostly erect during flowering, venose, persistent.
    Corolla
    Corolla tube long, narrowly cylindrical; lobes linear or linear-lanceolate to elliptic, usually long and pointed, spreading, contorted in the bud.
    Stamens
    Stamens sessile, inserted below the level of the throat, included or anther apices exserted.
    Pistil
    Ovary 2-locular; ovules numerous on placentas attached to the septum; style usually with pollen collecting hairs at the level of the anthers; stigma/pollen presenter with 2 linear lobes, exserted or mostly included.
    Fruits
    Fruit subglobose or oblong to oblong-conic, scarcely or slightly fleshy, often longitudinally ribbed.
    Seeds
    Seeds numerous, small, mostly angular, smooth and glossy.
    [FTEA]

    Rubiaceae, B. Verdcourt. Flora of Tropical East Africa. 1976

    Habit
    Shrubs or small trees
    Leaves
    Leaves petiolate, opposite, with domatia; stipules flattened, triangular and erect or rounded and bent back
    Flowers
    Flowers 5-merous, pedicellate, hermaphrodite, in terminal corymbs
    Calyx
    Calyx-tube ovoid or turbinate; tubular part of limb short; lobes ± erect, contorted
    Corolla
    Corolla with tube about equalling the lobes; lobes narrowly lanceolate, contorted
    Anthers
    Anthers exserted, subsagittate, the thecae simple, or locellate with 4 vertical lines of small compartments
    Pistil
    Ovary thick-walled, 2-locular with an ovate peltate placenta covered with very numerous ovules; style rather thick, with an exserted bilobed stigma
    Fruits
    Fruits globose or ellipsoid, crowned with the persistent calyx-lobes
    Seeds
    Seeds squarish, angular, small, black, shining and smooth, with a hilar pit.

    Images

    Distribution

    Native to:

    Angola, Benin, Botswana, Burundi, Cabinda, Cameroon, Central African Repu, Congo, Equatorial Guinea, Gabon, Ghana, Guinea, Guinea-Bissau, Gulf of Guinea Is., Ivory Coast, Kenya, KwaZulu-Natal, Liberia, Malawi, Mali, Mozambique, Nigeria, Northern Provinces, Rwanda, Sierra Leone, Sudan, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

    Leptactina Hook.f. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Cruse, A.W. [204], Zambia 4704.000

    First published in Hooker's Icon. Pl. 11: t. 1092 (1871)

    Accepted by

    • Neuba, D.F.R., Malan, D.F. & Kouadio, Y.L. (2014). Notes sur le genre Africain Leptactina Hook.f. (Rubiaceae, Pavetteae) Adansonia, sér. 3, 36: 121-153.
    • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Flora of West Tropical Africa
    • K. Schum. in E. & P. Pflanzenfam. 4, 4: 73 (1891).
    • —F.T.A. 3: 87
    Flora Zambesiaca
    • Robbrecht in Pl. Syst. Evol. 145: 105–118, figs. 2, 3 (1984).
    • Verdcourt in Kew Bull. 33: 491 (1979).
    • N. Hallé in Fl. Gabon, no. 17, Rubiacées (2e partie): 70 (1970).
    • in Hooker’s Icon. Pl. 11: 73, t. 1092 (1871).
    Flora of Tropical East Africa
    • Robbrecht in Pl. Syst. Evol. 145: 105–118, figs. 2, 3 (1984)
    • Hallé in Fl. Gabon 17, Rubiacées 2: 70 (1970)
    • Ic. Pl. 11: 73, t. 1092 (1871)

    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.

    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