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This species is accepted, and its native range is Tanzania (W. Usambara Mountains).

[FTEA]

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

Habit
Rather delicate annual or short-lived perennial; stems thin, decumbent to erect, sparingly branched, usually glabrous, rooting at the lower nodes.
Leaves
Leaves spirally arranged or occasionally subopposite, pale green, petiolate to subsessile; petiole 2–11 mm. long, slender; lamina elliptic to elliptic-ovate, 1.1–7.5 cm. long, 0.4–3.9 cm. broad, cuneate into the petiole, the apex subacute, sparsely pubescent on both surfaces; lateral veins 3–6 pairs; margin shallowly serrate-crenate.
Flowers
Flowers axillary, solitary or in fascicles of 2, epedunculate, pale mauvish pink with a whitish spur, the upper petal of each lateral united pair with a conspicuous magenta blotch towards the base.
Bracts
Bracts subulate, 2–2.5 mm. long, inconspicuous.
Pedicel
Pedicels 14–28 mm. long, slender.
Calyx
Lateral sepals lanceolate, 2–2.5 mm. long, 1 mm. broad, subacute, sparsely pubescent or glabrous. Lower sepal narrowly navicular, 5–6 mm. long, 2–2.5 mm. deep, abruptly constricted into a 7–10 mm. long curved filiform spur, glabrous or sparsely pubescent, especially along the keel of the lower sepal.
Corolla
Lateral united petals 8–10 mm. long; upper petal of each pair narrowly oval-falcate, 4.5–6 mm. long, 2–2.5 mm. broad, entire; lower petal narrowly oblong, 5.5–7 mm. long, 0.75–1.25 mm. broad, with a ± 2–2.5 × 1–1.5 mm. oblong lobe distally. Dorsal petal ovate, 4–5 mm. long, 5–6 mm. broad, slightly emarginate, dorsally with a narrow crest.
Ovary
Ovary glabrous.
Fruits
Fruit narrowly fusiform, 14–17 mm. long, 1.5–2 mm. broad.
Figures
Fig. 2/34, p. 4.
Habitat
In moist semi-shaded places, particularly along banks, pathsides, streams and irrigation ditches, generally amongst grasses and other low herbs; 800–1650 m.
Distribution
T3 known only from the W. Usambara Mts.

Native to:

Tanzania

Impatiens mazumbaiensis Grey-Wilson appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 1976 Drummond, R.B. [2671], Tanzania K000419486 holotype
Tanzania 42510.000
Cribb [10057], Tanzania 38601.000
Drummond, R.B. [2671], Tanzania K000419488

First published in Kew Bull. 33: 645 (1979)

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 Impat. Afr.: 139, fig. 82, pl. 30 (1980).
  • Grey-Wilson in Kew Bulletin 33: 645 (1979)

Flora of Tropical East Africa
Flora of Tropical East Africa
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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