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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

Native to:

Uganda, Zaïre

Impatiens runssorensis Warb. appears in other Kew resources:

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).

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 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