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  1. Family: Rubiaceae Juss.
    1. Genus: Spermacoce L.
      1. Spermacoce phyteumoides Verdc.

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

    [FTEA]

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

    Habit
    Suberect or ± prostrate annual or perennial herb 15–40(–60) cm. tall; stems dark, covered with spreading white hairs.
    Leaves
    Leaf-blades elliptic-lanceolate, 2–7(–14) cm. long, 2.5–10(–13) mm. wide, acute at the apex, narrowed at the base into the stipule-sheath, glabrous on both surfaces save for hairs on the midrib beneath (but even these may be absent) or densely scabrid-hairy on both surfaces; margins always scabrid with short stiff hairs; stipule-bases very hairy, 2–3 mm. long, with 3–5 purple fimbriae 2.5–4.5 mm. long; stipules supporting the leaves which subtend the inflorescences with 7 fimbriae of varying thickness ± 5–6 mm. long and colleters 1.5 mm. long.
    Flowers
    Flowers in terminal heads very similar to those in species 30; bracteoles linear, 3–4 mm. long, ciliolate, hyaline.
    Calyx
    Calyx-tube oblong to obconic, 1–3 mm. long, without a free limb; lobes 2, linear to lanceolate, 3.5–5 mm. long, 0.6–1.3 mm. wide, with hairy margins.
    Corolla
    Corolla white or usually deep blue; tube 6–7 mm. long; lobes ovate-oblong, 2–4.5 mm. long, 1.2–2 mm. wide, with short to long hairs at the apex outside.
    Filaments
    Filaments exserted 2.5 mm.
    Pistil
    Style exserted 4 mm.; stigma 1.5 mm. wide.
    Fruits
    Capsule straw-coloured, streaked with brown or purplish, oblong-ellipsoid or obovoid, 2.5–3 mm. long, 1.5–2 mm. wide, 1 mm. thick, glabrous beneath, ± hairy at apex, crowned with the remains of the calyx-lobes.
    Seeds
    Seeds chestnut-brown, narrowly oblong-ellipsoidal, 2.5 mm. long, 1 mm. wide, 0.6 mm. thick, dorsally convex, ventrally sulcate, rugulose.
    [FZ]

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

    Habit
    Suberect or ± prostrate annual or perennial herb 15–40 (60) cm. tall; stems dark, covered with spreading white hairs.
    Leaves
    Leaf blades 2–7(14) cm. x 2.5–10(13) mm. wide, elliptic-lanceolate, acute at the apex, narrowed at the base into the stipule sheath, glabrous on both surfaces save for hairs on the midrib beneath (but even these may be absent) or densely scabrid-hairy on both surfaces; margins always scabrid with short stiff hairs; stipule bases very hairy, 2–3 mm. long, with 3–5 purple fimbriae 2.5–4.5 mm. long; stipules supporting the leaves which subtend the inflorescences with 7 fimbriae of varying thickness c. 5–6 mm. long and colleters 1.5 mm. long.
    Flowers
    Flowers in terminal heads very similar to those in species 23; bracteoles 3–4 mm. long, linear, ciliolate, hyaline.
    Calyx
    Calyx tube 1–3 mm. long, oblong to obconic, without a free limb, lobes 2, 3.5–5 x 0.6–1.3 mm. wide, linear to lanceolate, with hairy margins.
    Corolla
    Corolla white or usually deep blue; tube 6–7 mm. long; lobes 2–4.5 x 1.2–2 mm., ovate-oblong, with short to long hairs at the apex outside.
    Filaments
    Filaments exserted 2.5 mm.
    Pistil
    Style exserted 4 mm.; stigma 1.5 mm. wide.
    Fruits
    Capsule straw-coloured, streaked with brown or purplish, 2.5–3 x 1.5–2 x 1 mm., oblong-ellipsoid or obovoid, glabrous beneath, ± hairy at apex, crowned with the remains of the calyx lobes.
    Seeds
    Seeds chestnut-brown, 2.5 x 1 x 0.6 mm., narrowly oblong-ellipsoidal, dorsally convex, ventrally sulcate, rugulose.

    Images

    Distribution

    Native to:

    Tanzania, Zambia, Zaïre

    Accepted Infraspecifics

    Other Data

    Spermacoce phyteumoides Verdc. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Bidgood, S. [5400], Tanzania K000190630
    Bullock, A. A. [2636], Zambia K000173031 holotype

    Bibliography

    First published in Kew Bull. 30: 308 (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 Kew Bulletin 30: 308, fig. 9 (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