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

[FZ]

Balsaminaceae, E. Launert. Flora Zambesiaca 2:1. 1963

Morphology General Habit
Perennial herb usually much branched; stems up to 1·5 m. long or even more, succulent, prostrate or ascending, rarely erect, red or green tinged with red, usually somewhat swollen at the nodes, glabrous or hairy (sometimes all over) with a very dense velvety indumentum.
Morphology Leaves
Leaves spirally arranged, sessile or petiolate; lamina (4) 6–13 (16) × (1) 1·5–3·5 (4·5) cm., lanceolate, oblong-lanceolate, ovate-lanceolate, oblong-elliptic or rarely elliptic, chartaceous, usually olive or dark green on the upper surface, glaucous, silvery or greyish-green on the lower one, glabrous on both surfaces or pubescent on the lower and glabrous or sparsely pilose on the upper one, or often with a very dense velvety indumentum below, apex acute or very rarely subobtuse and usually acuminate, margin crenate-denticulate or rarely serrate and sometimes ciliate towards the base, base cuneate or rarely subrounded; secondary nerves 8–13 pairs; petiole up to 3 cm. (in our region leaves subsessile in only specimen known), glabrous or more often pilose or pubescent.
Morphology Reproductive morphology Flowers
Flowers axillary, solitary or in clusters of 2 or 3, pale purple or violet; bracts up to 4 mm. long, lanceolate-triangular or subulate, acute, usually densely pilose, rarely glabrous; pedicels up to 9 cm. long, slender, pilose or glabrous.
Morphology Reproductive morphology Flowers Calyx
Lateral sepals 4–7 × 1·5–2·5 (3) mm., lanceolate to ovate-lanceolate, rarely oblong-lanceolate, acuminate, usually ± densely pilose, sometimes glabrous. Posterior sepal 9–14 mm. long, c. 2·5 mm. deep, shallowly and obliquely navicular, abruptly constricted into the spur, distally caudate, usually ± densely pilose, rarely glabrous; spur up to 5·5 cm. long, rather slender, subconical in the upper half, cylindric in the lower one, with a subacute end, ± densely pilose, rarely glabrous, strongly incurved when young, slightly incurved or often nearly straight when older.
Morphology Reproductive morphology Flowers Corolla
Anterior petal 8–15 mm. high and up to 17 mm. broad (when flattened), dorsally very narrowly cristate with crest often rim-like, apex usually entire, mucronate. Lateral united petals very variable in size, (13) 17–25 (30) mm. long, deeply 2-lobed; lobes nearly always ± overlapping, usually glabrous, rarely pubescent outside; anterior lobe 10–18 × 7–15 mm., obliquely semi-elliptic, semi-circular or rarely obovate, entire, with the lower margin usually ± straight; posterior lobe usually somewhat smaller (very rarely a little larger) than the anterior one, usually obovate, rarely subcircular, entire (see t. 26 fig. 13).
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary glabrous.
Morphology Reproductive morphology Fruits
Capsule up to 1·8 cm. long, fusiform, glabrous.
Morphology Reproductive morphology Seeds
Seeds numerous, c. 2·5 × 1·7 mm., obovate in outline, brownish, with a papillose surface, glabrous.

Native to:

Angola, Benin, Burundi, Cabinda, Cameroon, Central African Repu, Chad, Congo, Gabon, Ghana, Guinea, Ivory Coast, Liberia, Malawi, Nigeria, Rwanda, Senegal, Sierra Leone, Sudan, Tanzania, Uganda, Zambia, Zaïre

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

Date Reference Identified As Barcode Type Status
Jun 1, 2010 Cheek, M. [11779], Cameroon K000023355
Jun 1, 2010 Harvey, Y.B. [100], Cameroon K000023354
Aug 1, 2009 Etuge, M. [5130], Cameroon K000023352
Aug 1, 1972 Brunt, M.A. [333], Cameroon K000094432
Jan 1, 1908 Irving [s.n.], Nigeria K000419400
Jan 1, 1908 Illegible [possibly Barker] [3257], Nigeria K000419401
Tanzania 38681.000
39305.000
Nigeria K000419398
Dawkins, H.C. [413], Uganda 8898.000
Dalziel, J.M. [8217], Cameroon K000094433
Burtt, B.L. [B10], Nigeria 21860.000
Meikle, R.D. [604], Nigeria 8896.000
Meikle, R.D. [1237], Nigeria 8897.000
Scott Elliot, G.F. [4300], Sierra Leone K000419397 isotype
Kirk, J. [s.n.], Malawi K000419539
Kirk, J. [s.n.], Malawi K000419540
Irving [s.n.], Nigeria K000419399

First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 1: 300 (1868)

Accepted by

  • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
  • 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.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
  • Grey-Wilson, C. (1982). Flora of Tropical East Africa, Balsaminaceae: 1-76.
  • Berhaut, J. (1974). Flore illustrée du Sénégal 2: 1-695. Gouvernement du Sénégal, Ministère du développement rural direction des eaux et forêta, Dakar.
  • Lebrun, J.-P., Audru, J., Gaston, A. & Mosnier, M. (1972). Catalogue des Plantes Vasculaires du Tchad Méridional: 1-289. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
  • Exell, A.W., Fernandes, A. & Wild, H. (eds.) (1963). Flora Zambesiaca 2(1): 1-351. Royal Botanic Gardens, Kew.
  • 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

Kew Backbone Distributions

  • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
  • 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.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
  • Grey-Wilson, C. (1982). Flora of Tropical East Africa, Balsaminaceae: 1-76.
  • Berhaut, J. (1974). Flore illustrée du Sénégal 2: 1-695. Gouvernement du Sénégal, Ministère du développement rural direction des eaux et forêta, Dakar.
  • Lebrun, J.-P., Audru, J., Gaston, A. & Mosnier, M. (1972). Catalogue des Plantes Vasculaires du Tchad Méridional: 1-289. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
  • Exell, A.W., Fernandes, A. & Wild, H. (eds.) (1963). Flora Zambesiaca 2(1): 1-351. Royal Botanic Gardens, Kew.
  • Hutchinson, J., Dalziel, J.M. & Keay, R.W.J. (1954-1958). Flora of West Tropical Africa, ed. 2, 1: 1-828.

Flora Zambesiaca
Flora Zambesiaca
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of West Tropical Africa
Flora of West Tropical Africa

Herbarium Catalogue Specimens
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Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. 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 2021. 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