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

        This species is accepted, and its native range is SW. Tanzania to N. Malawi.

    [FTEA]

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

    Habit
    Moderately or sparsely branched perennial to 130 cm. tall, though usually less; stem erect to slightly decumbent, finely pubescent at first but soon glabrescent.
    Leaves
    Leaves spirally arranged; petiole (0.4–)0.8–6.5(–8) cm. long, slender, finely pubescent or glabrous; lamina elliptic to ovate-elliptic or oblong-elliptic, (2–)3–13(–16) cm. long, (1.4–)1.8–5.5(–6.2) cm. broad, the apex acuminate, acute, the base shortly cuneate into the petiole, sparsely pubescent on both surfaces or subglabrous, or glabrescent beneath; lateral veins (6–)7–11 pairs; margin shallowly crenulate or crenate-dentate.
    Flowers
    Flowers solitary or more usually in fascicles of 2–4, epedunculate, deep red with white or creamish anthers, more rarely pinkish or whitish, the lateral united petals often with a yellowish zone in the centre.
    Bracts
    Bracts linear-subulate, 2–4 mm. long, inconspicuous.
    Pedicel
    Pedicels 3.2–7.5 cm. long, slender, pubescent or glabrous.
    Calyx
    Lower sepal narrowly bucciniform, 9–18 mm. long, gradually tapering into an incurved spur, 22–40 mm. in length overall, glabrous, the tip slightly swollen, slightly or conspicuously bilobed. Lateral sepals 2, ovate to ovate-oblong, 7–12 mm. long, 2.5–5 mm. broad, acuminate, often patent.
    Corolla
    Dorsal petal 8–17 mm. long, 5–12 mm. broad, cucullate, dorsally with a narrow crest terminating in a short acute point. Lateral united petals 10–17 mm. long, the upper petal of each pair slightly larger than the lower; upper petal obliquely oblong or oblong-elliptic, 6–9 mm. long, 4.5–5.5 mm. broad; lower petal ± oval, 4.5–9 mm. long, 3–4 mm. broad, slightly apiculate towards the top along the inner margin.
    Ovary
    Ovary glabrous.
    Fruits
    Fruit narrowly to broadly fusiform, 13–22 mm. long, 4–8 mm. broad, glabrous.
    Figures
    Fig. 4/62, p. 8.
    Habitat
    In upland rain-forest, generally in dense shade, occasionally on forest fringes; 1600–2400(–3150) m.
    Distribution
    T7

    Images

    Distribution

    Native to:

    Malawi, Tanzania

    Other Data

    Impatiens austrotanzanica Grey-Wilson appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1978 Cribb [10733], Tanzania K000419530 isotype
    Jan 1, 1976 Cribb [10733], Tanzania K000419529 holotype
    de Leyser, E.A., Tanzania 57953.000

    Bibliography

    First published in Kew Bull. 33: 641 (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.: 193, figs. 133, 134, pl. 46 (1980).
    • Grey-Wilson in Kew Bulletin 33: 641 (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