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This species is accepted, and its native range is Nigeria to Ethiopia and Limpopo, Madagascar.
A specimen from Kew's Herbarium

[FWTA]

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

Morphology General Habit
Creeping or weakly erect herb
Morphology Reproductive morphology Flowers Corolla
Corolla very pale mauve to purple.

[FZ]

Violaceae, N. K. B. Robson. Flora Zambesiaca 1:1. 1960

Morphology General Habit
Perennial herb.
Morphology Stem
Stems up to 60 cm. long, trailing or creeping and rooting at the nodes, often growing erect through surrounding vegetation, angular or ± winged, glabrous or ± hirsute.
Morphology Leaves
Leaves petiolate; lamina 0.9–3.2 x 0.7–2.8 cm., broadly ovate to ovate-orbicular, rounded to shortly acuminate at the apex, cordate at the base, shallowly crenate-dentate, membranous, ± hirsute below, glabrous or ± hirsute between the main veins above; stipules and lamina often with reddish resinous streaks or dots; petiole 4–32 mm. long, usually shorter than the lamina, ± quadrangular, channelled above, glabrous or rarely ± hirsute, slender; stipules foliaceous, ovate to linear-lanceolate, laciniate, glabrous or ± hirsute.
Morphology Reproductive morphology Flowers
Flowers single, axillary, pedicellate; pedicels 1–4 cm. long, slender, glabrous or ± hirsute, with two laciniate bracteoles in the upper part.
Morphology Reproductive morphology Flowers Calyx
Sepals linear to lanceolate, unequal, the lower pairs ± asymmetrical and curved upward, acute, entire, glabrous or ± hirsute, sometimes with reddish resinous streaks; appendages ± absent.
Morphology Reproductive morphology Flowers Corolla
Petals only slightly exceeding the sepals, oblong to obovate, rounded or obtuse, unequal, glabrous or hirsute along the midrib, mauvish-white to bluish-violet, paler towards the base, sometimes with reddish resinous dots; anterior petal 5–8 mm. long with a cylindric spur 2–3 mm. long, as long as the other petals or up to 1/3 shorter, with dark striations; lateral and upper petals paler, without dark striations.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers oblong-elliptic, shortly pubescent; connective-appendage orange, ± obtuse; tips of the spur-appendages hirsute.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary ± globose, glabrous; style about equal to the ovary, cbconic, ± truncate or unequally 2-lobed at the apex.
Morphology Reproductive morphology Fruits
Capsule 4–6 mm. long, pale yellow, 3-sided, acute, glabrous, coriaceous.
Morphology Reproductive morphology Seeds
Seeds 1–2 mm. long, numerous per capsule, ellipsoid to globular.

[FTEA]

Violaceae, C. Grey-Wilson. Flora of Tropical East Africa. 1986

Morphology General Habit
Perennial herb; stems up to 60 cm. long, trailing or straggling through surrounding vegetation, often rooting at the nodes, glabrous or sparsely pubescent.
Morphology Leaves
Leaf-lamina broadly ovate, (9–)14–40 mm. long, (7–)12–33)mm. wide, generally longer than wide, the base cordate, the apex subobtuse to short acuminate, margin shallowly crenate-dentate, ± pubescent beneath, pubescent mainly between the lateral veins above; petiole 6–32 mm. long, pubescent or ± glabrous.
Morphology Leaves Stipules
Stipules foliaceous, ovate to lanceolate, 4–12 mm. long, laciniate, particularly in the lower half, pubescent or subglabrous.
Morphology Reproductive morphology Flowers
Flowers solitary, axillary, whitish, pale blue, purplish, mauve or violet-blue, the lip with darker striations; pedicels slender, (l–)2.8–7.2 cm. long, pubescent to glabrous, with a pair of linear-subulate bracteoles in the upper half, each 2–5 mm. long.
Morphology Reproductive morphology Flowers Calyx
Sepals subequal, lanceolate or linear-lanceolate, 5–7 mm. long, without basal appendages, generally hirsute along the midrib, sometimes with a ciliate margin.
Morphology Reproductive morphology Flowers Corolla
Petals unequal; upper 2 oblong to obovate, 7–9 mm. long, obtuse; lateral 2 ± oblanceolate, 7–9 mm. long, obtuse; lower petal (lip) elliptic, 5–7 mm. long, subobtuse, with a cylindric spur at the base, 2–4 mm. long, obtuse.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens ± one-third the length of the lateral petals, with orange or brownish connective appendages.
Morphology Reproductive morphology Flowers Gynoecium Style
Styles slightly exserted beyond the anthers.
Morphology Reproductive morphology Fruits
Capsule 6–7 mm. long, smooth, glabrous.
Figures
Fig. 7/1–3.
Habitat
Upland forest margins, upland grassland, bushland and bamboo thickets; 1200–2700(–3350)m.
Distribution
K1 K3 K4 K5 K6 K7 T2 T3 T4 T6 T7 T8 U1 U2

Native to:

Burundi, Cameroon, Ethiopia, Gulf of Guinea Is., Kenya, Madagascar, Malawi, Mozambique, Nigeria, Northern Provinces, Rwanda, Sudan, Tanzania, Uganda, Zambia, Zimbabwe

Viola abyssinica Steud. ex Oliv. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jun 1, 2002 Cheek, M. [9180], Cameroon K000026792
Jan 1, 1993 Thomas, D.W. [9173], Cameroon K000540118
Jan 1, 1980 Fries, R.E. [386], Kenya K000231120 isotype
Jan 1, 1960 Morton, J.K. [827], Cameroon K000105814
Jan 1, 1949 Brenan, J.P.M. [9358], Cameroon K000105812
Jan 1, 1949 Brenan, J.P.M. [9358], Cameroon K000105813
Drummond, R.B. [1545], Tanzania 3174.000
Verdcourt, B. [1992], Kenya 4937.000
Tweedie, E.M. [1275], Kenya 687.000
Tweedie [815], Kenya 9024.000
Schimper [983], Ethiopia K000230895 isotype
Schimper, W. [609], Ethiopia K000230896
Johnson, W.P. [s.n.] K000230897
Schimper [983], Ethiopia K000230898 isotype
Schimper [1461], Ethiopia K000230899
Timberlake, J. [5187], Mozambique K000613915
Maitland, T.D. [1013], Cameroon K000105811
Hepper, F.N. [2087], Cameroon K000105809
Thomas, D.W. [2935], Cameroon K000105806
Christenhusz, M.J.M., Kamau, P., Mbale, M. [6652], Kenya K000696657
Migeod, F. [251], Cameroon K000105808
Sanford, W.W. [5509], Cameroon K000105805
Hedberg, O. [93103], Cameroon K000087442
Patel, H. [7383], Mozambique K000613645
Morton, J.K. [624], Cameroon K000105810
Timberlake, J. [5137], Mozambique K000613517
Maitland, T.D. [1324], Cameroon K000105815
Harris, T. [175], Mozambique K000613250

First published in Fl. Trop. Afr. 1: 105 (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.
  • Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.) (2000). Flora of Ethiopia and Eritrea 2(1): 1-532. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  • Exell, A.W. & Wild, H. (eds.) (1960). Flora Zambesiaca 1(1): 1-336. Royal Botanic Gardens, Kew.
  • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
  • Grey-Wilson, C. (1986). Flora of Tropical East Africa, Violaceae: 1-38.
  • Hutchinson, J., Dalziel, J.M. & Keay, R.W.J. (1954-1958). Flora of West Tropical Africa, ed. 2, 1: 1-828.
  • Lewalle, J. (1970). Liste floristique et répartition altitudinale de la flore du Burundi occidental: 1-84. Université officielle de Bujumbura.
  • Troupin, G. (ed.) (1983). Flora du Rwanda 2: 1-603. Musee Royal de l'Afrique Centrale.

Literature

Flora of West Tropical Africa

  • F.T.A. 1: 105 (1868)
  • R. E. Fries in Act. Hort. Berg. 8: 3 (1925).

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.
  • Exell, A.W. & Wild, H. (eds.) (1960). Flora Zambesiaca 1(1): 1-336. Royal Botanic Gardens, Kew.
  • Grey-Wilson, C. (1986). Flora of Tropical East Africa, Violaceae: 1-38.
  • Hutchinson, J., Dalziel, J.M. & Keay, R.W.J. (1954-1958). Flora of West Tropical Africa, ed. 2, 1: 1-828.
  • Lewalle, J. (1970). Liste floristique et répartition altitudinale de la flore du Burundi occidental: 1-84. Université officielle de Bujumbura.
  • Troupin, G. (ed.) (1983). Flora du Rwanda 2: 1-603. Musee Royal de l'Afrique Centrale.

Flora of Tropical East Africa

  • A.D.Q. Agnew, Upland Kenya Wild Flowers p. 100, fig. (p. 98) (1974).
  • A.J. Jex-Blake, Some Wild Flowers of Kenya p. 10, fig. 10 (1948).
  • Cribb, Mountain Fl. S. Tanz.: 59, t. 10A (1982).
  • Engl., Hochgebirgsfl. Trop. Afr.: 308 (1892).
  • Keay in Flora of West Tropical Africa, ed. 2, 1: 107 (1954).
  • N. Robson in Flora Zambesiaca 1: 258, t. 41 (1960).
  • Oliv., Flora of Tropical Africa 1: 105 (1868).
  • Robyns, Flore des Spermatophytes du Parc National Albert 1: 631 (1948).
  • Taton in Flore du Congo Belge, du Ruanda et du Burundi, Violaceae: 69 (1969).
  • Troupin, Fl. Rwanda 2: 434, fig. 137/1 (1983).
  • W. Becker in A. Engler & K. Prantl, Die Natürlichen Pflanzenfamilien, ed. 2, 21: 364, t. 159, fig. 34 (1925).

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

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
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 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