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  1. Family: Balsaminaceae A.Rich.
    1. Genus: Impatiens Riv. ex L.
      1. Impatiens mazumbaiensis Grey-Wilson

        This species is accepted, and its native range is Tanzania (W. Usambara Mountains).

    [FTEA]

    Balsaminaceae, C. Grey-Wilson. Flora of Tropical East Africa. 1993

    Habit
    Rather delicate annual or short-lived perennial; stems thin, decumbent to erect, sparingly branched, usually glabrous, rooting at the lower nodes.
    Leaves
    Leaves spirally arranged or occasionally subopposite, pale green, petiolate to subsessile; petiole 2–11 mm. long, slender; lamina elliptic to elliptic-ovate, 1.1–7.5 cm. long, 0.4–3.9 cm. broad, cuneate into the petiole, the apex subacute, sparsely pubescent on both surfaces; lateral veins 3–6 pairs; margin shallowly serrate-crenate.
    Flowers
    Flowers axillary, solitary or in fascicles of 2, epedunculate, pale mauvish pink with a whitish spur, the upper petal of each lateral united pair with a conspicuous magenta blotch towards the base.
    Bracts
    Bracts subulate, 2–2.5 mm. long, inconspicuous.
    Pedicel
    Pedicels 14–28 mm. long, slender.
    Calyx
    Lateral sepals lanceolate, 2–2.5 mm. long, 1 mm. broad, subacute, sparsely pubescent or glabrous. Lower sepal narrowly navicular, 5–6 mm. long, 2–2.5 mm. deep, abruptly constricted into a 7–10 mm. long curved filiform spur, glabrous or sparsely pubescent, especially along the keel of the lower sepal.
    Corolla
    Lateral united petals 8–10 mm. long; upper petal of each pair narrowly oval-falcate, 4.5–6 mm. long, 2–2.5 mm. broad, entire; lower petal narrowly oblong, 5.5–7 mm. long, 0.75–1.25 mm. broad, with a ± 2–2.5 × 1–1.5 mm. oblong lobe distally. Dorsal petal ovate, 4–5 mm. long, 5–6 mm. broad, slightly emarginate, dorsally with a narrow crest.
    Ovary
    Ovary glabrous.
    Fruits
    Fruit narrowly fusiform, 14–17 mm. long, 1.5–2 mm. broad.
    Figures
    Fig. 2/34, p. 4.
    Habitat
    In moist semi-shaded places, particularly along banks, pathsides, streams and irrigation ditches, generally amongst grasses and other low herbs; 800–1650 m.
    Distribution
    T3 known only from the W. Usambara Mts.

    Images

    Distribution

    Native to:

    Tanzania

    Other Data

    Impatiens mazumbaiensis Grey-Wilson appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1976 Drummond, R.B. [2671], Tanzania K000419486 holotype
    Tanzania 42510.000
    Cribb [10057], Tanzania 38601.000
    Drummond, R.B. [2671], Tanzania K000419488

    Bibliography

    First published in Kew Bull. 33: 645 (1979)

    Accepted by

    • Grey-Wilson, C. (1982). Flora of Tropical East Africa, Balsaminaceae: 1-76.

    Literature

    Kew Backbone Distributions

    • Grey-Wilson, C. (1982). Flora of Tropical East Africa, Balsaminaceae: 1-76.

    Flora of Tropical East Africa

    • Grey-Wilson in Impat. Afr.: 139, fig. 82, pl. 30 (1980).
    • Grey-Wilson in Kew Bulletin 33: 645 (1979)

    Sources

    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