Skip to main content
  1. Family: Rubiaceae Juss.
    1. Genus: Spermacoce L.
      1. Spermacoce latituba (K.Schum.) Verdc.

        This species is accepted, and its native range is S. Tanzania to Mozambique.

    [FTEA]

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

    Habit
    Annual herb with ascending stems to over 50 cm. tall; stems 4-angled, glabrous to densely pilose.
    Leaves
    Leaf-blades linear-elliptic, 1–4.7 cm. long, 0.2–1.25 cm. wide, acute at the apex, narrowed at the base into the stipule-sheath, very shortly scabrid above and on the margin, or densely pilose above, glabrous to scabrid beneath; petioles ± obsolete; stipule-bases glabrous or scabrid-pubescent, 2 mm. long, with 4 fimbriae 1.5–3.5 mm. long.
    Flowers
    Flowers in well spaced clusters in the axils of the apical 3–5 nodes; leaf-like bracts 1–3.5 cm. long; stipuliform bracteoles with ciliate fimbriae 8 mm. long.
    Calyx
    Calyx-tube ellipsoid, glabrous or hairy above, 2 mm. long; lobes 4, triangular-lanceolate, 3 mm. long, 0.8 mm. wide, closely scabridulous-ciliate along the margins or sometimes quite hairy.
    Corolla
    Corolla white with faint mauve stripes; tube funnel-shaped, 8 mm. long, ± 7–8 mm. wide at the throat but strongly narrowed at the base to ± 1 mm.; lobes triangular, 3–4.5 mm. long, 3.2 mm. wide, glabrous to pubescent outside.
    Filaments
    Filaments exserted 2 mm.
    Pistil
    Style exserted 4–6 mm.; stigma capitate, 0.8 mm. wide.
    Inflorescences
    Inflorescences up to 1.8 cm. wide in fruit.
    Fruits
    Capsule oblong-ellipsoid, 4 mm. long and wide, finely transversely wrinkled, glabrous or hairy above, crowned with the persistent calyx-lobes.
    Seeds
    Seeds brown, oblong-ellipsoid, 3 mm. long, 1.5 mm. wide, 1 mm. thick, deeply grooved beneath.
    Figures
    Fig. 49/9, p. 340.
    Habitat
    Sandy lake shore; 465 m.
    Distribution
    T8
    [FZ]

    Rubiaceae, B. Verdcourt. Flora Zambesiaca 5:1. 1989

    Habit
    Annual herb with ascending stems to over 50 cm. tall or sometimes a shrub to 2 m.; stems 4-angled, glabrous to densely pilose.
    Leaves
    Leaf blades 1–5.5 x 0.2–1.6 cm., linear-elliptic, acute at the apex, narrowed at the base into the stipule sheath, very shortly scabrid above and on the margin, or densely pilose above, glabrous to scabrid beneath; petioles ± obsolete; stipule bases glabrous or scabrid-pubescent, 2 mm. long, with 4 fimbriae 1.5–3.5 mm. long.
    Flowers
    Flowers in well-spaced clusters in the axils of the apical 3–5 nodes; leaf-like bracts 1–3.5 cm. long; stipuliform bracteoles with ciliate fimbriae 8 mm. long.
    Calyx
    Calyx tube 2 mm. long, ellipsoid, glabrous or hairy above; lobes 4,3 x 0.8 mm., triangular-lanceolate, closely scabridulous-ciliate along the margins or sometimes quite hairy.
    Corolla
    Corolla white with faint mauve stripes; tube 8 x c. 7–8 mm., at the throat but strongly narrowed at the base to c. 1 mm.; funnel-shaped; lobes 3–4.5 x 3.2 mm., triangular, glabrous to pubescent outside.
    Filaments
    Filaments exserted 2 mm.
    Pistil
    Style exserted 4–6 mm.; stigma capitate, 0.8 mm. wide.
    Inflorescences
    Inflorescences up to 1.8 cm. wide in fruit.
    Fruits
    Capsule 4 mm. long and wide, oblong-ellipsoid, finely transversely wrinkled, glabrous or hairy above, crowned with the persistent calyx lobes.
    Seeds
    Seeds brown, 3 x 1.5 x 1 mm., oblong-ellipsoid, deeply grooved beneath.

    Images

    Distribution

    Native to:

    Malawi, Mozambique, Tanzania

    Synonyms

    Other Data

    Spermacoce latituba (K.Schum.) Verdc. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Buchanan [1138], Malawi K000173034 isotype

    Bibliography

    First published in Kew Bull. 30: 304 (1975)

    Accepted by

    • 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 Tropical East Africa

    • Verdc. in KB. 30: 304 (1975).

    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 2020. 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 2020. 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