1. Family: Rubiaceae Juss.
    1. Genus: Mitrasacmopsis Jovet
      1. Mitrasacmopsis quadrivalvis Jovet

        This species is accepted, and its native range is Rwanda to S. Tropical Africa, Madagascar.

    [FZ]

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

    Habit
    Herb 8–40 cm. tall, with glabrous to sparsely hairy square stems.
    Leaves
    Leaf blades 0.8–3.2 x 0.1–1.1 cm., acute or subacute but mucronulate at the apex, cuneate at the base, margin often narrowly revolute, glabrescent to scabridulous above, glabrous beneath or the midvein and margins ciliate; petiole obsolete or very short; stipular fimbriae up to 1.5–2 mm. long from a base 0.2–1.5 mm. long, hairy.
    Pedicel
    Pedicels obsolete or up to 3 mm. long in the fruiting stage.
    Calyx
    Calyx puberulous to densely scabrid pubescent; tube shallow, 0.5 mm. long or less, 1–1.1 mm. wide; lobes 0.5–0.8 x 0.3 mm.
    Corolla
    Corolla white, pink or pale mauve, tube 0.6–1 mm. long, widest at the base; lobes 0.4–0.7 x 0.4 mm., ovate, papillate inside.
    Pistil
    Style 0.3–0.6 mm. long; stigmas linear, 0.2–0.3 mm. long.
    Fruits
    Capsule 2 mm. wide, beak 1 mm. long and wide, puberulous to densely scabrid pubescent.
    Seeds
    Seeds brown c. 20 per capsule, c. 0.3 mm. long.
    [FTEA]

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

    Habit
    Herb 8–40 cm. tall, with glabrous to sparsely hairy square stems.
    Leaves
    Leaf-blades 0.8–3.2 cm. long, 0.1–1.1 cm. wide, acute or subacute but mucronulate at the apex, cuneate at the base, margin often narrowly revolute, glabrescent to scabridulous above, glabrous beneath or the midvein and margins ciliate; petiole obsolete or very short; stipular fimbriae up to 1.5–2 mm. long from a base 0.2–1.5 mm. long, hairy.
    Pedicel
    Pedicels obsolete or up to 3 mm. long in the fruiting stage.
    Calyx
    Calyx puberulous to densely scabrid pubescent; tube shallow, 0.5 mm. long or less, 1–1.1 mm. wide; lobes 0.5–0.8 mm. long, 0.3 mm. wide.
    Corolla
    Corolla white, pink or pale mauve, tube 0.6–1 mm. long, widest at the base; lobes ovate, 0.4–0.7 mm. long, 0.4 mm. wide, papillate inside.
    Pistil
    Style 0.3–0.6 mm. long; stigmas linear, 0.2–0.3 mm. long.
    Fruits
    Capsule 2 mm. wide, beak 1 mm. long and wide, puberulous to densely scabrid pubescent.
    Seeds
    Seeds brown, ± 20 per capsule, ± 0.3 mm. long.
    Figures
    Fig. 32.
    Habitat
    Floor of Brachystegia spiciformis open woodland, also shallow soil on rock ledges, etc.; 950–1200 m.
    Distribution
    T1 T4

    Images

    Distribution

    Native to:

    Angola, Burundi, Madagascar, Rwanda, Tanzania, Zambia, Zaïre

    Mitrasacmopsis quadrivalvis Jovet appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Aug 1, 2008 Bingham, M.G. [12452], Zambia K000265260
    May 1, 1974 Haarer, A.E. [2182], Tanzania K000414406 Unknown type material
    Bidgood, S. [5439], Tanzania K000190669
    Bidgood, S. [5487], Tanzania K000190717

    First published in Arch. Mus. Natl. Hist. Nat., sér. 6, 12: 590 (1935)

    Accepted by

    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • 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: 291 (1975).
    • Jovet in Archiv. Mus. Nat. Hist. Paris, sér. 6, 12: 590, figs. 1–14 (1935).

    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