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

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

    [FTEA]

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

    Habit
    Low creeping perennial; stems prostrate, rooting at the lower nodes and with procumbent to erect flowering shoots 10–15 cm. tall, glabrous.
    Leaves
    Leaves spirally arranged; petiole 4–23 mm. long, slender, glabrous; lamina ovate to ovate-deltoid, 9–33 mm. long, 8–24 mm. broad, the base subtruncate, the apex acuminate, acute, glabrous or with a few hairs on the midrib and lateral veins above; lateral veins 3–5 pairs; margin crenate-dentate.
    Inflorescences
    Inflorescence a 1–3(–4)-flowered subumbellate-raceme; flowers pink with a whitish spur and with white and yellow markings at the base of the lateral united petals.
    Peduncles
    Peduncle 12–25 mm. long, slender, glabrous, suberect.
    Bracts
    Bracts linear-lanceolate, 2–2.5 mm. long, acute, generally 1–several more than the number of flowers in the inflorescence.
    Pedicel
    Pedicels 7–15 mm. long, slender.
    Calyx
    Lateral sepals 2, narrowly ovate-lanceolate, 2.5–3 mm. long, subobtuse. Lower sepal narrowly navicular, 7–8 mm. long, 2.5 mm. deep, abruptly constricted into a 22–25 mm. long curved filiform spur.
    Corolla
    Lateral united petals 11–14 mm. long; upper petal ± obovate, 8–11 mm. long, 4.5–6.5 mm. broad, entire; lower petal narrowly oval to oval-elliptical, 9.5–12 mm. long, 5–5.5 mm. broad, entire or slightly emarginate at the apex. Dorsal petal obcordate, 8–10 mm. long, 11–12 mm. broad, dorsally with a narrow crest.
    Ovary
    Ovary glabrous.
    Fruits
    Fruit and seeds unknown.
    Figures
    Fig. 2/6, p. 4.
    Habitat
    In dense upland rain-forest, especially elfin forest in deep shade, generally amongst moss and low herbs on the forest floor; 1550–2350 m.
    Distribution
    T6 not known elsewhere

    Images

    Distribution

    Native to:

    Tanzania

    Impatiens serpens Grey-Wilson appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1976 Cribb [10473], Tanzania K000419448 holotype

    First published in Kew Bull. 33: 648 (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.: 84, fig. 25 (1980).
    • Grey-Wilson in Kew Bulletin 33: 648 (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 2019. 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 2019. 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