Persicaria chinensis (L.) Nakai

Accepted

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🗒 Synonyms

synonym	Ampelygonum chinense (L.) Lindley
synonym	Cephalophilon chinense (L.) A. E. Borodina-Grabovskaya
synonym	Coccoloba crispata Buch.-Ham.
synonym	Coccoloba cymosa Lour.
synonym	Coccoloba indica Wight ex Meisn.
synonym	Persicaria auriculata (Meisn.) S.K. Dixit, B. Datt & G.P. Roy
synonym	Persicaria chinensis ovalifolia (Meisn.) H. Hara
synonym	Persicaria umbellata (Houtt.) Nakai
synonym	Polygonum adenopodum Samuelsson
synonym	Polygonum adenotrichum Griff.
synonym	Polygonum auriculatum Meisn.
synonym	Polygonum brachiatum Poir.
synonym	Polygonum chinense L.
synonym	Polygonum chinense var. brachiatum Meisn.
synonym	Polygonum chinensis var. siamensis H. Léveillé
synonym	Polygonum corymbosum Willd.
synonym	Polygonum cymosum Roxb.
synonym	Polygonum densiflorum Bl.
synonym	Polygonum ovatum Heyne
synonym	Polygonum panduriforme Buch.-Ham. ex Endl.
synonym	Polygonum patens D. Don
synonym	Polygonum polycephalum Wall.
synonym	Polygonum sinense J. F. Gmel.
synonym	Polygonum umbellatum (Houtt.) Koidz.
synonym	Polygonum zonulatum Noronha
synonym	Rumex umbellatus Houtt.

🗒 Common Names

English	Chinese Knotweed
Malayalam	Mudanthi Mukkala Oduthan Poovallikodi Thiruthanni Thondi
Other	Chinese Knotweed Jungal palak(Hindi) Kelnap (Ass) Thiruthanni Wnkham khalai (Bodo).

📚 Overview

Overview

Summary

Brief

Flowering class: Dicot Habit: Shrub

Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi

Attributions	Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
Contributors	D. Narasimhan
Status	UNDER_CREATION
Licenses	CC_BY
References

Diagnostic

Diagnostic Keys

Shrub, perennial, erect, ca. 1-2m

Sanjib Barua

Attributions	Sanjib Barua
Contributors	Sanjib Baruah
Status	UNDER_CREATION
Licenses	CC_BY
References

Description

Scandent subshrubs, branches zig-zag. Leaves to 10 x 5 cm, broadly ovate or elliptic, shortly acuminate at apex, truncate at base, margins minutely crenulate; petiole to 1 cm, auricled at base; ochrea 2.5 cm long, membranous, truncate. Heads glandular pubescent; peduncles to 5 cm; bracts 3 mm, ovate, acute; perianth lobes 4 mm; stamens included; ovary 3-gonous, styles 3. Nutlets 4 mm, trigonous.

Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi

Attributions	Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
Contributors	D. Narasimhan
Status	UNDER_CREATION
Licenses	CC_BY
References

Habit: Undershrub

G. Renu, Sanjana Julias Thilakar, D. Narasimhan, Centre for Floristic Research, Department of Botany, Madras Christian College, Tambaram

Attributions	G. Renu, Sanjana Julias Thilakar, D. Narasimhan, Centre for Floristic Research, Department of Botany, Madras Christian College, Tambaram
Contributors	Sanjana Julias Thilakar G Renu D. Narasimhan
Status	UNDER_CREATION
Licenses	CC_BY
References

SubSpecies Varieties Races

Diagnostic Keys

Description

No Data

📚 Nomenclature and Classification

Nomenclature and Classification

Taxon Record Name

References

Type Information

No Data

📚 Natural History

Natural History

Life Cycle

Cyclicity

Flowering and fruiting: Throughout the year.

Sanjib Barua

Attributions	Sanjib Barua
Contributors	Sanjib Baruah
Status	UNDER_CREATION
Licenses	CC_BY
References

Flowering and fruiting: Throughout the year

Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi

Attributions	Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
Contributors	D. Narasimhan
Status	UNDER_CREATION
Licenses	CC_BY
References

Reproduction

seeds

Sanjib Barua

Attributions	Sanjib Barua
Contributors	Sanjib Baruah
Status	UNDER_CREATION
Licenses	CC_BY
References

Migration

Dispersal

Life Expectancy

Perennial

Sanjib Barua

Attributions	Sanjib Barua
Contributors	Sanjib Baruah
Status	UNDER_CREATION
Licenses	CC_BY
References

Size

Growth

perennial

Sanjib Barua

Attributions	Sanjib Barua
Contributors	Sanjib Baruah
Status	UNDER_CREATION
Licenses	CC_BY
References

Morphology

Shrub, perennial, erect, ca. 1-2m; stem cylindrical with swollen nodes, glabrous, zig-zag manner; leaves simple, alternate, petiolate, ovate, sparsely pubescent, apex acuminate, base truncate, margin entire, ca. 5-8×4-2.7 cm; ochrea tubular, glabrous, membranous, upper portion white and lower portion brown, lightly nerved, long and pointed apical portion, ca. 1.8cm; inflorescence corymbose, peduncle hispidulous or glandular; flower pentamerous, white, ca. 0.4cm; tepals 5, connate at base, lanceolate, acute, entire; stamens 8, included, filament long, equal, anther brownish in colour; styles 3, connate below, capitate, hypogynous, glabrous, ca. 0.3cm; nutes trigonous, ca. 0.3-0.5cm

Sanjib Barua

Attributions	Sanjib Barua
Contributors	Sanjib Baruah
Status	UNDER_CREATION
Licenses	CC_BY
References

Look Alikes

Physiology

Ecology

Moist and waste lands

Sanjib Barua

Attributions	Sanjib Barua
Contributors	Sanjib Baruah
Status	UNDER_CREATION
Licenses	CC_BY
References

Miscellaneous Details

Notes: Western Ghats & Eastern Ghats, Moist Deciduous to Evergreen Forests

G. Renu, Sanjana Julias Thilakar, D. Narasimhan, Centre for Floristic Research, Department of Botany, Madras Christian College, Tambaram

Attributions	G. Renu, Sanjana Julias Thilakar, D. Narasimhan, Centre for Floristic Research, Department of Botany, Madras Christian College, Tambaram
Contributors	Sanjana Julias Thilakar G Renu D. Narasimhan
Status	UNDER_CREATION
Licenses	CC_BY
References

No Data

📚 Habitat and Distribution

Habitat and Distribution

General Habitat

Evergreen, semi-evergreen and moist deciduous forests

Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi

Attributions	Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
Contributors	D. Narasimhan
Status	UNDER_CREATION
Licenses	CC_BY
References

Distribution

Description

Global Distribution

India, Bhutan, Myanmar, China, Japan, Philippines, Sri Lanka, introduced in Pakistan.

Sanjib Barua

Attributions	Sanjib Barua
Contributors	Sanjib Baruah
Status	UNDER_CREATION
Licenses	CC_BY
References

Global Distribution

Indo-Malesia and China

Indian distribution

State - Kerala, District/s: Palakkad, Kottayam, Idukki, Kasaragode, Kollam, Pathanamthitta, Malappuram, Kannur, Thiruvananthapuram, Thrissur, Wayanad

Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi

Attributions	Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
Contributors	D. Narasimhan
Status	UNDER_CREATION
Licenses	CC_BY
References

Karnataka: Chikmagalur, Coorg, Dharwar, Hassan, Mysore, N. Kanara, Shimoga, S. Kanara Kerala: Idukki, Kannur, Kasaragod, Kollam, Kottayam, Malapuram, Palakkad, Pathanamthitta, Thiruvananthapuram, Thrissur Tamil Nadu: Coimbatore, Dindigul, Kanniyakumari, Namakkal, Nilgiri, Salem, Theni, Tirunelveli

G. Renu, Sanjana Julias Thilakar, D. Narasimhan, Centre for Floristic Research, Department of Botany, Madras Christian College, Tambaram

Attributions	G. Renu, Sanjana Julias Thilakar, D. Narasimhan, Centre for Floristic Research, Department of Botany, Madras Christian College, Tambaram
Contributors	G Renu Sanjana Julias Thilakar D. Narasimhan
Status	UNDER_CREATION
Licenses	CC_BY
References

Endemic Distribution

No Data

📚 Occurrence

Occurrence

No Data

📚 Demography and Conservation

Demography and Conservation

Population Biology

Trends

Risk Statement

Not at risk

Sanjib Barua

Attributions	Sanjib Barua
Contributors	Sanjib Baruah
Status	UNDER_CREATION
Licenses	CC_BY
References

Conservation Status

Threats

No threats record yet

Sanjib Barua

Attributions	Sanjib Barua
Contributors	Sanjib Baruah
Status	UNDER_CREATION
Licenses	CC_BY
References

Legislation

Protection Legal Status

Moist places and Waste lands

Sanjib Barua

Attributions	Sanjib Barua
Contributors	Sanjib Baruah
Status	UNDER_CREATION
Licenses	CC_BY
References

No Data

📚 Uses and Management

Uses and Management

Uses

Nut is edible

Sanjib Barua

Attributions	Sanjib Barua
Contributors	Sanjib Baruah
Status	UNDER_CREATION
Licenses	CC_BY
References

Folklore

Management

No Data

📚 Information Listing

Information Listing

Species Resources

Integrated Taxonomic Information System (ITIS)

The IUCN Red List of Threatened Species (IUCN)

Encyclopedia of Life (EOL)

Global Biodiversity Information Facility (GBIF)

National Center for Biotechnology Information (NCBI)

References

Persicaria chinensis (L.) Gross. in Engl., Bot. Jahrb. Syst. 49: 269,277,315. 1913; Manilal, Fl. Silent Valley 226. 1988; Sasidh., Fl. Parambikulam WLS 258. 2002; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 677. 2009.
Polygonum chinense L., Sp. Pl. 363. 1753; Hook. f., Fl. Brit. India 5: 44. 1886; Gamble, Fl. Pres. Madras 1190(833). 1925; Mohanan, Fl. Quilon Dist. 333. 1984; Ansari, Fl. Kasaragod Div. 315. 1985; Antony, Syst. Stud. Fl. Kottayam Dist. 337. 1989; Ramach. & V.J. Nair, Fl. Cannanore Dist. 381. 1988; Babu, Fl. Malappuram Dist. 680. 1990; Vajr., Fl. Palghat Dist. 390. 1990; M. Mohanan & Henry, Fl. Thiruvanthapuram 379. 1994; Subram., Fl. Thenmala Div. 298. 1995; Sasidh. et al., Bot. Stud. Med. Pl. Kerala 25,38. 1996; Sasidh. & Sivar., Fl. Pl. Thrissur For. 371. 1996; Sasidh., Fl. Shenduruny WLS 254. 1997; Swarup. et al., Shola For. Kerala 64. 1998; Sivar. & Mathew, Fl. Nilambur 564. 1997; Sasidh., Fl. Periyar Tiger Reserve 332. 1998; Sasidh., Fl. Chinnar WLS 263. 1999; Mohanan & Sivad., Fl. Agasthyamala 543. 2002; Anil Kumar et al., Fl. Pathanamthitta 410. 2005.

Flora of Tamil Nadu, VOL. II, 1987

Information Listing > References

Persicaria chinensis (L.) Gross. in Engl., Bot. Jahrb. Syst. 49: 269,277,315. 1913; Manilal, Fl. Silent Valley 226. 1988; Sasidh., Fl. Parambikulam WLS 258. 2002; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 677. 2009.
Polygonum chinense L., Sp. Pl. 363. 1753; Hook. f., Fl. Brit. India 5: 44. 1886; Gamble, Fl. Pres. Madras 1190(833). 1925; Mohanan, Fl. Quilon Dist. 333. 1984; Ansari, Fl. Kasaragod Div. 315. 1985; Antony, Syst. Stud. Fl. Kottayam Dist. 337. 1989; Ramach. & V.J. Nair, Fl. Cannanore Dist. 381. 1988; Babu, Fl. Malappuram Dist. 680. 1990; Vajr., Fl. Palghat Dist. 390. 1990; M. Mohanan & Henry, Fl. Thiruvanthapuram 379. 1994; Subram., Fl. Thenmala Div. 298. 1995; Sasidh. et al., Bot. Stud. Med. Pl. Kerala 25,38. 1996; Sasidh. & Sivar., Fl. Pl. Thrissur For. 371. 1996; Sasidh., Fl. Shenduruny WLS 254. 1997; Swarup. et al., Shola For. Kerala 64. 1998; Sivar. & Mathew, Fl. Nilambur 564. 1997; Sasidh., Fl. Periyar Tiger Reserve 332. 1998; Sasidh., Fl. Chinnar WLS 263. 1999; Mohanan & Sivad., Fl. Agasthyamala 543. 2002; Anil Kumar et al., Fl. Pathanamthitta 410. 2005.
Flora of Tamil Nadu, VOL. II, 1987