1. Family: Balsaminaceae A.Rich.
    1. Genus: Impatiens Riv. ex L.
      1. Impatiens meruensis Gilg

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

    [FTEA]

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

    Habit
    Decumbent to erect perennial herb to 1 m. tall, though often less, sometimes ± scrambling over supporting vegetation; stems simple to moderately branched, often rooting at the lower nodes, pubescent, usually densely so when young, but gradually glabrescent.
    Leaves
    Leaves spirally arranged; petiole 0.4–6 cm. long, slender, generally glabrescent, often with several 1–2 mm. long fimbriae towards the top; lamina ovate to ovate-lanceolate, lanceolate or ± elliptical, (2–)2.5–11 cm. long, 1.3–5.5 cm. broad, the base somewhat attenuate, the apex acuminate; pubescent on both surfaces, usually densely so when young; lateral veins 5–11 pairs; margin finely crenate-dentate, the lowermost teeth usually filiform, 1–2 mm. long.
    Flowers
    Flowers solitary or in fascicles of 2(–3), epedunculate, pale to deep pink or ± mauve, the upper petal of each lateral united pair with a magenta or purplish elongate blotch towards the base.
    Bracts
    Bracts subulate, ± 1–3 mm. long, pubescent, inconspicuous.
    Pedicel
    Pedicels 3.2–7.7 cm. long, slender, pubescent, rarely glabrescent.
    Calyx
    Lateral sepals linear, 4–6 mm. long, pubescent. Lower sepal obliquely and narrowly navicular, 8–12 mm. long, abruptly constricted into a 12–47 mm. long curved filiform spur, usually pubescent at least in part.
    Corolla
    Dorsal petal suborbicular to obovate, 7–17 mm. long, 8–22 mm. broad, emarginate, dorsally with a narrow crest terminating in a short acute point. Lateral united petals 7–25 mm. long; upper petal of each pair oblong to narrowly obovate, 8–18 mm. long, 4–9 mm. broad, emarginate to entire; lower petal of each pair narrowly obovate, somewhat asymmetrically, 5–18 mm. long, 3–9.5 mm. broad, with a slight emargination distally, along the inner margin.
    Ovary
    Ovary glabrous.
    Fruits
    Fruit fusiform, 11–17 mm. long, 3–6 mm. broad, glabrous.

    Distribution

    Native to:

    Tanzania

    Impatiens meruensis Gilg appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Milne-Redhead [7027], Tanzania 38679.000

    First published in Bot. Jahrb. Syst. 43: 113 (1909)

    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, Impat. Afr.: 122, fig. 65 (1980).
    • Gilg in EJ. 43: 113 (1909).

    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.

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2018. 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 2018. 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