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  1. Family: Balsaminaceae A.Rich.
    1. Genus: Impatiens Riv. ex L.
      1. Impatiens runssorensis Warb.

        This species is accepted, and its native range is E. DR Congo to SW. Uganda.

    [FTEA]

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

    Habit
    Straggling perennial to 2.5 m. in height, though usually less; stems generally well branched, sparsely to densely pilose in the upper part but becoming glabrescent below.
    Leaves
    Leaves in verticils of 2–4, rarely alternate, but then always with some whorled leaves on the same branch; petiole (0.8–)2–7.5 cm. long, pilose; lamina ovate or oblong, more rarely lanceolate, 2.6–10(–12) cm. long, 1.6–5.5(–6) cm. broad, apex acute or shortly acuminate, base ± rounded or shortly cuneate, sparsely to densely pilose above and below; lateral veins 7–10 pairs; margin crenulate or serrulate.
    Inflorescences
    Inflorescence a (1–)2–5-flowered subumbellate raceme; flowers orange-scarlet.
    Peduncles
    Peduncle 0.8–2.5 cm., ± upright, pilose.
    Bracts
    Bracts ovate or oblong, 4–10 mm. long, 2–4 mm. broad, acuminate, pilose.
    Pedicel
    Pedicels 12–38 mm. long, slender, pilose.
    Calyx
    Lateral sepals oblong, 8–10 mm. long, 4.5–7 mm. broad, acuminate, pilose. Lower sepal narrowly bucciniform, 14–16 mm. long, gradually tapering into an incurved spur, 22–35 mm. in length overall, tip rounded, sparsely pilose.
    Corolla
    Lateral united petals 11–17 mm. long, upper and lower petals almost equal in size; upper petal transversely oblong or elliptic, 10 mm. long and 3.5 mm. broad, shortly apiculate; lower petal oblong, 8–11 mm. long, 4–6 mm. broad. Dorsal petal 8–13 mm. long, 4–6 mm. broad (not flattened), cucullate, dorsally with a narrow pilose crest terminating in a short acute point.
    Ovary
    Ovary glabrous.
    Fruits
    Fruit fusiform, ± 14 mm. long, 5 mm. broad.
    Figures
    Fig. 4/54, p. 8.
    Habitat
    In upland rain-forest, usually in densely shaded areas, occasionally in bamboo thickets or along river margins; 2450–3600 m.
    Distribution
    U2

    Distribution

    Native to:

    Uganda, Zaïre

    Synonyms

    Other Data

    Impatiens runssorensis Warb. appears in other Kew resources:

    Bibliography

    First published in H.G.A.Engler (ed.), Pflanzenw. Ost-Afrikas, C: 254 (1895)

    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

    • Robyns, W. & al. (eds.) (1948-1963). Flore du Congo Belge et du Ruanda-Urundi 1-10.

    Flora of Tropical East Africa

    • Grey-Wilson, Impat. Afr.: 180, fig. 118 (1980).
    • Wilczek & Schulze in Flore du Congo Belge et du Ruanda-Urundi, 9: 402 (1960).
    • Robyns, Flore des Spermatophytes du Parc National Albert 1: 534 (1948).
    • G.M. Schulze in Notizblatt des Botanischen Gartens und Museums zu Berlin-Dahelm 12: 740 (1935).
    • Gilg in Wissenschaftliche Ergebnisse der Deutschen Zentral-Afrika-Expedition 1907-1908, 2 (Botanik) p. 485 (1912).
    • Chiov., Il Ruwenzori: 453 (1909).
    • Gilg in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 43: 103 (1909)
    • Warb. in Die Pflanzenwelt Ost-Afrikas und der Nachbargebiete, Theile C: 254 (1895).

    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