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

        This species is accepted, and its native range is Rwanda to Tanzania.

    [FTEA]

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

    Habit
    Epiphytic perennial, sometimes terrestrial, with a thin rhizomatous stock; stems thickened, simple or weakly branched, rooting at the lower nodes, glabrous.
    Leaves
    Leaves spirally arranged, congested towards the shoot apices; petiole 1.7–5 cm. long, usually with several ± 1 mm. long fimbriae towards the top; lamina ovate or lanceolate to elliptic, (3–)3.5–15.5 cm. long, 1.2–4.5 cm. broad, the apex acute to long-acuminate, the base shortly cuneate, glabrous or pubescent above, glabrous beneath; lateral veins 4–6 pairs; margin shallowly crenate.
    Flowers
    Flowers solitary or paired, epedunculate, the lower sepal and spur red, the petals pale green or yellowish.
    Bracts
    Bracts subulate, ± 1–1.5 mm. long, inconspicuous.
    Pedicel
    Pedicels 3–4.6 cm. long, slender.
    Calyx
    Lateral sepals linear-lanceolate, 1.5–2.3(–3) mm. long, acute, reflexed. Lower sepal 8–12 mm. long, 17–18 mm. deep, saccate, abruptly constricted into a narrow 8–10 mm. long incurved obtuse-tipped spur.
    Corolla
    Lateral united petals 9–10 mm. long; upper petal of each pair oblong-rectangular, 5–6 mm. long, 4–5.5 mm. broad, entire; lower petal oval, 3–5 mm. long, 2.5–3 mm. broad, entire. Dorsal petal 9–10 mm. long, 6–7 mm. broad, cucullate.
    Ovary
    Ovary glabrous.
    Fruits
    Fruit unknown.
    Figures
    Fig. 4/59, p. 8.

    Distribution

    Native to:

    Burundi, Rwanda, Tanzania

    Accepted Infraspecifics

    Synonyms

    Other Data

    Impatiens keilii Gilg appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    La Croix, I.F., Tanzania 58387.000
    Polhill, R. [1775], Tanzania Impatiens epiphytica 3731.000
    Grey-Wilson, C. [955] Impatiens epiphytica 37261.000

    Bibliography

    First published in Bot. Jahrb. Syst. 43: 106 (1909)

    Accepted by

    • Grey-Wilson, C. (1982). Flora of Tropical East Africa, Balsaminaceae: 1-76.
    • Robyns, W. & al. (eds.) (1948-1963). Flore du Congo Belge et du Ruanda-Urundi 1-10.

    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.: 189, fig. 126, pl. 49 (1980).
    • Wilczek & Schulze in Flore du Congo Belge et du Ruanda-Urundi, 9: 407 (1960).
    • Gilg in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 43: 106 (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 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