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  1. Family: Balsaminaceae A.Rich.
    1. Genus: Impatiens Riv. ex L.
      1. Impatiens burtonii Hook.f.

        This species is accepted, and its native range is Cameroon to E. Tropical Africa.

    [FWTA]

    Balsaminaceae, Hutchinson and Dalziel. Flora of West Tropical Africa 1:1. 1954

    Habit
    Erect or ascending herb, 2 ft. high
    Flowers
    Flowers pink, with green spur veined with purple, throat orange.
    [FTEA]

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

    Habit
    Prostrate, decumbent or ± erect perennial to 2 m. tall, though often less; stems rooting at the lower nodes, glabrous or pubescent above, or glabrescent.
    Leaves
    Leaves spirally arranged; petiole (0.2–)0.4–5 cm. long, slender; lamina ovate to ovate-oblong or elliptic-lanceolate, 0.9–14(–16) cm. long, 0.6–5.7(–6) cm. broad, the base rounded to subtruncate or cuneate, the apex usually shortly acuminate, more rarely subobtuse, finely pubescent on both surfaces or glabrous beneath; lateral veins 3–10 pairs; margin ± crenulate, with a few ± 1 mm. fimbriae towards the base.
    Flowers
    Flowers in axillary fascicles of 1–3, epedunculate, white or pale pink.
    Bracts
    Bracts linear-subulate, 2–4 mm. long, inconspicuous.
    Pedicel
    Pedicels 1.8–7 cm. long, slender, glabrous or sparsely pubescent.
    Calyx
    Lateral sepals 2, lanceolate or linear-lanceolate, 1.5–5 mm. long, glabrous or pubescent. Lower sepal navicular, 7–13 mm. long, 4–7 mm. deep, ± abruptly constricted into a 5–23 mm. long curved or ± straight filiform spur, finely pubescent especially along the keel of the lower sepal, rarely entirely glabrous.
    Corolla
    Dorsal petal 7–12 mm. long, 4–7 mm. broad, cucullate, dorsally with a narrow crest terminating in a short acute point, glabrous or with a few short hairs along the crest. Lateral united petals 13–33 mm. long, the upper petal of each pair ± one-third the size of the lower; upper petal ovate to ovate-elliptic, 6–10 mm. long, 3–7 mm. broad, entire or slightly apiculate; lower petal ovate to obovate or ± oblong, 10–20 mm. long, 7–14 mm. broad, with a slight emargination along the inner margin towards the top.
    Ovary
    Ovary glabrous.
    Fruits
    Fruit fusiform, 11–23 mm. long, 2.5–9 mm. broad, glabrous.

    Images

    Distribution

    Native to:

    Burundi, Cameroon, Kenya, Rwanda, Tanzania, Uganda, Zaïre

    Accepted Infraspecifics

    Synonyms

    Other Data

    Impatiens burtonii Hook.f. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Oct 1, 2003 Pollard, B.J. [591], Cameroon K000198468
    Oct 1, 2003 Ghogue, J.-P. [1004], Cameroon K000198469
    Jul 1, 2002 Lane, P. [105], Cameroon K000027111
    Jul 1, 2002 Cheek, M. [9460], Cameroon K000027114
    Jul 1, 2002 Cable, S. [3672], Cameroon K000027108
    Jul 1, 2002 Cable, S. [2668], Cameroon K000027116
    Jul 1, 2002 Etuge, M. [2549], Cameroon K000027109
    Jul 1, 2002 Etuge, M. [1302], Cameroon K000027110
    Jul 1, 2002 Etuge, M. [1788], Cameroon K000027115
    Jul 1, 2002 Ghogue, J.-P. [44], Cameroon K000027112
    Jul 1, 2002 Biye, E. [17], Cameroon K000027113
    Dec 1, 2000 Cable, S. [2976], Cameroon K000337740
    Dec 1, 2000 Etuge, M. [2226], Cameroon K000337741
    Dec 1, 2000 Zapfack, L. [865], Cameroon K000337743
    Dec 1, 2000 Zapfack, L. [794], Cameroon K000337739
    Feb 1, 1997 Munyenyembe, P. [708], Cameroon K000337744
    Feb 1, 1997 Buzgo, M. [591], Cameroon K000337745
    Aug 1, 1993 Wheatley, J.I. [381], Cameroon K000510981
    Aug 1, 1993 Cable, S. [6], Cameroon K000510988
    Jan 1, 1993 Thomas, D.W. [9168], Cameroon K000510985
    Jan 1, 1993 Tchouto (Mbatchou), P. [376], Cameroon K000510989
    Jun 1, 1975 Letouzey, R. [13228], Cameroon K000094437
    Jan 1, 1960 Morton, J.K. [815], Cameroon K000094452
    Apr 1, 1953 Keay, R.W.J. [FHI 28425], Cameroon K000094442
    Dec 1, 1952 Hutchinson, J. [41], Cameroon K000094445
    Dec 1, 1952 Hutchinson, J. [41], Cameroon K000094446
    Jan 1, 1908 Mann G. [1952], Cameroon K000094434
    Keay, R.W.J. [28425], Cameroon 27085.000
    Tweedie, E.M. [3586] 25694.243
    Coombe, D.E. [210], Cameroon 15320.000
    Hutchinson, J. [29], Cameroon K000094441
    Thomas, D.W. [5035], Cameroon K000094439
    Bridson [376], Rwanda 41496.000
    Brenan, J.P.M. [9337], Cameroon K000094453
    Mann G. [1247], Cameroon K000094435
    Dundas J. [20377], Cameroon K000094443
    Dundas J. [20382], Cameroon K000094444
    Deistel, H. [659], Cameroon K000094438
    Brunt, M.A. [595], Cameroon K000094448
    Brunt, M.A. [595], Cameroon K000094449
    Verdcourt, B. [1639], Kenya Impatiens eminii 15325.000
    Drummond [4755], Kenya Impatiens eminii 31290.000
    Tweedie, E.M. [3479], Uganda Impatiens eminii 30784.000
    Osmaston, H.A. [1313], Uganda Impatiens eminii 8893.000
    Wood, G.H.S. [510], Uganda Impatiens eminii 8892.000

    Bibliography

    First published in J. Proc. Linn. Soc., Bot. 7: 187 (1863)

    Accepted by

    • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
    • Lejoy, J., Ndjele, M.-B. & Geerinck, D. (2010). Catalogue-flore des plantes vasculaires des districts de Kisangani et de la Tshopo (RD Congo) Taxonomania 30: 1-307.
    • Grey-Wilson, C. (1982). Flora of Tropical East Africa, Balsaminaceae: 1-76.
    • Hutchinson, J., Dalziel, J.M. & Keay, R.W.J. (1954-1958). Flora of West Tropical Africa, ed. 2, 1: 1-828.
    • Robyns, W. & al. (eds.) (1948-1963). Flore du Congo Belge et du Ruanda-Urundi 1-10.

    Literature

    Flora of West Tropical Africa

    • —F.T.A. 1: 299.

    Kew Backbone Distributions

    • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
    • Lejoy, J., Ndjele, M.-B. & Geerinck, D. (2010). Catalogue-flore des plantes vasculaires des districts de Kisangani et de la Tshopo (RD Congo) Taxonomania 30: 1-307.
    • Grey-Wilson, C. (1982). Flora of Tropical East Africa, Balsaminaceae: 1-76.

    Flora of Tropical East Africa

    • Grey-Wilson, Impat. Afr.: 164 (1980).
    • Wilczek & Schulze in Flore du Congo Belge et du Ruanda-Urundi, 9: 413 (1960).
    • Keay, Flora of West Tropical Africa, ed. 2, 1: 161 (1954).
    • Gilg in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 43: 110 (1909).
    • Hook. f. in Flora of Tropical Africa 1: 299 (1868).
    • Hook. f. in Journal of the Linnean Society of London, Botany 7: 187 (1864)

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of West Tropical Africa
    Flora of West Tropical 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 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