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  1. Family: Balsaminaceae A.Rich.
    1. Genus: Impatiens Riv. ex L.
      1. Impatiens humifusa G.M.Schulze

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

    [FTEA]

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

    Habit
    Creeping perennial, sparingly branched, glabrous; stems decumbent to erect, 30–40 cm. tall, rooting at the lower nodes.
    Leaves
    Leaves spirally arranged; petiole 4–30 mm. long, slender; lamina ovate to rhombic-ovate, 1.8–6.5 cm. long, 1.6–4.3 cm. broad, subacute, the base subrounded to somewhat attenuate; lateral veins 3–5 pairs; margin crenate to crenate-serrate with several short (1–2 mm. long) fimbriae towards the base.
    Inflorescences
    Inflorescence a 1–3-flowered axillary subumbellate raceme; flowers dark pinkish red with a whitish spur.
    Peduncles
    Peduncle 19–30 mm. long, erect.
    Bracts
    Bracts 2–3, linear-lanceolate, 3–5 mm. long, acute.
    Pedicel
    Pedicels 18–30 mm. long, slender, becoming deflexed in fruit.
    Calyx
    Lateral sepals ovate, 4–5 mm. long, 3 mm. broad, subacute, asymmetrical. Lower sepal narrowly navicular, 10–11 mm. long, 3–4 mm. deep, abruptly constricted into a 50–60 mm. long, curved filiform spur which tapers gradually towards the tip.
    Corolla
    Dorsal petal obcordate, 16–18 mm. long, 14–22 mm. broad, dorsally with a narrow crest. Lateral united petals 20–22 mm. long; upper petal of each pair narrow-obcordate, 15–17 mm. long, 10–12 mm. broad, often slightly apiculate; lower petal asymmetrically obovate, 18–20 mm. long, 9–11 mm. broad, distally with a slight emargination along the inner margin.
    Ovary
    Ovary glabrous.
    Fruits
    Fruit and seeds unknown.
    Figures
    Fig. 2/16, p. 4.
    Habitat
    In dense upland rain-forest, often creeping over rocks; 900–1300 m.
    Distribution
    T6 not known elsewhere

    Distribution

    Native to:

    Tanzania

    Other Data

    Impatiens humifusa G.M.Schulze appears in other Kew resources:

    Bibliography

    First published in Bot. Jahrb. Syst. 73: 465 (1944)

    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.: 107, figs. 48,49 (1980).
    • G.M. Schulze in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 73: 465 (1944).

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/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