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This species is accepted, and its native range is Eritrea to KwaZulu-Natal, Madagascar, Tropical & Subtropical Asia.

[FZ]

Polygonaceae, I. Nogueira, S. Ortiz & J.A.R. Paiva. Flora Zambesiaca 9:3. 2006

Habit
A slender spreading or procumbent annual herb, rooting at the lower nodes.
Stem
Stem pale green, greenish-brown or red to bright red, ascending up to 50 cm, glabrous or with scattered gland-tipped hairs, these more numerous below the ocrea.
Leaves
Leaf lamina with the upper part 0.5–6 × 0.5–3 cm, ovate to ovate-deltate, acute at the apex, tapering or abruptly contracted and decurrent below for up to 1.5 cm forming a false petiole with auricles at the base, glabrous or with scattered hairs, gland-dotted beneath.
Ocrea
Ocrea brown, membranous, 6–8 mm long, entire at the apex.
Flowers
Flowers in small, pedunculate heads 6–9 mm in diameter; heads solitary or paired, c. 12-flowered, subtended by a sessile involucral leaf; peduncles up to 5 cm long, with deflexing glandular hairs below the inflorescence; bracts hyaline, 3.5–5 × 1.5–2.5 mm, broadly lanceolate to ovate.
Perianth
Perianth whitish, creamy-white or bluish-pink, c. 3 mm long, with 4 elliptic lobes as long as the tube.
Stamens
Stamens included in the perianth; filaments 0.1–1.2 mm long, filiform; anthers bluish-black, 0.2–0.3 mm in diameter.
Style
Styles 3, c. 1 mm long, united to about the middle.
Fruits
Nut dark brown, 2 × 2 mm, lenticular, rarely trigonous, minutely areolate.

[CPLC]

Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

Distribution
Adventicia en Colombia; Alt. 1500 - 2400 m.; Andes.
Habit
Hierba
Conservation
No Evaluada

[FTEA]

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

Habit
A rather slender, branched, somewhat straggling annual.
Stem
Stems basally decumbent and rooting at the nodes, pale green to greenish brown, glabrous or with scattered gland-tipped hairs usually more numerous below the ocreae.
Ocrea
Ocreae glabrous, brown, membranous, without a terminal fringe of setae, 6–8 (–10) mm. long.
Leaves
Leaves petiolate, ovate or ovate-deltoid, up to 5 × 3 cm., evenly but often abruptly narrowed to an acute apex, basally truncate or abruptly narrowed to the petiole and with basal auricles.
Petiole
Petioles winged, up to 1.5 cm. long and to 3.5 mm. wide.
Inflorescences
Inflorescence capitate, the capitula 6–9 mm. broad and terminating the branches singly or in pairs, each capitulum subtended by an involucral, sessile leaf.
Peduncles
Peduncles with deflexing gland-tipped hairs below the capitula, otherwise glabrous or largely so.
Bracts
Bracts glabrous, ovate-lanceolate, narrowed to an acute apex, 5 mm. long, with a broad, hyaline margin.
Flowers
Flowers bluish-white or white, about 12 in each capitulum.
Perianth
Perianth ± 3 mm. long, urceolate, with 4 tepals free above the middle, the outer pair folded and the inner pair flat.
Stamens
Stamens included; the anthers bluish-black, ± rounded; filaments white, filiform.
Style
Styles 3, connate nearly to the apex.
Fruits
Nut dark-brown, lenticular, minutely areolate, 2 × 2 mm.
Figures
Fig. 3/2, p. 15.
Habitat
By streams and rivers, in marshes, grasslands and at forest edges, also as a weed of cultivation; 1140–2700 m.
Distribution
throughout tropical Africa and tropical Asia, Madagascar, South Africa (? introduced) K3 K4 K5 T2 T6 T7 T8 U2 U4

[FWTA]

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

Habit
Annual
Ecology
By streams in forest
Flowers
Flowers white.

Native to:

Afghanistan, Assam, Burundi, Cameroon, China North-Central, China South-Central, China Southeast, East Himalaya, Eritrea, Ethiopia, Gulf of Guinea Is., Hainan, India, Inner Mongolia, Jawa, Kenya, Khabarovsk, Korea, Kuril Is., KwaZulu-Natal, Laos, Madagascar, Malawi, Malaya, Manchuria, Myanmar, Nepal, New Guinea, Northern Provinces, Pakistan, Philippines, Primorye, Qinghai, Rwanda, Sakhalin, Sri Lanka, Sudan, Tadzhikistan, Taiwan, Tanzania, Thailand, Tibet, Uganda, Vietnam, West Himalaya, Yemen, Zambia, Zaïre

Introduced into:

Belgium, British Columbia, Colombia, Connecticut, Ecuador, Florida, Germany, Great Britain, Italy, Massachusetts, New York, Pennsylvania, Poland, Turkey, Venezuela

Persicaria nepalensis (Meisn.) H.Gross appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Strachey, R. [Cat. no. s.n.], India Polygonum perforatum K001132892
Wallich, N. [Cat. no. 1700], Nepal Polygonum perforatum K001113903
Wallich, N. [Cat. no. 1700], Nepal Polygonum perforatum K001113904
Nov 1, 2008 Cheek, M. [13532], Cameroon Polygonum nepalense K000580335
Nov 1, 2003 Cheek, M. [9451], Cameroon Polygonum nepalense K000198107
Nov 1, 2003 Cheek, M. [8890], Cameroon Polygonum nepalense K000198108
Nov 1, 2003 Etuge, M. [1641], Cameroon Polygonum nepalense K000198106
Nov 1, 2003 Ghogue, J.-P. [70], Cameroon Polygonum nepalense K000198109
Feb 1, 2000 Etuge, M. [4603], Cameroon Polygonum nepalense K000746944
Jun 1, 1999 Buzgo, M. [596], Cameroon Polygonum nepalense K000746945
Jun 1, 1999 Kamundi, D. [690], Cameroon Polygonum nepalense K000746948
May 1, 1999 Cheek, M. [8687], Cameroon Polygonum nepalense K000746949
May 1, 1999 Cheek, M. [8461], Cameroon Polygonum nepalense K000746968
May 1, 1999 Zapfack, L. [871], Cameroon Polygonum nepalense K000746946
May 1, 1999 Kamundi, D. [723], Cameroon Polygonum nepalense K000746947
Gerard, P. [Cat. no. 1701], India Polygonum nepalense K001113906
Wallich, N. [Cat. no. 1701], Nepal Polygonum nepalense K001113905
Gomez, W. [Cat. no. 1701], India Polygonum nepalense K001113907
Gomez, W. [Cat. no. 1701], India Polygonum nepalense K001113908

First published in Bot. Jahrb. Syst. 49: 277 (1913)

Accepted by

  • Park, C.W. (ed.) (2018). Flora of Korea 3: 1-131. National Institute of Biological Resources.
  • Balkrishna, A. (2018). Flora of Morni Hills (Research & Possibilities): 1-581. Divya Yoga Mandir Trust.
  • 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.
  • Kowalczyk, T., Pliszko, A. & Drobniak, S.M. (2014). Persicaria nepalensis (Polygonaceae), a new potential invasive anthropophyte in the Polish flora Polish Botanical Journal 59: 255-261.
  • Chang, C.S., Kim, H. & Chang, K.S. (2014). Provisional checklist of vascular plants for the Korea peninsula flora (KPF): 1-660. DESIGNPOST.
  • Akeroyd, J.R. (2013). Docks and Knotweeds of Britain and Ireland: 1-258. Botanical Society of Britain and Ireland.
  • Kumar, S. (2012). Herbaceous flora of Jaunsar-Bawar (Uttarkhand), India: enumerations Phytotaxonomy 12: 33-56.
  • Pope, G.V., Polhill, R.M. & Martins, E.S. (eds.) (2006). Flora Zambesiaca 9(3): 1-277. Royal Botanic Gardens, Kew.
  • Flora of North America Editorial Committee (2005). Flora of North America North of Mexico 5: 1-656. Oxford University Press, New York, Oxford.
  • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
  • Qaiser, M. (2001). Flora of Pakistan 205: 1-190. Department of Botany, University of Karachi, Karachi.
  • 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.
  • Wood, J.R.I. (1997). A handbook of the Yemen Flora: 1-434. Royal Botanic Gardens, Kew.
  • Turner, I.M. (1995 publ. 1997). A catalogue of the Vascular Plants of Malaya Gardens' Bulletin Singapore 47(2): 347-655.
  • Grierson, A.J.C. & Long, D.G. (1983). Flora of Bhutan 1(1): 1-186. Royal Botanic Gardens, Edinburgh.

Literature

Kew Backbone Distributions

  • Chayamarit, K. & Balslev, H. (2018). Flora of Thailand 14(1): 1-184. The Forest Herbarium, Royal Forest Department.
  • Balkrishna, A. (2018). Flora of Morni Hills (Research & Possibilities): 1-581. Divya Yoga Mandir Trust.
  • 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.
  • Kowalczyk, T., Pliszko, A. & Drobniak, S.M. (2014). Persicaria nepalensis (Polygonaceae), a new potential invasive anthropophyte in the Polish flora Polish Botanical Journal 59: 255-261.
  • Akeroyd, J.R. (2013). Docks and Knotweeds of Britain and Ireland: 1-258. Botanical Society of Britain and Ireland.
  • Choudhary, R.K., Srivastava, R.C., Das, A.K. & Lee, J. (2012). Floristic diversity assessment and vegetation analysis of Upper Siang district of eastern Himalaya in North East India Korean Journal of Plant Taxonomy 42: 222-246.
  • Kumar, S. (2012). Herbaceous flora of Jaunsar-Bawar (Uttarkhand), India: enumerations Phytotaxonomy 12: 33-56.
  • Idárraga-Piedrahita, A., Ortiz, R.D.C., Callejas Posada, R. & Merello, M. (eds.) (2011). Flora de Antioquia: Catálogo de las Plantas Vasculares 2: 1-939. Universidad de Antioquia, Medellín.
  • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
  • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
  • Flora of North America Editorial Committee (2005). Flora of North America North of Mexico 5: 1-656. Oxford University Press, New York, Oxford.
  • Kress, W.J., DeFilipps, R.A., Farr, E. & Kyi, D.Y.Y. (2003). A Checklist of the Trees, Shrubs, Herbs and Climbers of Myanmar Contributions from the United States National Herbarium 45: 1-590. Smithsonian Institution.
  • Wu, Z. & Raven, P.H. (eds.) (2003). Flora of China 5: 1-505. Science Press (Beijing) & Missouri Botanical Garden Press (St. Louis).
  • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
  • Lê, T.C. (2003). Danh l?c các loài th?c v?t Vi?t Nam 2: 1-1203. Hà N?i : Nhà xu?t b?n Nông nghi?p.
  • 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.
  • Wood, J.R.I. (1997). A handbook of the Yemen Flora: 1-434. Royal Botanic Gardens, Kew.
  • Tutin, T.G. & al. (eds.) (1993). Flora Europaea ed. 2, 1: 1-581. Cambridge University Press.
  • Kharkevich, S.S. (ed.) (1989). Plantae Vasculares Orientalis Extremi Sovietici 4: 1-380. Nauka, Leningrad.
  • Troupin, G. (ed.) (1978). Flora du Rwanda 1: 1-413. Musee Royal de l'Afrique Centrale.
  • Lewalle, J. (1970). Liste floristique et répartition altitudinale de la flore du Burundi occidental: 1-84. Université officielle de Bujumbura.
  • Ovczinnikov, P.N. (ed.) (1968). Flora Tadzhikskoi SSR 3: 1-710. Izd-vo Akademii nauk SSSR, Moskva.
  • 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.

Catálogo de Plantas y Líquenes de Colombia
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Flora Zambesiaca
Flora Zambesiaca
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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

Kew Science Photographs
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