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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

Morphology General Habit
Rather delicate annual or short-lived perennial; stems thin, decumbent to erect, sparingly branched, usually glabrous, rooting at the lower nodes.
Morphology 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.
Morphology Reproductive morphology 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.
Morphology Reproductive morphology Inflorescences Bracts
Bracts subulate, 2–2.5 mm. long, inconspicuous.
Morphology Reproductive morphology Flowers Pedicel
Pedicels 14–28 mm. long, slender.
Morphology Reproductive morphology Flowers 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.
Morphology Reproductive morphology Flowers 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.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary glabrous.
Morphology Reproductive morphology 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
'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.
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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