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

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

    [FTEA]

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

    Habit
    Erect annual 14–45 cm. tall; stems simple or moderately branched, mainly in the lower half, succulent and rather delicate, glabrous, pale green or reddish.
    Leaves
    Leaves opposite, rarely ternate; petiole 0.8–4 cm. long, slender, glabrous; lamina ovate to ovate-elliptic or lanceolate-elliptic, 3.3–6.5 cm. long, 2.2–4.5 cm. broad, the base rounded to subtruncate or somewhat attenuate into the petiole, the apex acuminate, sparsely pubescent or glabrous above, glabrous beneath; lateral veins 4–5 pairs; margin serrate-crenate, rather coarse, the lowermost teeth generally filiform and 1–1.5 mm. long.
    Flowers
    Flowers axillary, solitary or in pairs, pale pink or whitish with a white lower sepal and spur, the upper lateral petals with a conspicuous elongated magenta or purplish blotch.
    Bracts
    Bracts linear, 1–2 mm. long, inconspicuous.
    Pedicel
    Pedicels very slender, 1.4–3 cm. long.
    Calyx
    Lateral sepals narrowly ovate, 2–3 mm. long. Lower sepal obliquely navicular, 6.5–7 mm. long, 4–5 mm. deep, somewhat constricted into a broad slightly curved spur, 2–2.5 mm. long.
    Corolla
    Dorsal petal semi-cucullate, 7–7.5 mm. long, 7–8 mm. broad (when flattened). Lateral united petals 14–17 mm. long, with a short 2–2.5 mm. long filiform appendage inserted opposite the sinus of the upper and lower lateral petals and extending backwards into the lower sepal; upper petal of each pair narrowly triangular, 7–9 mm. long, 3–4.5 mm. broad, obtuse; lower petal unevenly bilobed, 11–12 mm. long overall, the upper lobe suborbicular, 2–3.5 mm. long, 2–3.5 mm. broad, the lower lobe ligulate, broadening somewhat towards the base, 7–8 mm. long, 2–3 mm. broad.
    Ovary
    Ovary glabrous.
    Fruits
    Fruit fusiform, ± 9 mm. long, glabrous.
    Figures
    Fig. 3/53, p. 6.
    Habitat
    Upland rain-forest, on riverside rocks, or on moist rocks or beneath overhangs on exposed mountain ridges; 1000–1400 m.
    Distribution
    not known elsewhere T6 T7

    Distribution

    Native to:

    Tanzania

    Other Data

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

    Bibliography

    First published in Bot. Jahrb. Syst. 73: 466 (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 in Kew Bulletin 35: 181, fig. 3 (1980).
    • Grey-Wilson, Impat. Afr.: 179, fig. 117 (1980)
    • G.M. Schulze in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 73: 466 (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