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This species is accepted, and its native range is Nigeria to Eritrea and S. Tropical Africa, Madagascar.

[FTEA]

Polygonaceae, R. A. Graham. Flora of Tropical East Africa. 1958

Habit
A large, very stout, perennial herb, up to 4 m. tall.
Stem
Stems glabrous, green or reddish-green, up to 3 cm. wide at the base.
Leaves
Leaves petiolate, large, up to ± 30 × 20 cm., lush, glabrous or papillose, usually triangular-hastate but varying to sagittate, scutate, sublinear, or more rarely ovate; the lobes spreading, more rarely directed forward; apically acute to very obtuse; with a variably deep and wide basal sinus; primary nerves palmately arranged.
Petiole
Petioles long, up to 14 cm., those of the lower leaves often exceeding the lamina.
Inflorescences
Inflorescence a large, much branched, leafless panicle, oblong or pyramidal in outline, up to 40 cm. long, 25 cm. or more broad.
Flowers
Flowers borne in fascicles, on filiform pedicels up to 5 mm. long.
Tepal
Outer tepals ± ovate, 1.5 mm. long, membranous and brown, later reflexing. Inner tepals wing-like, accrescent, elongate-rounded, ± pellucid, reticulately veined, green becoming reddish-brown or brown, 5.5 × 4.5 mm. (7 × 7 mm., fide Rech. f.), with a basal sinus up to 1 mm. deep, and bearing a small reflexed protuberance at the base.
Fruits
Nut acutely trigonous, 2.25–3 × 2 mm., shining, light brown or dark with lighter angles.
Figures
Fig. 2/3–6, p. 6.
Habitat
Upland grassland, margins of upland rain-forest & upland secondary bushland; 750–3300 m.
Distribution
K3 K4 K6 T1 T2 T3 T4 T6 T7 T8 U1 U2 U4 widely spread in the highlands of tropical Africa,

[FWTA]

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

Habit
Herb with stout perennial rootstock, 1 in. diam.; stems annual, up to several feet high.

[FZ]

Flora Zambesiaca. Vol. 9, Part 3. Polygonaceae-Myriaceae. Pope GV, Polhill RM, Martins ES. 2006.

Type
Type a cultivated plant from Ethiopia.
Leaves
Leaf lamina 6–18(34) × 5–16(29) cm, usually triangular-hastate, sometimes sagittate, scutate, sublinear or more rarely ovate; acute or subacute at the apex, hastate, subcordate or subobtuse at the base, with a variably deep and wide basal sinus, glabrous or undersurface ± pubescent; primary nerves 5–7, palmately arranged; petiole up to 14 cm long, those of the lower leaves often exceeding the lamina Leaf lamina 6–18(34) × 5–16(29) cm, usually triangular-hastate, sometimes sagittate, scutate, sublinear or more rarely ovate; acute or subacute at the apex, hastate, subcordate or subobtuse at the base, with a variably deep and wide basal sinus, glabrous or undersurface ± pubescent; primary nerves 5–7, palmately arranged; petiole up to 14 cm long, those of the lower leaves often exceeding the lamina.
Ocrea
Ocrea membranous, 2–3.5 cm long, striate Ocrea membranous, 2–3.5 cm long, striate.
Flowers
Flowers hermaphrodite or polygamous, pedicellate, borne in fascicles in leafless terminal panicles; panicles ± branched, up to 30–50 × 25–35 cm, cylindrical or pyramidal in outline Flowers hermaphrodite or polygamous, pedicellate, borne in fascicles in leafless terminal panicles; panicles ± branched, up to 30–50 × 25–35 cm, cylindrical or pyramidal in outline.
Perianth
Outer perianth segments brown, 1.5 mm long, ovate-lanceolate, membranous, later reflexing; inner perianth segments green becoming reddish-brown, accrescent, 5.5–7 × 4.5–6 mm, suborbicular, cordate-emarginate at the base, rounded at the apex, entire, membranous, pellucid, strongly reticulate-veined, with a minute reflexed dorsal tubercle near the base Outer perianth segments brown, 1.5 mm long, ovate-lanceolate, membranous, later reflexing; inner perianth segments green becoming reddish-brown, accrescent, 5.5–7 × 4.5–6 mm, suborbicular, cordate-emarginate at the base, rounded at the apex, entire, membranous, pellucid, strongly reticulate-veined, with a minute reflexed dorsal tubercle near the base.
Stamens
Stamens 6; filaments 1.5 mm long, filiform; anthers 1 × 0.3 mm, oblong Stamens 6; filaments 1.5 mm long, filiform; anthers 1 × 0.3 mm, oblong.
Ovary
Ovary 1.5 × 1 mm, trigonous; style very short
Fruits
Nut pale or dark brown, smooth and shiny, 2.5–3 × 1.8–2 mm, sharply trigonous. Nut pale or dark brown, smooth and shiny, 2.5–3 × 1.8–2 mm, sharply trigonous.
Ecology
Common in moist shady situations, disturbed ground, grasslands, roadsides and dambos; 800–2250 m.
Distribution
North to Eritrea and west to Nigeria, also in Madagascar. MOZ N Mozambique Malawi ZAM N, ZAM W, ZAM C, ZAM E, MAL N, MAL C, MAL S Zambia
Habit
A large very stout perennial herb with napiform roots. A large very stout perennial herb with napiform roots
Stem
Stems green or reddish-green, erect, up to 4 m tall, glabrous, hollow, striate. Stems green or reddish-green, erect, up to 4 m tall, glabrous, hollow, striate
Pistil
Ovary 1.5 × 1 mm, trigonous; style very short.

Native to:

Burundi, Cameroon, Eritrea, Ethiopia, Gabon, Gulf of Guinea Is., Kenya, Madagascar, Malawi, Mozambique, Nigeria, Rwanda, Sudan, Tanzania, Uganda, Zambia, Zaïre

Introduced into:

Angola, Central African Repu, Réunion

Rumex abyssinicus Jacq. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Nov 1, 2003 Cheek, M. [9459], Cameroon K000198105
Nov 1, 2003 Pollard, B.J. [647], Cameroon K000198129
Nov 1, 2003 Pollard, B.J. [462], Cameroon K000198131
Nov 1, 2003 Pollard, B.J. [462], Cameroon K000198132
Nov 1, 2003 Ghogue, J.-P. [59], Cameroon K000198123
Nov 1, 2003 Biye, E. [102], Cameroon K000198130
May 1, 1999 Cheek, M. [8443], Cameroon K000746940
May 1, 1999 Buzgo, M. [650], Cameroon K000746941
21946.000
Bullock, A.A. [3934], Tanzania 18118.000
Mann, G. [1217], Cameroon K000244103 isotype
Mann, G. [1217], Cameroon K000244104 isotype
Mann, G. [1978], Cameroon K000244105
Schimper [514], Ethiopia K000244106 isotype
Harris, T. [445], Mozambique K000613881
Tiyoy, L.M. [1389], Uganda K000449607

First published in Hort. Bot. Vindob. 3: 48 (1777)

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.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Pope, G.V., Polhill, R.M. & Martins, E.S. (eds.) (2006). Flora Zambesiaca 9(3): 1-277. Royal Botanic Gardens, Kew.
  • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
  • 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.
  • Bosser, J. & al. (eds.) (1994). Flore des Mascareignes 136-148: 1. IRD Éditions, MSIRI, RBG-Kew, Paris.
  • Troupin, G. (ed.) (1978). Flora du Rwanda 1: 1-413. Musee Royal de l'Afrique Centrale.
  • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 2(1): 1-85. ORSTROM, Bangui.
  • Exell, A.W. (1973). Angiosperms of the islands of the gulf of Guinea (Fernando Po, Príncipe, S.Tomé, and Annobon) Bulletin of the British Museum (Natural History). Botany 4: 325-411.
  • Lewalle, J. (1970). Liste floristique et répartition altitudinale de la flore du Burundi occidental: 1-84. Université officielle de Bujumbura.
  • Graham, R.A. (1958). Flora of Tropical East Africa, Polygonaceae: 1-40.
  • 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

Flora of West Tropical Africa

  • —F.T.A. 6, 1: 114.

Flora Zambesiaca

  • Fl. Gabon 7: 8 (1963).
  • F.T.E.A., Polygonaceae: 7, fig. 2/3–6 (1958).
  • Bot. Not. Suppl., vol. 3, 3: 29 (1954).
  • F.W.T.A., ed. 2, 1: 139 (1954).
  • Mem. New York Bot. Gard. 9: 57 (1954).
  • Fl. Madagascar, fam. 65, Polygonacées: 4 (1953).
  • F.C.B. 1: 398 (1948).
  • De Wildeman & Staner, Contrib. Fl. Katanga., Suppl. 5: 19 (1933).
  • Repert. Spec. Nov. Regni Veg. Beih. 40 [Fl. Deutsch-Ostafrika], part 2: 197 (1932).
  • De Wildeman, Pl. Bequaert. 1: 201 (1922); 5: 271 (1931).
  • R.E. Fries, Wiss. Ergebn. Schwed. Rhod.-Kongo-Exped.: 28 (1914).
  • Ann. Mus. Congo, Sér. V, Bot. [Études Fl. Bas-Moyen-Congo] 3: 185 (1910).
  • F.T.A. 6, 1: 114 (1909).
  • Ann. Mus. Congo, Sér. V, Bot. [Études Fl. Bas-Moyen-Congo] 2: 242 (1908).
  • Hiern, Cat. Afr. Pl. Welw. 1, 4: 905 (1900).
  • von Götzen, Durch Afrika von O. nach W.: 376 (1895).
  • Hort. Bot. Vindob. 3: 48, t. 93 (1776).

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.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Pope, G.V., Polhill, R.M. & Martins, E.S. (eds.) (2006). Flora Zambesiaca 9(3): 1-277. Royal Botanic Gardens, Kew.
  • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
  • 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.
  • Bosser, J. & al. (eds.) (1994). Flore des Mascareignes 136-148: 1. IRD Éditions, MSIRI, RBG-Kew, Paris.
  • Troupin, G. (ed.) (1978). Flora du Rwanda 1: 1-413. Musee Royal de l'Afrique Centrale.
  • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 2(1): 1-85. ORSTROM, Bangui.
  • Exell, A.W. (1973). Angiosperms of the islands of the gulf of Guinea (Fernando Po, Príncipe, S.Tomé, and Annobon) Bulletin of the British Museum (Natural History). Botany 4: 325-411.
  • Lewalle, J. (1970). Liste floristique et répartition altitudinale de la flore du Burundi occidental: 1-84. Université officielle de Bujumbura.
  • Graham, R.A. (1958). Flora of Tropical East Africa, Polygonaceae: 1-40.
  • 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.

Flora of Tropical East Africa

  • Keay in Flora of West Tropical Africa, ed. 2, 1: 139 (1954).
  • Rech. f. in Bot. Not., Suppl. 3 (3): 29 (1954).
  • Robyns, Flore des Spermatophytes du Parc National Albert 1: 112 (1948).
  • Robyns, Flore du Congo Belge et du Ruanda-Urundi, 1: 398 (1948).
  • Baker & C.H. Wright in Flora of Tropical Africa 6 (1): 114(1909).
  • Jacq., Hort. Vindob. 3: 48, tab. 93 (1776).

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
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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